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Chevrolet 6500XD 2022, Owner'S Manual

The Chevrolet 6500XD 2022 is a robust and reliable truck designed to tackle any heavy-duty task. Ensure optimal performance and maintenance with the comprehensive Owner's Manual. Access this essential manual for free download at 88.208.23.73:8080, providing you with all the necessary information to maximize your truck's capabilities.

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Chevrolet Low Cab Forward 6.7L Diesel Engine 6500XD (GMNA-Localizing-

U.S.-15749874) - 2022 - CRC - 12/1/21

308

Index

Lights (cont'd)

Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
High-Beam On . . . . . . . . . . . . . . . . . . . . . . . . . . 58
High/Low Beam Changer . . . . . . . . . . . . . . . 68
Overdrive Off . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Parking Brake Not Set Warning . . . . . . . . . 57
Range Inhibit Warning . . . . . . . . . . . . . . . . . . 54
Seat Belt Reminders . . . . . . . . . . . . . . . . . . . . 50
Service Transmission Warning . . . . . . . . . . 53
Wait to Start . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Loading the Vehicle . . . . . . . . . . . . . . . . . . . . . . . 38
Locks

Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Power Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

M

Maintenance and Care

Additional . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281

Maintenance Schedule . . . . . . . . . . . . . . . . . . . 260

Recommended Fluids and

Lubricants . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283

Malfunction Indicator Lamp . . . . . . . . . . . . . . . . 51
Messages

Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Heated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Remote Control . . . . . . . . . . . . . . . . . . . . . . . . . 18

N

Noise Control System . . . . . . . . . . . . . . . . . . . . .215

O

Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Oil

Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Pressure Light . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Online Owner Center . . . . . . . . . . . . . . . . . . . . 298
Operating Temperature . . . . . . . . . . . . . . . . . . .134
Outlets

Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Overdrive Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Overdrive Off Light . . . . . . . . . . . . . . . . . . . . . . . 54
Overheating, Engine . . . . . . . . . . . . . . . . . . . . . 204
Overview

Instrument Panel . . . . . . . . . . . . . . . . . . . . . . 6

–

8

Owner Checks and Services . . . . . . . . . . . . . . 275

P

Parking

Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Over Things That Burn . . . . . . . . . . . . . . . . . 138

Parking Brake

Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Parking Brake Not Set Warning Light . . . . . .57
Passenger Compartment Air Filter . . . . . . . 104
Pedals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130

Perchlorate Materials Requirements,

California . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188

Phone

Bluetooth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

Port

USB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Power

Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Steering Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Power Take-Off (PTO) . . . . . . . . . . . . . . . . . . . . .185
Pregnancy, Using Seat Belts . . . . . . . . . . . . . . 29
Privacy

Vehicle Data Recording . . . . . . . . . . . . . . . . 303

Proposition 65 Warning,

California . . . . . . . . . . . . . . . . . . . . . . . . . .212, 246,

Back Cover

Publication Ordering Information . . . . . . . . 301

R

Radio Frequency Statement . . . . . . . . . . . . . . 302
Radio Reception . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Radios

AM-FM Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Range Inhibit Warning Light . . . . . . . . . . . . . . 54
Rear Axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .214
Recommended Fluids and Lubricants . . . . . 283

Summary of Contents for 6500XD 2022

Page 1: ...6 7L Diesel Engine 6500XD Low Cab Forward 6 7L Diesel Engine 6500XD Owner s Manual C M Y CM MY CY CMY K ai163758810411_22_CHEV_Low_Cab_Forward_Limited_6 7L_Diesel_Engine_6500_XD_COV_en_US_86775564A_2021DEC6 pdf 1 11 22 2021 8 35 05 AM ...

Page 2: ...on booklet We urge you to read these publications carefully The following recommendations will help ensure the most enjoyable safe and trouble free operation of your vehicle When it comes to service keep in mind that your commercial truck dealer knows your vehicle best and is interested in your complete satisfaction Your dealer invites you to return for all of your service needs both during and af...

Page 3: ...ng indicates a hazard that could result in injury or death Caution Caution indicates a hazard that could result in property or vehicle damage A circle with a slash through it is a safety symbol which means Do Not Do not do this or Do not let this happen Cautions and Other Labels in Your Vehicle The warning caution labels in your vehicle indicate very important instructions and information that you...

Page 4: ...tion 3 Warning Caution Labels No Description 1 Cab tilt instruction 2 Cab tilt handle location 3 Automatic transmission fluid level 4 VIN weight rating and Greenhouse Gas GHG emissions 5 Towing 6 NO STEP instruction 7 Vehicle noise emission control information 8 Engine cooling 9 Engine coolant 10 Fan blade ...

Page 5: ...Chevrolet Low Cab Forward 6 7L Diesel Engine 6500XD GMNA Localizing U S 15749874 2022 CRC 12 1 21 4 Introduction No Description 1 Fuse box 2 Parking brake 3 Exhaust heat warning ...

Page 6: ...Chevrolet Low Cab Forward 6 7L Diesel Engine 6500XD GMNA Localizing U S 15749874 2022 CRC 12 1 21 Introduction 5 No Description 1 Power steering fluid 2 Body 3 Engine start 4 A C refrigerant ...

Page 7: ...Chevrolet Low Cab Forward 6 7L Diesel Engine 6500XD GMNA Localizing U S 15749874 2022 CRC 12 1 21 6 Introduction Instrument Panel Overview ...

Page 8: ...nel Storage 0 36 6 Glove Box 0 36 7 Relay Box See Electrical System Overload 0 226 8 Cupholders 0 37 9 Hook See Shopping Bag Hooks 0 38 10 Card Holder See Instrument Panel Storage 0 36 11 Accessory Power Outlet See Power Outlets 0 45 12 Accessory Power Outlet See Power Outlets 0 45 Instrument Panel Overview Vehicle Interior 1 Overhead Tray See Storage Compartments 0 35 2 Sun Visor See Sun Visors 0...

Page 9: ...se Control Main Switch See Cruise Control 0 177 6 Air Suspension Dump Switch See Air Suspension 0 139 7 Hazard Warning Flasher Switch See Hazard Warning Flashers 0 68 8 Remote Mirror Control Switch See Remote Control Mirrors 0 18 9 Outside Rearview Mirror Heater Switch See Heated Mirrors 0 18 10 Odometer Check Switch See Odometer 0 48 11 Door Lock Switch See Power Door Locks 0 16 12 Instrument Pan...

Page 10: ...a spare 2 Record the key code numbers Both sides of the key are identical so you can insert the key in the engine control switch without worrying about which way you insert it The key code is indicated on a separate metal plate 3 in order to prevent it from being acquired by an unauthorized person Where is the Key Used Where For What Engine Control Switch Starting and shutting down the engine Fron...

Page 11: ...UN position The ignition key has a small hole to allow attachment of the provided key ring It is important that any replacement ignition keys have a small hole See your dealer if a replacement key is required The combination and size of the rings that came with your keys were specifically selected for your vehicle The rings are connected to the key like two links of a chain to reduce the risk of u...

Page 12: ...he remote control unit for 1 second or longer The vehicle s keyless entry system causes the right and left turn signal lights to simultaneously flash once upon receiving the signals from the remote control unit Should you lose the remote control unit please contact your dealer After locking the doors using the remote control unit be sure to check that they are locked by pulling the door handles Av...

Page 13: ...ess entry system does not operate in the following cases The engine control switch is in the ON position The key is inserted in the engine control switch One of the doors is open Replacing the Battery in the Remote Control Unit When the battery runs down replace it Battery life is approximately two years Battery Used Number of Battery Lithium battery 1 Model number CR 2032 Voltage DC3V 1 Battery C...

Page 14: ...ealed remote control unit could become deteriorated Please comply with the collection system available in your country for the disposal of old batteries In addition take special care to prevent any danger to children Warning When changing the battery use only a battery of the same type as the original battery or an equivalent Otherwise there is a risk of explosion Do not place the battery in direc...

Page 15: ...erefore always remove snow and ice from your shoes and the step and be careful not to slip when getting in and out of the vehicle Exercise caution when opening or closing doors as strong winds or steep slopes may cause doors to open or close suddenly Do not hold parts other than the grip when getting in or out of the vehicle Doing so may cause damage to the vehicle or injuries to yourself or other...

Page 16: ...ds or head trapped in the window While a child is in the cab be sure to control the power windows using the power window switches beside the driver s seat You and others could be seriously injured Overriding door locks are a standard safety feature When the doors are locked the inside handles will not open them This is to prevent accidental opening of the doors Front Doors Locking and Unlocking th...

Page 17: ...andle To close the door pull the pull handle Power Door Locks Power Door Lock Central Door Lock How the Power Door Lock System Operates When you lock the driver s door using the key or by operating the lock button the power door lock system will automatically lock all doors simultaneously Door Lock Switch 1 Upper Side 2 Unlock 3 Lock Both doors can be locked and unlocked by pressing the power door...

Page 18: ...from the traffic ahead Outside mirrors may make the vehicle behind you appear farther away than it really is Use these mirrors very carefully until you are able to correctly determine distances from the images Keep the mirrors in mind when passing another vehicle on a narrow road moving the vehicle into a garage or driving near pedestrians Do not drive with the mirrors folded You and others could ...

Page 19: ...or so that you see the cab within the upper one fourth of the mirror Remote Control Mirrors Caution Do not try to forcefully move the surface of the outside rearview mirror by hand if your vehicle is equipped with a remote mirror control switch Otherwise the mirror motor may sustain damage If equipped the remote mirror control switch is used to adjust the outside rearview mirrors remotely and is a...

Page 20: ...hether the vehicle is moving or stationary you must never allow a child to put his her head hands or other body part out of the window Allowing such behavior would be dangerous because the child could hit an obstacle You and others could be seriously injured The power windows operate only when the engine control switch is in the ON position Open each door window by pressing the power window switch...

Page 21: ... driver s door is being raised Window Switches on Passenger s Door The power window switch on the passenger s door can raise and lower the passenger s side window Warning Be sure to warn passengers not to let any part of the body become trapped or caught in a moving window You and others could be seriously injured The window continues to lower while the window switch is being pressed and continues...

Page 22: ...ng Adjusting the seat while the vehicle is in motion must be avoided not only because the unlocked seat will move back and forth unstably preventing you from taking the correct position but might also cause you to lose control of Continued Warning Continued the vehicle possibly resulting in an accident You and others could be seriously injured Warning Try to move the seat without unlatching it aft...

Page 23: ...eat You and others could be seriously injured Warning When adjusting the seat be careful that the seat does not hit passengers or objects Doing so could cause injury to passengers or damage objects You and others could be seriously injured Warning When adjusting the seat or when getting up from the seat do not put your hand or objects under the seat or near moving parts Doing so could cause injury...

Page 24: ... and straight up in the seat The lap belt is designed to spread the force of a collision over the hipbone If you are reclined the lap belt may slide past your hips and apply restraint forces directly to the abdomen Therefore in the event of a collision the risk of personal injury will increase with increasing recline of the seatback You and others could be seriously injured Warning Do not adjust t...

Page 25: ...ear cushion tilt lever Front Tilt Adjustment The height of the front of the cushion can be adjusted by raising the front cushion tilt lever Suspension Lock Air Suspension Seat Warning Operating the lever while seated may result in your fingers or hands becoming unexpectedly caught and injured Turn the lever up to lock the seat at the fixed height Operate the lever after getting down from the seat ...

Page 26: ...ter Seat You can tip the seatback forward if you pull forward the lever at the side of the seatback Normally you should keep the seatback in the raised position Seat Belts The protection provided by seat belts might be significantly reduced if they are not fastened properly in certain cases improperly fastened seat belts can even play a role in causing injury to the wearer Seat belts must be worn ...

Page 27: ...d increase the likelihood of injuries in a collision or sudden stop Do not use a seat belt for a small child if the belt is on or very close to the child s neck or chin Also do not use a seat belt if it does not fit snugly over the child s hips because restraining the child under those conditions could be dangerous in the event of a collision or sudden stop Instead use an appropriate child restrai...

Page 28: ...ing it may cause the retractor to jam so it will not rewind further If it is not fully rewound the belt cannot be pulled out Should the belt jam you may be able to release it by working the belt in and out until the belt rewinds far enough to unlock However if the belt remains jammed or other parts of the restraint system do not work properly have your dealer service it Wearing seat belts is a leg...

Page 29: ... and adjust it to a snug fit by pulling the shoulder portion upward through the latch plate The lap shoulder belt is designed to lock during a sudden stop or impact At other times it should move freely If you cannot pull out the seat belt let it go loose and then slowly pull it out again If you still cannot pull it out give the seat belt one strong pull let it go loose and then slowly pull it out ...

Page 30: ...he event of hard braking or a collision harming Continued Warning Continued not only the expectant mother but also the unborn child putting them both in danger of serious injuries or death An expectant mother or a person who is ill riding in the vehicle must also wear a seat belt In light of the risk that the seat belt will apply pressure to the abdomen chest and shoulders in the event of a collis...

Page 31: ...d be used When you go in to order it take the heaviest coat you will wear so the extender will be long enough for you To help avoid personal injury do not let someone else use it and use it only for the seat it is made to fit The extender has been designed for adults Never use it for securing child restraints For more information on the proper use and fit of seatbelt extenders see the instruction ...

Page 32: ...etracting problems and for this reason regular inspection and upkeep are required Cleaning a Seat Belt Fold Back Fitting Portion 1 Seat belt fold back fitting portion 2 Seat belt 3 Cloth Cleaning a Seat Belt Fold Back Fitting Portion 1 Fold a piece of cotton cloth absorbent gauze or the like of approximately 50 mm 2 in in width into a rectangle 2 Mix one part neutral detergent into approximately t...

Page 33: ...untings metal parts deformation webbing damage fraying or discoloration arrange for replacement to be carried out by your dealer Child Restraints Child Restraint Systems Warning Children small enough for child restraints as indicated on the label of such restraints including booster seats should Continued Warning Continued always be transported in them Children who have outgrown child restraint sy...

Page 34: ... child restraint manufacturer for help Secure the child in the restraint in accordance with the child restraint manufacturer s instructions Installation on Outboard Seat A seat belt locking clip is required for installation of a child restraint system on the outboard seat of this vehicle A locking clip may usually be obtained where child restraints are sold or by contacting your dealer for assista...

Page 35: ...king Clip When your child restraint is not installed remove the locking clip to permit normal use of the lap shoulder belt Keep the locking clip in the glove box to help prevent its loss Child Restraint with Top Tether Warning We do not recommend using a child restraint that requires the use of a top tether There is no appropriate place to attach a top tether anchor behind the seat in this vehicle...

Page 36: ...ing the Vehicle Information on Loading the Vehicle 38 Storage Compartments Overhead Compartment Warning Do not use the overhead compartment to hold an object weighing more than 2 kg 4 lb or an object that may fly out or fall down during vehicle operation Doing so would be dangerous Items may fly out or fall down when the cab is lowered after being tilted You and others could be seriously injured S...

Page 37: ...ocalizing U S 15749874 2022 CRC 12 1 21 36 Storage Instrument Panel Storage Small Article Storage Pockets Use the storage pockets for storing small articles Card Holder Use this to hold your cards Glove Box Press on the central mark to lock and unlock the lid ...

Page 38: ...lid may break if it is closed when items inside have passed the line and are sticking out from the box Do not place items such as vehicle registration documents or owner manuals in the glove box but store them in the seat back pocket located on the back side of the driver seat Refer to Storage Compartments 0 35 Cupholders Pull the cupholder towards you to open it Do not place a cup that is too ful...

Page 39: ...t rating GVWR or the maximum front and rear gross axle weight ratings GAWRs These ratings are listed on the VIN Weight Rating and Greenhouse Gas GHG Emissions Plate which is located on the left side rear pillar panel below the striker Gross vehicle weight GVW is the weight of the originally equipped vehicle and all items added to it after it has left the factory This would include bodies liftgates...

Page 40: ...arry rear GAWR The GVWR is the maximum permissible loaded weight of the vehicle and takes into account the capabilities of the engine transmission frame springs brakes axles and tires Actual loads at the front and the rear axles can only be determined by weighing the vehicle This can be done at highway weigh stations or other such places See your dealer for help The cargo load should be distribute...

Page 41: ...over the front and rear axles so as not to exceed the axle capacities It is extremely dangerous to overload the vehicle or to load the vehicle with the cargo positioned on one side Load the vehicle correctly observing the maximum loading capacity Continued Warning Continued Incorrect loading can make the cargo unstable It can also cause an overload condition confined to a small area resulting in d...

Page 42: ...r cargo position them uniformly along the cargo To the greatest extent possible do not allow long cargo to protrude beyond the rear edge of the cargo bed Rather use supports to raise it at an angle Avoid supporting it using just the front guard frame and the rear edge of the cargo bed Use ropes and tarpaulins to secure the cargo so it does not fall off the cargo bed Use rubber bands or bungee cord...

Page 43: ...en loading equipment a device for securing the cargo bed is required Use a car carrier or attach a rear support stand If you have any questions contact your dealer Make Sure There is No Flammable Material between the Cab and Cargo Bed Caution Be careful not to allow a sheet canvas top or the ends of ropes or rubber straps to touch or come close to the engine or exhaust pipe During vehicle operatio...

Page 44: ...Warning Light 54 Overdrive Off Light 54 Wait to Start Light 55 Diesel Particulate Filter Light 55 Engine Oil Pressure Light 56 Cab Tilt Warning Light 56 Parking Brake Not Set Warning Light 57 Diesel Exhaust Fluid DEF Warning Light 57 Engine Shutdown Warning Light 57 Air Suspension Dump Warning Light 57 High Beam On Light 58 Daytime Running Lamps DRL Indicator Light 58 Cruise Control Light 58 Infor...

Page 45: ...elect the optimum steering wheel position 3 Firmly lock the steering wheel at the selected position by moving the lock lever to the lock position Horn To sound the horn press the pad with a horn symbol on the steering wheel Windshield Wiper Washer To use the windshield wiper and washer switches the engine control switch must be in the ON position The windshield wiper switch has the following posit...

Page 46: ...button on the end of the combination switch lever The spray will continue as long as you hold in the button If windshield washer fluid does not come out in sufficient quantity immediately release the switch Otherwise the windshield surface may sustain damage If windshield washer fluid does not come out release the windshield washer switch immediately Otherwise the motor may seize up Do not hold th...

Page 47: ...rting or removing the plug of an electrical appliance turn the electrical appliance off or place the engine control switch in the LOCK position When using accessory power outlets total maximum electrical load must not exceed 120W 10A Always turn off any electrical equipment when not in use Type 1 The accessory power outlet can be used when the engine control switch is on or in ACC ACCESSORY Use th...

Page 48: ...ing When one of the warning lights comes on and stays on while driving or when one of the gauges shows there may be a problem check the section that explains what to do Waiting to do repairs can be costly and even dangerous For safety reasons do not place packages tools or other items in the driver s area that may restrict access to the controls or sight of the gauges Instrument Cluster 1 Engine C...

Page 49: ...to switch between the odometer and trip odometer To reset the trip odometer to zero press and hold the trip odometer reset stem while TRIP A or TRIP B is displayed The engine control switch should be in the ON position When the battery is disconnected TRIP A and TRIP B will be reset to zero The per trip fuel economy is also reset by the TRIP B reset See Driver Information Center DIC 0 58 When you ...

Page 50: ...oaches empty After filling up the fuel tank it takes awhile for the fuel gauge needle to stabilize after the engine control switch is turned to the ON position If the fuel tank is filled while the engine is off but the engine control switch is in the ON position the fuel gauge needle takes awhile to show the correct reading See Low Fuel Warning Light in Driver Information Center DIC 0 58 and Runni...

Page 51: ...e warning buzzer sounds To stop the buzzer pull up the parking brake lever when the vehicle has come to a complete stop in a safe area If the brake air pressure warning light comes on immediately look for a safe place to pull off the road and stop Engage the parking brake after stopping Place the selector lever in the N position and firmly press the brake pedal Then run the engine at idle to incre...

Page 52: ...ction 1 Check to see if the fan belt is broken or loose 2 If the fan belt is loose adjust the tension 3 If the fan belt is broken or there is no abnormality in the fan belt see your dealer for service See Battery North America 0 212 Jump Starting North America 0 246 and Engine Drive Belt Routing 0 296 Malfunction Indicator Lamp Check Engine Light This light should come on to show that it is workin...

Page 53: ... in the Idle Shutdown Period parameter to indicate to the driver that the engine is about to shut down Cycle the engine control switch to restart the vehicle when needed or appropriate See Idle Shutdown 0 136 Brake System Warning Light Brake Air Pressure Warning Light This light should come on briefly when the engine control switch is turned to the ON position and then should go out after the engi...

Page 54: ... the engine Continued Warning Continued 2 Restart the engine Check if the ABS warning light comes on and then goes out If it does there is no problem The ABS operates normally 3 Move the vehicle slowly forward Gradually increase the speed to 15 km h 9 mph If the light goes off the ABS is normal If the light does not come on or go out or comes on frequently contact your dealer immediately and have ...

Page 55: ...for models without P range With the engine idling wait until the light goes off If the light goes off you can drive the vehicle again If the light does not go off have the automatic transmission lubricating system checked by your dealer Caution Driving with the ATF warning light constantly on can cause serious mechanical damage to the automatic transmission See Automatic Transmission 0 160 Range I...

Page 56: ...es on when Diesel Particulate Filter DPF regeneration is required When this light comes on perform DPF regeneration soon When regeneration starts this warning light will go off and the High Exhaust System Temperature Indicator Light will come on If equipped with a power take off PTO monitor the instrument panel for DPF related indicators PTO and other slow speed applications may require more atten...

Page 57: ... light comes on while driving immediately pull off to a safe place and stop the engine Check the oil level in the engine crankcase If the oil level is normal restrictions are in the oil filter or within the lubricating system Have the vehicle inspected at your dealer Do not run the engine with this light on It could damage the engine When this light comes on while driving a warning tone also sound...

Page 58: ...ne Shutdown Warning Light The Engine Stop Warning light comes on briefly when the engine control switch is turned to the ON position as a check to show the light is working The light turns off when the engine is started If this light stays on or comes on while the engine is running it indicates the engine control module has detected a critical problem and the engine will shut down Pull off to a sa...

Page 59: ...is turned on See Exterior Lamp Controls 0 67 Cruise Control Light This light should come on briefly when the engine control switch is turned to the ON position and then should go out after the engine is started For vehicles with cruise control this light comes on when cruise control is turned on This light should come on briefly when the engine control switch is turned to the ON position and then ...

Page 60: ...or counterclockwise Fuel Economy The system calculates and stores the distance traveled and fuel consumption while driving to encourage the operator to drive the vehicle economically Press the DIC selector once or more to select fuel economy Turn the selector clockwise or counterclockwise to toggle through the items average fuel economy per trip fuel economy and instantaneous fuel economy Average ...

Page 61: ...d while the light control switch is off Select this screen and turn the DIC selector clockwise or counterclockwise to brighten or dim the illumination The brightness is linked to the adjustment of the instrument panel light level control while the light control switch is on See Instrument Panel Illumination Control 0 70 Warning Lights and Messages Engine Overheat Warning Light Low Coolant Warning ...

Page 62: ...tarter indicator light Enter the resetting screen by pressing and holding the DIC selector for more than ten seconds Complete the resetting by pressing and holding the DIC selector for more than ten seconds If you want to cancel the setting procedure press the DIC selector once The display will go back to the previous screen Diesel Exhaust Fluid DEF Gauge With the engine control switch in the ON p...

Page 63: ...cle serviced by your dealer This light will also activate the engine alarm and automatic shutdown system See Engine Alarm and Automatic Shutdown 0 136 and Engine Shutdown Warning Light 0 57 Water Separator Pre Fuel Filter Warning Light WATER SEPARATOR This message displays and a warning light appears when the level in the water separator on the fuel line is beyond the specified level Drain water f...

Page 64: ...s When the selectable regeneration or switch regeneration is interrupted This light amber comes on when the Selectable regeneration or Switch regeneration is interrupted When this light comes on perform DPF regeneration promptly by following the procedure for the Switch regeneration If you continue to operate the vehicle without performing DPF regeneration the color of this light changes to red fr...

Page 65: ...will be limited when this light is activated Failure to promptly refill the DEF tank will result in a severe vehicle speed limitation See Diesel Exhaust Fluid 0 150 When DIC ERROR is Displayed ERROR If the system has not yet been able to access maintenance data ERROR is shown on the DIC If ERROR does not change automatically to a distance or other maintenance indication have your vehicle serviced ...

Page 66: ...message displays green it has the distance until the next tire rotation displayed When this message displays amber the next tire rotation is near or has already been reached STARTER When this message and light is green it displays the number of engine starts remaining until a starter motor is replaced When this message and light is amber it displays when the time for a starter motor replacement is...

Page 67: ...l Engine 6500XD GMNA Localizing U S 15749874 2022 CRC 12 1 21 66 Instruments and Controls Low engine coolant beep Cab tilt continuous beep See Cab Tilting 0 190 See Diesel Exhaust Fluid 0 150 and Engine Alarm and Automatic Shutdown 0 136 ...

Page 68: ...l switch can be used when the engine control switch is placed in the LOCK or ACC position Do not operate the combination lights for an extended time period with the engine off Otherwise the battery may go dead making it impossible to restart the engine 9 Turns off all exterior lights Turns on the parking lights including all exterior lights except the headlights 2 Turns on the headlights together ...

Page 69: ...ed between high and low beams Use low beam whenever there are vehicles ahead in the same lane or oncoming vehicles in the opposite lane See Bulb Replacement 0 220 Flash to Pass By lightly pulling the light control switch lever and releasing it the high beam comes on and off At the same time the headlights high beam indicator light on the instrument panel comes on and off Use this function as a sig...

Page 70: ... turn signals to automatically flash three times It will flash six times if Tow Haul Mode is active Holding the turn signal lever for more than one second will cause the turn signals to flash until the lever is released The lever returns to its starting position whenever it is released If after signaling a turn or a lane change the arrows flash rapidly or do not come on a signal bulb could be burn...

Page 71: ...s pressed the rear body interior light comes on and the indicator light on the switch comes on Confirm the operation with the body builder Dome Lamps The dome light operates regardless of the engine control switch position The switch has three positions ON The light stays on regardless of the doors being open or closed OFF The light stays off regardless of the doors being open or closed Between ON...

Page 72: ...djusting them while the vehicle is moving could cause a crash You and others could be seriously injured Adjust the volume so that sound outside of the vehicle can be heard If outside sound cannot be heard crashes may be harder to avoid Do not install a radio equipment antenna near the vehicle s radio antenna This could cause unwanted noise on the radio or while playing a CD The radio or CD USB pla...

Page 73: ... in just before it was turned off Switching the Audio Modes 1 Press MODE O ENTER 2 Turn MODE O ENTER to select the audio mode and press ENTER The audio mode changes in the following order FM1 FM2 FM3 DISC 1 2 USB IPOD iPod 3 BT AUDIO AUX 4 AM1 AM2 FM1 1 This mode is skipped when a disc is not inserted 2 The content to be displayed varies depending on the data stored in the disc CD MP3 WMA 3 These ...

Page 74: ...and then press ENTER 4 Turn MODE O ENTER clockwise or counterclockwise to adjust the level and then press ENTER Adjusting Fader 1 Press FUNC 2 Turn MODE O ENTER to select SOUND and then press ENTER 3 Turn MODE O ENTER to select FADER and then press ENTER 4 Turn MODE O ENTER clockwise or counterclockwise to adjust the front or rear speakers and then press ENTER Adjustment of rear speaker volume is ...

Page 75: ...ange step down when pressing Tune Track z In both cases if the radio cannot find stations it continues searching Storing the Stations PRESET Favorite stations can be tuned by one touch operation if they are stored in the Preset buttons A maximum of 30 stations can be memorized and stored 12 in AM six each for AM1 and AM2 and 18 in FM six each for FM1 FM2 and FM3 1 Select the radio mode to be store...

Page 76: ...ausing the radio station to sound alternately strong and weak Station interference When a reflected signal and a signal received directly from a radio station are very nearly the same frequency they can interfere with each other making it difficult to hear the broadcast Static AM is easily affected by external sources of electrical noise such as high tension power lines lightning or electrical mot...

Page 77: ...lder being played After the player has played the last file it starts playing the first file of the same folder FLD w is displayed To cancel press 1 again FLD w disappears Random Playback For CD Press 2 v is displayed To cancel press 2 again For CD MP3 WMA Press 2 to play all files in the MP3 WMA disc in random order v is displayed To cancel press 2 twice v disappears Press 2 twice to play the fil...

Page 78: ...TIST Artist name FL TR NO It is not displayed during the WMA file playback If the text information is too long to fit into the display window press and hold down the FUNC for more than one second to switch to the next page Texts recorded with characters other than alphanumeric characters and symbols will appear as asterisks If there is no text information stored in a music file NO TITLE is display...

Page 79: ...irt or deterioration due to long exposure to the environment of the vehicle compartment CD R CD RW that are not finalized and CD R and CD RW that are saved in the UDF format cannot be played excluding MP3 WMA CD TEXT function is only compatible with commercial CD compatible with CD TEXT Characters may not display accurately in CD R and CD RW CD C thru Disc with transparent or translucent recorded ...

Page 80: ... or at the edges Remove these burrs with a ballpoint pen etc before using the disc If burrs are not removed the disc may not be read accurately and cause improper operation Rental Discs Do not use any disc that has cellophane tape or any rental disc that has glue from the label exposed or if some of the removed label still attached to it Using the disc like this may cause the disc to not eject pro...

Page 81: ...channel playback Variable bit rate VBR is supported Lossless compression is not supported ID3 Tag WMA Tag MP3 WMA files have an ID3 Tag WMA Tag that allows the input of information so that data such as song title and artist can be saved This player supports ID3 Ver 1 0 1 1 2 2 2 3 and WMA tags Media Media such as CD R and CD RW discs are capable of playing MP3 WMA files Compared to the CD ROM medi...

Page 82: ...rt multi session When the disc used is a multi session disc only the first session will be played Playing MP3 WMA When a disc with recorded MP3 WMA files is inserted the player first checks all the files on the disc No sound is emitted while the player is checking the files on the disc It is recommended that the disc should be recorded without files other than MP3 WMA files and without unnecessary...

Page 83: ...l 2 Press MODE O ENTER 3 Turn MODE O ENTER to select USB and then press ENTER The music file starts playing Playing Music Files in the USB Memory When the USB Memory is Connected 1 Press MODE O ENTER 2 Turn MODE O ENTER to select USB and then press ENTER The music file starts playing Do not connect adjust or remove the USB Memory while driving Do not remove the USB Memory or turn the ignition off ...

Page 84: ...sappears Press 2 twice to play the files from the folder being played in the USB Memory in random order After the player has played the last file it starts playing the first file of the same folder FLD v is displayed To cancel press 2 again FLD v disappears Selecting a Music File from the Category List 1 Press LIST for less than one second LIST is displayed To cancel the category selection mode pr...

Page 85: ...ed when the connected USB device is disabled Connect another USB device USB ERROR 3 This message is displayed when the USB hub is connected Remove the USB hub from the audio system NO MUSIC This message is displayed when a blank USB device or the USB device that does not contain files with playback extensions is connected READ ERROR This message is displayed if a problem is detected in the USB dev...

Page 86: ... the previous file Fast Forwarding Fast Reversing Press and hold y or z to fast forward or fast reverse the music file Press y to fast forward Press z to fast reverse Release to stop Repeat Playback Press 1 to repeat the same file being played w is displayed To cancel press twice w disappears When the iPod is removed from the main unit under the Repeat setting the iPod switches to the repeat playb...

Page 87: ...e music being played PLAYLISTS displays the list of playlists ARTISTS displays the artist list ALBUMS displays the album list SONGS displays the song list PODCASTS displays the list of the podcast GENRES displays the genre list COMPOSERS displays the composer list AUDIOBOOKS displays the audio book list 3 Turn MODE O ENTER to display the selection mode of your choice and then press ENTER It repeat...

Page 88: ... at the middle hierarchy level Display Text Information 1 Press and hold down LIST for more than one second 2 Turn MODE O ENTER to select the display item of your choice and then press ENTER The display item changes in the following order TR NO TIME File number Playback time ALBUM Album title TRACK Track title ARTIST Artist name TR NO TIME If the text information is too long to fit into the displa...

Page 89: ...ass storage class This system is not compatible with external hard drive units pocket hard disk drives Connections using HUB etc are not supported Playable MP3 File Standards Supported standards MPEG 1 Audio Layer III MPEG 2 Audio Layer III Supported sampling frequencies MPEG 1 32 44 1 48 kHz MPEG 2 16 22 05 24 kHz Supported bit rate MPEG1 32 40 48 56 64 80 96 112 128 160 192 224 256 320 kbps MPEG...

Page 90: ...ters The files stored just below the root of the USB device will be stored in the ROOT FOLDER 2 Files displayed next by ascending order of numbers letters It is assumed here that a USB device has already been loaded into the unit This unit reconfigures the folders created by a user as shown below The following operations are based on the sample MP3 WMA file structure given above Normally tracks in...

Page 91: ... power source supplied with the device The AUX device cannot be controlled from the main unit Reduce the AUX volume to prevent speaker damage Bluetooth Audio Bluetooth Audio Operation Connecting a Bluetooth compatible audio player or mobile phone to this unit allows you to operate it from the system and listen to music In addition as the connection between the unit and the portable device is wirel...

Page 92: ...portable device via this unit differs depending on the specifications of the portable device Fast Forwarding Fast Reversing Press and hold y z to fast forward or fast reverse the track y Fast forward z Fast reverse To stop fast forward or fast reverse release the button Operation of the portable device via this unit differs depending on the specifications of the portable device Selecting the Album...

Page 93: ...portable device SEARCHING is displayed DISCONNECT Disconnect the registered portable device DISCONNECT is displayed press ENTER DELETE Delete the registered portable device When DELETE is displayed press ENTER METHOD Change the connection method Select FROM VEHICLE to connect the portable device by operating from the unit Select FROM AUDIO to connect the unit from the portable device If ERROR Appe...

Page 94: ...TER to select A CONNECT and then press ENTER 4 Turn MODE O ENTER to select ON OFF and then press ENTER CONNECT ON Turn on the automatic connection CONNECT OFF Turn off the automatic connection Clearing the Bluetooth Settings You can clear the Bluetooth settings or histories stored in this unit Do not clear the settings while driving Park your vehicle in a secure location and then initialize them 1...

Page 95: ...hone is not connected The mobile phone has a low battery You can register mobile phones and store phone numbers to the unit as follows Up to 1 000 phone numbers can be stored Up to six phone numbers can be stored in the speed dial list Making a Phone Call by Entering a Phone Number Do not enter a phone number while driving Park your vehicle in a secure location and then enter the phone number 1 Pr...

Page 96: ...us missed call appears on the display window 3 Turn MODE O ENTER to select the phone number of your choice and then press ENTER CALLING is displayed and a call is made to the selected phone number You can also make a call by pressing Off Hook When the person receives the call you can talk in handsfree mode Making a Phone Call Using Incoming Call History 1 Press Off Hook on the infotainment control...

Page 97: ...fotainment controls 2 Turn MODE O ENTER to select ENTER NUMBER and then press ENTER INPUT NUMBER is displayed 3 Turn MODE O ENTER to select a phone number You can enter phone numbers by one digit at a time Numeric character 0 9 and symbols are available You can use the symbols only for the first digit y Advance to the next digit z Delete the entered digit and return to the previous digit You can a...

Page 98: ...rease the volume The adjusted volume value is saved Ringtone Volume Turn Volume Adjust during an incoming call Turn clockwise Increase the volume Turn counterclockwise Decrease the volume The adjusted volume value is saved The volume and microphone gain setting of each mobile phone is different according to its specification Setting the Sensitivity of the Built In Microphone If your voice is too l...

Page 99: ... to select BLUETOOTH and then press ENTER 3 Turn MODE O ENTER to select LIST PHONE and then press ENTER 4 Turn MODE O ENTER to select mobile phone name and then press ENTER 5 Turn MODE O ENTER to select the display item of your choice and then press ENTER SELECT Connect the registered mobile phone SEARCHING is displayed DISCONNECT Disconnect the registered mobile phone When DISCONNECT is displayed...

Page 100: ...ithout copyright or materials for which copying or playback are legally allowed for the purposes of private copying or playback The infringement of copyright is prohibited by law Use of the Made for Apple badge means that an accessory has been designed to connect specifically to the Apple products identified in the badge and has been certified by the developer to meet Apple performance standards A...

Page 101: ...System Bluetooth Handsfree performance can be influenced by mobile phone network handset and driving condition The functions of the system may be partially limited depending on the model of your mobile phone Operation of the portable device via this unit differs depending on the specifications of the portable device ...

Page 102: ...oor outlets 6 Air flows through the floor outlets Air flows through the floor outlets with some air coming from the door window and windshield outlets Air flows through the floor outlets with an increased amount of air coming from the door window and windshield outlets 1 Air flows through the door window and windshield outlets Air Selector Lever The intake of outside air and the circulation of ins...

Page 103: ... knob to the preferred position Move the air selector lever to the P position Set the temperature control knob to the desired position Adjust the fan speed control knob to the preferred speed How to Use the Heater Normal Heating Set the outlet selector knob to the 6 or position Use the position for warming your feet while defogging the windshield Set the air selector lever to the P position Adjust...

Page 104: ... certain to return the air selector lever to the P position Failure to do so will cause the windshield to fog up impeding forward visibility Cooling Normal Moderate Cooling This setting is suitable for extended periods of cooling or moderate cooling Press the A C switch to the on position Set the outlet selector knob to the H position for normal cooling or set it to the position for moderate cooli...

Page 105: ...windshield 3 Passenger Side Outlets Airflow direction is adjustable 4 Door Windows Outlet Air is delivered towards the door windows 5 Foot Outlets Air is delivered towards the feet Air Flow Direction Control Lever Use the tab to adjust the airflow direction from the outlet To close the outlet move the tab fully down Maintenance Passenger Compartment Air Filter Removing the Inside Air Filter 1 Open...

Page 106: ...t not be used with the filter removed or incorrectly installed Failure to observe this precaution can lead to air conditioning system damage as a result of dust dirt and the like entering the system Removing the Outside Air Filter 1 While pressing in on both sides of the filter lock pull out the filter 2 Use a vacuum cleaner or the like to clean dust and dirt from its surface In order to avoid fil...

Page 107: ...e contact your dealer whenever refrigerant must be added Operation Tips Operating the air conditioning while the refrigerant level is too low leads not only to poor cooling performance but also to air conditioning system damage This vehicle uses the new refrigerant HFC134a R134a in the air conditioning system No other type of refrigerant can be used In order to protect the environment care must be...

Page 108: ...inter Cover 135 Engine Heater 135 Engine Alarm and Automatic Shutdown 136 Idle Shutdown 136 High Idle System 136 Engine Checks Before Operating 137 Parking over Things That Burn 138 Air Suspension 139 Engine Exhaust Engine Exhaust 143 Running the Vehicle While Parked 144 Diesel Particulate Filter Diesel Particulate Filter 145 Diesel Exhaust Fluid Diesel Exhaust Fluid 150 Automatic Transmission Aut...

Page 109: ...t your speed can lead to poor fuel economy Drive at a constant speed as much as possible When accelerating increase your speed gently and slowly and up shift early Maintain a constant cruising speed as traffic allows and avoid sudden stops Frequent short trips excessive idling and use of the air conditioner in cool weather when Vent would provide adequate comfort can all lead to decreased fuel eco...

Page 110: ...hat there are no children or obstructions around the vehicle and confirm that it is safe to pull away If you cannot see the area behind your vehicle well enough to confirm it is safe to back up get out of the vehicle and check behind it Make it a habit to look around and confirm that it is safe to pull away after a temporary stop at traffic lights for example If the Windshield Fogs Up Use the heat...

Page 111: ...e operating range Low engine operating temperature causes several conditions that are harmful to engine operation and life Incomplete combustion of fuel in an engine that is not fully warmed up causes crankcase dilution and forms lacquer and gummy deposits on valves pistons and rings It also causes rapid accumulation of sludge within the engine Driving at Night Nighttime driving is more dangerous ...

Page 112: ...ng overtaken by a large truck or bus Overtaking a large truck or bus Flat Tire Warning If a blowout or flat tire occurs while you are driving calmly grip the steering wheel and gradually apply the brakes to decelerate Hard braking would be dangerous because it could cause the steering wheel to be pulled to one side Stop the vehicle in a safe place and change the tire Hard Bump Under Vehicle If the...

Page 113: ...he turn signal lights to indicate your intentions ahead of time Paying attention to vehicles behind you turn off the highway smoothly so as not to obstruct other vehicles Brake Fade Frequent use of the brakes can cause the brakes to overheat so that the frictional force of the brake linings decreases and the brakes become less effective than normal This phenomenon is called brake fade Braking Brak...

Page 114: ...le control use a squeeze braking technique Do this by pushing on the brake pedal with steadily increasing pressure If possible steer around obstacles when there is not enough room to stop Brake System Warning Light Refer to Warning Lights Gauges and Indicators 0 47 When the Brakes Do Not Work Warning It is very dangerous to suddenly apply the parking brake while moving at high speed Reduce speed f...

Page 115: ... range Unless you take these steps any unintended pressure on the accelerator pedal could cause a crash To reduce the chance of personal injury and or vehicle damage due to engine overheating never leave the engine idling without an alert driver present If the engine should overheat as indicated by the engine coolant temperature gauge immediate action is required to correct the condition Continued...

Page 116: ...to P Park If the vehicle is equipped with a selector lever without P range move the selector lever into N Neutral 3 Turn the key to LOCK 4 Remove the key and take it with you 5 Before leaving the driver s seat be sure the vehicle is not moving If the vehicle is equipped with a selector lever with P range confirm the vehicle is in P Park by pulling the selector lever toward you without pushing the ...

Page 117: ...If the brakes do not work well afterward drive slowly and gently press the brake pedal several times until the brakes dry out and start working normally Always do this after driving through water or washing the vehicle to help reduce the risk of personal injury Before parking the vehicle in winter press the brake pedal several times in the same way to get rid of moisture in the brakes Otherwise th...

Page 118: ...at speeds that allow you to stay in complete control If you cannot avoid driving on a flooded road first check the depth of the water and then drive through the water at a slow constant speed There is a risk that water will get into the engine s cylinders and cause engine damage water hammering Keep your speed down and drive with great care Hydroplaning If a vehicle is driven at high speed on a ro...

Page 119: ...he braking effect that occurs when you release the accelerator pedal while driving The lower the gear the stronger the engine brake Exhaust Brake The exhaust brake is a system that closes the exhaust pipe and uses the force of the exhaust emissions to enhance the effectiveness of engine brake Overrunning An engine overrun is an engine speed increase that causes the tachometer needle to enter the r...

Page 120: ...uch fuel you need to reach your destination and fill up the tank in advance Removing Snow from Glass and Underbody Do not use a sharp implement to remove snow Sharp edges could damage rubber parts To maintain an adequate field of view use a plastic scraper to remove snow and frost from the glass surfaces By using a plastic scraper you can remove the snow and frost without scratching the glass In a...

Page 121: ...arning If you park in a place where there is a lot of snowfall snow accumulating around the vehicle could limit ventilation Running the engine with the vehicle in these conditions could cause exhaust gases to enter the cabin resulting in carbon monoxide poisoning Take preventive action by for example clearing the snow around the vehicle You and others could be seriously injured Do not park under t...

Page 122: ... any mud stuck to the vehicle can harm the steering brakes and powertrain Wash the vehicle and remove all mud and other debris The vehicle speed sensors are fitted on the wheels When removing mud and other debris take great care not to damage the components Do not use a sharp implement to remove mud Sharp edges could damage rubber parts Refer to Antilock Brake System ABS 0 171 and Exterior Care 0 ...

Page 123: ...connect the terminals firmly Starter ground wire terminal detached loose or corroded After repairing corroded section connect the terminals firmly Engine oil viscosity too high Change to an oil with proper viscosity See Engine Oil 0 195 Starter or electrical system is faulty 4 Engine does not start Starter turns over No fuel Make sure there are no fuel leaks and then add fuel Air in the fuel syste...

Page 124: ...ystem Drain water from fuel filter or bleed the system See Running Out of Fuel 0 183 or Water in Fuel 0 181 Fuel system is faulty 4 White exhaust smoke Engine not sufficiently warming up Allow the engine to warm up Too much engine oil Correct the oil level See Engine Oil 0 195 Engine Control system faulty 4 Fuel system faulty 4 Continuous idling for a long period more than two hours With the vehic...

Page 125: ...te filter DPF faulty 4 Engine is overheating No engine coolant Add engine coolant See Engine Coolant 0 201 Front of radiator is clogged with dirt Wash clean with tap water See Exterior Care 0 251 Sub tank pressure cap not sufficiently tightened Make sure it is firmly tightened or replace the sub tank pressure cap Fan belt loose Adjust the tension or replace the belt See Engine Drive Belt Routing 0...

Page 126: ... Oil 0 195 Engine oil level too low Add engine oil See Engine Oil 0 195 Engine inner components faulty 4 Meter indicator warning lights or switches faulty 4 Air pressure is low Air compressor faulty 4 Air leaking from pipes and hoses 4 Air governor faulty 4 Not enough engine power Parking brake not fully released Make sure it is fully released Brake dragging 4 Air cleaner clogged 4 Fuel filter clo...

Page 127: ...s functioning See Brakes in the Maintenance Schedule 0 260 Uneven braking Unbalanced air pressure in tires Adjust to proper air pressure See Wheels and Tires 0 233 Tire unevenly worn Replace tire See Wheels and Tires 0 233 Drum brakes out of adjustment 4 Poor wheel alignment 4 Exhaust brake not working Electrical system faulty 4 Steering wheel hard to turn Loaded too far forward Load properly Powe...

Page 128: ... the steering wheel Wheel studs and nuts loose Tighten to the specified torque See Wheels and Tires 0 233 Unbalanced inflation pressure in the tires Adjust to proper inflation pressure See Wheels and Tires 0 233 Unbalanced tires 4 Excessive steering wheel free play 4 Poor steering wheel return Poor lubrication in the steering mechanisms Lubricate the mechanism Poor wheel alignment 4 ...

Page 129: ... See Automatic Transmission Fluid 0 200 Transmission inner components faulty 4 From differential Insufficient differential gear oil Add oil See Rear Axle Gear Oil Viscosity Chart 0 214 or Rear Axle Oil Level Check 0 214 Differential inner components faulty 4 From the suspension Spring pins shackles or stoppers worn 4 From the driveshaft Poor lubrication in each component Lubricate them See Owner C...

Page 130: ...op the vehicle in a safe place with the following in mind The power steering system will not work so the steering wheel will be hard to turn It will require more strength than during normal operation If the power assist steering system goes out because the engine has been shut down or the assist system has malfunctioned the vehicle can still be steered However much greater effort is needed especia...

Page 131: ... incorrectly installed floor mat may hinder the free movement of each pedal You and others could be seriously injured Ignition Positions Engine Control Switch Warning While driving never turn the engine control switch to the LOCK position The key could be removed from the switch which then locks the steering wheel This is extremely dangerous You and others could be seriously injured Caution After ...

Page 132: ...s light goes off turn the switch to the START position 4 START Start is in the position furthest clockwise The engine is started in this position Turn the key against spring pressure to energize the starter When key is released spring pressure returns it to the ON position Release the key as soon as the engine has started If the key cannot be turned from the LOCK position to the ON position lightl...

Page 133: ...ds and then turn the engine control switch again If your vehicle is equipped with a selector lever with P range before starting the engine sit in the driver s seat check that parking brake is engaged the selector lever is in the P or N P is preferred position and the shift indicator also shows P or N and firmly press the brake pedal to start the engine If your vehicle is equipped with a selector l...

Page 134: ... the combustion chambers to facilitate engine starting Be sure to start the engine after the wait to start light has gone out Start Do not press the accelerator pedal at the engine start The accelerator opening degree at the engine start is electronically controlled Warm up Do not race the engine to speed warm up Cold Weather Starting If you plan ahead for cold weather starting and driving your ve...

Page 135: ... period of time place the engine control switch in the LOCK position Let the engine idle for 3 minutes before shutting off the engine This allows the turbocharger to slow down while keeping the bearings lubricated If the Vehicle Has Not Been Used for a Long Period If a diesel vehicle has been standing for an extended period of time the turbocharger bearings should be pre lubricated prior to starti...

Page 136: ...ing of the blades as they pass by the masked area followed by the unmasked area After the fan has been fatigued it may suddenly break apart while rotating possibly causing personal injury to anyone standing nearby and equipment damage You and others could be seriously injured Engine Heater Engine Block and Oil Pan Heater If the vehicle is parked in a garage the block and pan heaters should not be ...

Page 137: ...vehicle Do not restart the engine until the cause of the problem is known and the problem is fixed However if the engine shuts down when you are still in traffic you can restart the engine and get another 30 seconds of operation Do this only if you have to since there is a problem that can harm the engine if it is not fixed See Engine Shutdown Warning Light 0 57 Idle Shutdown Idle Stop is a dealer...

Page 138: ...Park or N Neutral position The accelerator pedal is pressed accelerating the engine beyond the engine speed threshold The cruise set indicator light will stop flashing and the engine speed will return to normal When the engine control switch is turned on the indicator light comes on for approximately 2 seconds and then goes off automatically The indicator light comes on when the overdrive off swit...

Page 139: ...ings It also causes rapid accumulation of sludge within the engine Parking over Things That Burn Warning Exhaust parts and gases become very hot when the DPF is being regenerated Parking over flammable items could allow them to touch hot exhaust parts under your vehicle and cause them to ignite Do not park over papers leaves grass or other things that can burn Make sure there is not flammable mate...

Page 140: ... changed Make sure that there is nothing that can caught between the cargo bed and wheels Changing the vehicle height while driving is very dangerous As such the vehicle will not allow adjustment of the height while driving Do not change the vehicle height on a slope The vehicle may move down For adjusting the vehicle height be sure to rest the vehicle on a flat surface and apply chocks under the ...

Page 141: ...Chevrolet Low Cab Forward 6 7L Diesel Engine 6500XD GMNA Localizing U S 15749874 2022 CRC 12 1 21 140 Driving and Operating Air Suspension Dump Switch ...

Page 142: ...ressing the air suspension dump switch If the air pressure in the air tank decreases changing to the dump position or the normal position may not be possible If this occurs start the engine to increase the air tank pressure When the air suspension dump switch is pressed while the parking brake is not applied the switch indicator light will come on but the air suspension dump warning light in the i...

Page 143: ...he air spring Also check each air spring for loose installation or connection and for contamination by grease splashed from the driveshaft Wipe off any grease if present on an air spring Caution Mud sand gravel trapped under air springs may cause damage to air springs Continued Caution Continued Grease on the air spring surface causes the air spring to swell and affects its durability Checking for...

Page 144: ...oxide poisoning Inspect the exhaust pipe from time to time If you notice any defect for example a damaged joint or a hole or crack caused by corrosion have checks and maintenance performed by the nearest dealer Continuing to use the vehicle without having the defect Continued Warning Continued repaired would be dangerous because exhaust gases could get into the cab and cause carbon monoxide poison...

Page 145: ...air selector lever to the fresh air position Set the fan speed control knob to the maximum speed position Keep the exhaust tailpipe area clear of snow and other material to help reduce the buildup of exhaust gases under the vehicle This is particularly important when parked in blizzard conditions You and others could be seriously injured See Climate Control Systems 0 101 and Maintenance Schedule 0...

Page 146: ...der Please refer to the Cummins Owner s Manual for additional details See Driver Information Center DIC 0 58 Recommended Fluids and Lubricants 0 283 and Engine Oil 0 195 Warning Exhaust parts and gases become very hot when the DPF is being regenerated In order to avoid being burned do not touch the exhaust parts or DPF or get too close to the exhaust gases Do not leave the vehicle during the regen...

Page 147: ...g at or under 15 km h 9 MPH When frequent engine start and stop are performed When the engine stops every time before the engine is warmed up When continuous idling over 1 hour is frequently performed If the vehicle is stationary with the engine idling during DPF regeneration the exhaust brake or exhaust throttle operates Operating sounds will be heard when the exhaust brake or exhaust throttle is...

Page 148: ...egeneration automatically when a certain quantity of PM accumulates in the filter Depending upon running conditions however the regeneration may sometimes not be completed In this case the diesel particulate filter DPF warning light will come on so promptly activate DPF regeneration by performing the Switch Regeneration Procedure This operation recovers the function of the DPF It does not mean tha...

Page 149: ...t switch turn off the DPF regeneration inhibit switch When to Perform DPF Switch Regeneration If the DPF warning light comes on the DPF could not satisfactorily complete automatic regeneration and driver action is required When the DPF warning light is turned on it means you must perform the Switch regeneration procedure soon If you continue driving too long with the DPF warning light on or flashi...

Page 150: ...tomatic regeneration is started it cannot be switched to the Running regeneration if interrupted When the Switch regeneration is selected complete regeneration in a single operation if possible During DPF regeneration the engine speed may vary causing the exhaust brake valve to be deactivated However while the high exhaust system temperature indicator light appears regeneration is still taking pla...

Page 151: ... selective catalytic reduction SCR system Be sure to use only API certified DEF When the SCR system detects DEF level is nearly empty or incorrect fluids such as water or low concentrated DEF are added the SCR system will turn on warning and indicator lights and reduce engine power in progressive stages to encourage you to have the condition corrected Continuing to drive for too long after these l...

Page 152: ...s mistakenly added incorrect fluid may cause a failure Have it inspected and serviced at a dealer immediately Ammonia odor may be generated when the DEF is exposed to high temperature Do not overfill the DEF tank If the DEF tank is overfilled DEF may leak from the breather hose while driving Also if you overfill the DEF tank in cold weather the DEF may freeze and damage the DEF tank and or its sen...

Page 153: ...uld the DEF freeze in this condition causing the DEF low level warning system not to reset when DEF is added Take the following actions to avoid this condition in cold weather 1 Refill the DEF as soon as possible after parking the vehicle 2 Turn the engine control switch to the ON position from the LOCK position 3 Wait for the warning buzzers and warning lights to turn off 4 If the buzzer does not...

Page 154: ...sel Exhaust Fluid DEF into the exhaust system and inducing a reaction converting NOx into water vapor and nitrogen The SCR system consists of the ECM DEF tank DEF Supply Pump and Injector and the SCR Catalyst It is important to keep a good supply of DEF in the DEF tank at all times Monitor the DEF gauge to be sure the DEF tank level does not become too low If the DEF level becomes too low or incor...

Page 155: ...l turn on warning and indicator lights and reduce engine power in progressive stages to encourage adding DEF The following is a summary of the diesel exhaust fluid DEF low level warning lights indicator lights and engine power reductions Continuing to drive for too long after these lights come on will eventually result in a severe vehicle speed limitation These warning and indicator lights will go...

Page 156: ...t Low Cab Forward 6 7L Diesel Engine 6500XD GMNA Localizing U S 15749874 2022 CRC 12 1 21 Driving and Operating 155 DEF Tank Level is Low Empty Stage Stage 1 Stage 2 Stage 3 Stage 4 DEF gauge MID sub display 2 ...

Page 157: ...EF Tank Level is Low Empty cont d Stage Stage 1 Stage 2 Stage 3 Stage 4 Indicator light s Restrictions None Engine torque is reduced by 25 Engine torque is reduced by an additional 1 per minute up to a maximum reduction of 40 of specified torque Vehicle speed is limited to 8 km h 5 MPH Vehicle speed is limited to 8 km h 5 MPH ...

Page 158: ...g Stage 3 if any of the following triggers is met engine torque will remain reduced by 40 and the vehicle speed will be limited to 8 km h 5 MPH The engine is restarted The engine idles for over 1 hour The fuel tank is refilled See Adding DEF in Cold Weather and When the Diesel Exhaust Fluid DEF Tank is Empty earlier in this section See Diesel Exhaust Fluid DEF Warning Light 0 57 Incorrect Diesel E...

Page 159: ...ne 6500XD GMNA Localizing U S 15749874 2022 CRC 12 1 21 158 Driving and Operating Incorrect DEF SCR System Malfunction Warnings Stage Stage 1 Stage 2 Stage 3 Stage 4 DEF gauge MID sub display 2 Various Various Various Various Indicator light s ...

Page 160: ...ing light will remain on Engine torque will be reduced by an additional 1 per minute up to a maximum reduction of 40 of specified torque Stage 4 After reaching Stage 3 if any of the following triggers is met engine torque will remain reduced by 40 and the vehicle speed will be limited to 8 km h 5 MPH The engine is restarted The engine idles for over 1 hour The fuel tank is refilled See Handling of...

Page 161: ...he characteristics of the automatic transmission vehicle and how to correctly operate it When the vehicle is stationary remember to keep the brake pedal firmly pressed and if necessary move the selector lever in the P or N position models with P range or N position models without P range and apply the parking brake Creep With the engine running and a gear position other than P or N selected with t...

Page 162: ...to N make sure the shift indicator indicates N pull up the parking brake lever and firmly press the brake pedal When stationary and moving the selector lever to any position other than P models with P range or N models without P range be sure to press the brake pedal Never leave the driver s seat with the selector lever placed in OD 3 2 1 or R The vehicle may start moving When leaving the driver s...

Page 163: ...dals To avoid accidentally pressing the wrong pedal check the pedal positions and practice putting your foot on the desired pedal To start your vehicle 1 Firmly press the brake pedal After making sure the selector lever is placed into P only models with P range or N that P only models with P range or N is shown in the shift indicator and that the parking brake is applied place the engine control s...

Page 164: ...rises enabling sufficient acceleration This is called kickdown You can easily accelerate to the required speed when overtaking other vehicles or when joining traffic on a highway In order to maintain speed when driving on an uphill road as you gradually press the accelerator pedal the engine may automatically shift down in accordance to the current speed shifts to a lower speed gear increasing the...

Page 165: ... Sustained Periods Any low speed applications such as sweeper road marking machinery trash collectors highway striping or moving etc require the following treatment to prevent the automatic transmission fluid ATF from overheating Select 1 position during low speed operation under 18 km h 11 MPH Select 2 position during low speed operation under 36 km h 22 MPH See Automatic Transmission Fluid Tempe...

Page 166: ...ine and remove the key When the selector lever is not placed in the P position the shift lock system operates and the key cannot be removed only models with P range See Starting and Stopping the Vehicle 0 131 and Parking Brake 0 174 If you cannot move the selector lever from the P position after starting the engine perform the following necessary checks Check that you are firmly pressing the brake...

Page 167: ...s not pressed the shift lock system operates and the selector lever cannot be shifted from P to any other position Check if the area where your vehicle is parked is not a slope If your vehicle is parked on a downside slope the operation of the selector lever may become heavy to move In this case you can operate the selector lever more smoothly by moving the selector lever towards the front of the ...

Page 168: ...mission fluid overheats Pressing the accelerator pedal and brake pedal at the same time while the vehicle is in a gear other than N or P Placing the selector lever into any gear with the accelerator pedal pressed and the engine speed high The transmission gears are overloaded Placing the selector lever into P before the vehicle has completely stopped The parking mechanism will be damaged Turning o...

Page 169: ...y be used when driving on downhill roads or when the engine brake is required Select the 2 position at speeds below 40 km h 25 MPH when traveling down a moderate grade Return the selector to the OD position for normal driving 1 Low Used on steep downhill roads or when strong engine braking is required Return the selector to the OD position for normal driving Warning When pulling away always visual...

Page 170: ...econd May be used when driving on downhill roads or when the engine brake is required Select the 2 position at speeds below 40 km h 25 MPH when traveling down a moderate grade Return the selector to the OD position for normal driving 1 Low Used on steep downhill roads or when strong engine braking is required Return the selector to the OD position for normal driving Caution When pulling away alway...

Page 171: ... Doing so will reduce the number of gear changes making the ride smoother If your vehicle is traveling at a speed exceeding 109 km h 68 MPH it is not possible to downshift from 6th gear to 5th gear exhaust brake on If your vehicle is traveling at a speed exceeding 92 km h 57 MPH it is not possible to downshift from 5th gear to 4th gear exhaust brake on If your vehicle is traveling at a speed excee...

Page 172: ...ed and slip during sudden braking or braking on a slippery road surface such as a snowy road ABS is a device to prevent the wheels from locking by detecting a slippery condition during braking and securing the directional stability and handling stability of the vehicle ABS only assists in limited road conditions and will not prevent a crash if you exceed safe driving speeds for road conditions Alw...

Page 173: ...er to be directly sprayed onto the ABS components and their harness connectors These are not signs of ABS malfunction Soon after you start the engine the sound of valves working may be heard from the rear of the vehicle or underside of the cab This sound is from a self check by the ABS system and is normal When ABS is properly operating vibration is felt on the steering wheel and or a mechanical o...

Page 174: ...ed road When tire chains are used When driving over road joints or bumps such as light reflectors on the road When driving on a bumpy road stone paved road or track When driving over an iron plate or manhole lid ABS does not work for wheel skidding during a standing start acceleration and cornering that does not involve braking On a very slippery icy road tires may lose their grip and the steering...

Page 175: ... must be fully engaged When you engage the parking brake lever air pressure is reduced and all four wheel brakes are applied Warning Although the parking brake indicator light will come on if the parking brake is engaged while the engine control switch is in the ON position this does not mean the parking brake is fully engaged so always make sure the lever is fully pulled up Never drive the vehicl...

Page 176: ... light will then come on Make sure that you hear the air being released from the system To release the parking brake lower the parking brake lever while raising the release knob The parking brake warning light will then go out The parking brake indicator light is designed to remind you if the parking brake is not released when the engine control switch is on Caution If the parking brake warning li...

Page 177: ...ator pedal is released and vehicle speed is above 16 km h 10 MPH The exhaust brake will disengage when the accelerator pedal is depressed Releasing the pedal reengages the exhaust brake however there is a 0 5 second delay in engagement Push the lever forward to turn the exhaust brake off during idling Exhaust brake activation results in an automatic downshift to the lowest permissible gear for the...

Page 178: ...ows you to drive the vehicle at a constant speed without operating the accelerator pedal Use this function when the vehicle speed is between 40 to 160 km h 25 to 100 MPH This function should only be used when driving without frequent starts and stops Warning Cruise control can be dangerous where you cannot drive safely at a steady speed Do not use cruise control on winding roads or in heavy traffi...

Page 179: ...s held After the speed is increased to the desired vehicle speed and the switch is released the speed is set at the increased vehicle speed If you want to increase the speed quickly press the accelerator pedal and accelerate to the desired vehicle speed Then operate the cruise control set switch When Increasing Vehicle Speed Slightly If the cruise control resume switch is operated and released imm...

Page 180: ...e control main switch into off then reset the cruise control if you want to use the cruise control again Using Cruise Control on Hills How well your cruise control will work on hills depends upon your speed load and the steepness of the hills When going up steep hills you may want to step on the accelerator pedal to maintain your speed When going downhill you may have to brake or shift to a lower ...

Page 181: ...the aftertreatment system could possibly be damaged The fuel supply pump injector or other parts of the fuel system and engine can be damaged if you use any fuel or fuel additive other than those specifically recommended by GM and Cummins To help avoid fuel system or engine damage pay attention to the following Some service stations mix used engine oil with diesel fuel Some manufacturers of large ...

Page 182: ...there is a water separator system on the engine which allows you to drain excess water from the fuel Warning The drained water diesel fuel mixture is flammable and could be hot To help avoid personal injury or death and or property damage do not touch the fuel coming from the water separator drain valve and do not expose the fuel to open flames or sparks Be sure you do not overfill the drain pan H...

Page 183: ...hicle checked and serviced by the nearest dealer Draining Water from the Fuel Filter Clean off any fuel that has adhered to the vehicle body Starting the engine immediately after draining the water from the pre fuel filter requires a little more time than usual If the engine does not start in 10 seconds wait for a while and try again Fuel will be mixed in the drained water Dispose of it in a metho...

Page 184: ...following methods to bleed the fuel system Bleeding the Fuel System Steps for Refueling 1 Follow the directions in Parking Brake Lever under Parking Brake 0 174 2 Select the correct fuel See Diesel Fuel Requirement and Fuel System Follow any posted safety rules Stand to the side never above or opposite the filler opening 3 Check that the fuel cap is tight and see to it that engine oil engine coola...

Page 185: ...nsufficient air bleeding can result in faulty engine operation Be sure therefore to always carry out the procedure described in After Starting the Engine Filling the Tank Be sure to obey the following instructions when refueling the vehicle Stop the engine and close the vehicle s doors and windows Keep cigarettes and other flames away from the vehicle Before opening the fuel tank filler cap touch ...

Page 186: ...cap If you open it quickly fuel may spurt out You and others could be seriously injured Caution Care must be taken when filling the fuel tank to prevent entry of dirt and water Conversions and Add Ons Add On Electrical Equipment Installing Electrical Equipment Warning Inappropriate installation or removal of audio radio or other electrical equipment can adversely affect other electrical equipment ...

Page 187: ...y alterations to any of the parts components systems or assemblies installed by GM Examples include but are not limited to special body installation such as recreational vehicles the installation of any non GM part cutting welding or the disconnecting of original equipment vehicle or chassis parts and components extension of the wheelbase suspension and driveline modifications and axle additions T...

Page 188: ...Rear Axle Gear Oil Viscosity Chart 214 Rear Axle Oil Level Check 214 Noise Control System 215 Automatic Transmission Shift Lock Control Function Check 216 Wiper Blade Replacement 217 Headlamp Aiming Front Headlamp Aiming 219 Bulb Replacement Bulb Replacement 220 Headlamps and Front Turn Signal 222 Roofmarker Lamps 223 Sidemarker Lamps Including Turn Signal and Cornering Lamps 223 Taillamps Turn Si...

Page 189: ...authorized dealer has trained technicians and genuine parts to service your vehicle properly For expert advice and quality service see your authorized dealer Warning To help avoid personal injury take care when doing any maintenance or making any check or repair Follow manufacturer s instructions for all materials used during service and maintenance of this vehicle If used or handled improperly th...

Page 190: ...adjustments yourself Be sure to consult your dealer Use only appropriate tools Oils and engine coolant have lubrication cooling and rust prevention functions If these liquids deteriorate through loss or contamination it will cause a decline in the performance of the parts and such problems as seizure or malfunctioning Replenish or change these liquids when performing the checks daily and periodic ...

Page 191: ...d block the front wheels Move the selector lever in the P position models with P range or N position models without P range Secure loose articles in the cab Stop the engine Close the cab door Keep the area surrounding the cab clear You and others could be seriously injured Cab Tilt Levers and Grip 1 Cab Unlock Marker 2 Handle 3 Upper Lever 4 Lower Lever 5 Grip Tilting the Cab 1 Apply the parking b...

Page 192: ...grasping the grip 4 with your left hand pull the lower lever 3 with your right hand and slowly raise the cab 4 Fully lift up the cab and lock the tilt support 1 while holding the part indicated by the arrow When it is locked it makes a click sound Confirm that the lock 2 of tilt support 1 is securely engaged Warning Do not touch the lock on the tilt support while the cab is tilted If you touch it ...

Page 193: ...nd others could be seriously injured 1 Support the cab while gripping the grip 1 with your left hand The vehicle may have a center grip 2 2 Remove the tilt support lock pin 1 and place it in the holder 2 3 Pulling the tilt support while pressing the lock with your right hand will cause the tilt support to bend lowering the cab After the tilt support has bent grasp the grip 4 with both hands and lo...

Page 194: ...atches 6 1 Handle 6 2 Cab Unlock Marker 6 3 Handle Location Label Warning To help avoid personal injury or death confirm the handle 1 is located in locked position as indicated on the cab tilt handle location label When the cab unlock marker is protruding from the cab the cab is not locked Securely lock the handle 1 7 The cab unlock marker 1 only indicates that the cab 2 is unlocked Do not use the...

Page 195: ...driving blocks your view When opening the front lid make sure to place the engine control switch in the LOCK position Otherwise your hand could be caught in the windshield wiper link and injured Continued Warning Continued Do not use high pressure cleaning methods for the brake valve and surrounding area inside the front lid It could damage the brake system Do not apply water directly to the air c...

Page 196: ... important functions It prevents engine parts from becoming worn It cools engine parts It cleans engine parts It seals the combustion chambers and prevents rust Replace the engine oil at regular intervals When particulate matter PM has accumulated to a preset level in the diesel particulate filter DPF the filter is automatically regenerated through combustion To make this regeneration combustion p...

Page 197: ...4 Reinstall the oil dipstick into position after checking the oil level Any oil level above the FULL mark on the oil dipstick may cause damage to the engine and the aftertreatment system The oil level cannot be checked correctly when the engine is running If the engine has been running wait at least 30 minutes before checking Adding the Engine Oil When the engine oil level is near or below the ADD...

Page 198: ...esel Particulate Filter DPF both the engine and the DPF may break down and fuel economy may decrease Be sure therefore to use the oil intended for vehicles equipped with DPF Oil Identification Logo A logo symbol is used on most oil containers to help you select the oil you should use The top portion of the logo shows the oil quality by API designations such as CK 4 The center portion of the logo s...

Page 199: ... oil Engine Oil Viscosity Chart Select appropriate engine oil in accordance with the table below It is also important to select the viscosity appropriate for the temperature at which your vehicle operates Use the following table for making correct selections Engine oil viscosity thickness has an effect on fuel economy and cold weather starting Lower viscosity engine oils can provide better fuel ec...

Page 200: ... the oil make sure the oil is at the required level Failure to use Cummins recommended engine oil could result in engine or DPF breakdown or in poor fuel efficiency Engine oil change precaution When adding oil remove the dipstick After adding oil wait for at least 5 minutes before starting the engine Be sure to reinstall the dipstick Discarded Parts Oils and Other Liquids When changing oils filter...

Page 201: ...ances or other fluids etc mix with the fluid Otherwise degraded performance and faulty operation of the system will result Checking the Automatic Transmission Oil level This operation could be difficult and you may choose to have this done at your dealer If you choose to do it yourself then be sure to follow all the instructions below or you could get a false reading on the dipstick Position of th...

Page 202: ...ty engine coolant It is important to use proper engine coolant to prevent damage to engine cooling system components The engine cooling system is designed to use engine coolant rather than plain water See Recommended Fluids and Lubricants 0 283 See the Maintenance Schedule to find out when the engine coolant must be replaced Note that changing the engine coolant is necessary to replenish the rust ...

Page 203: ... of engine coolant is needed to replenish the anticorrosion additives that wear out with use Engine coolant that has become dark in color shows that it needs to be changed Do not use methanol base antifreeze alcohol or plain water alone in your vehicle at any time They will boil at a lower point than that at which the engine coolant temperature gauge will warn of overheating and they do not provid...

Page 204: ...leakage on the ground where the vehicle was parked If you find water or coolant leakage contact the nearest Chevrolet Dealer Warning If your engine cooling system overheats see Engine Overheating 0 204 Continued operation of the engine even for a short time may result in a fire and the possibility of personal injury and or severe vehicle damage You and others could be seriously injured The sub tan...

Page 205: ...he engine coolant reserve tank If the level of engine coolant changes rapidly have your vehicle inspected at your dealer Thermostat The engine coolant temperature is controlled by thermostat s The thermostats stop engine coolant flow through the radiator until a preset temperature is reached The thermostats are installed in the engine coolant outlet on the engine block The same thermostats are use...

Page 206: ... are still hot Scalding fluid and steam can be blown out under pressure if either cap is taken off too soon You and others could be seriously injured If Steam Is Coming from the Engine Compartment Warning If the engine coolant temperature gauge shows an overheat condition or you have other reasons to suspect the engine may be overheating continued operation of the engine other than as described he...

Page 207: ...or the radiator is not turning turn off the engine immediately Warning Even when the engine has been stopped the engine coolant in the radiator remains under pressure Immediately removing the radiator cap could cause steam or hot water to blow out and you could be scalded as a result The engine coolant in the reserve tank may also be hot Immediately removing the cap could cause hot water to blow o...

Page 208: ...move it 6 After the inspection regardless of the vehicle condition please contact the nearest dealer Once the engine coolant temperature gauge no longer signals an overheat condition you can resume driving at a reduced speed Return to normal driving after about 10 minutes if the gauge pointer does not again show an overheat condition When tap water only has been used for engine coolant in an emerg...

Page 209: ...pecially during bad weather conditions Use a high quality premixed solvent available at most dealers or service stations Avoid hard water when mixing windshield washer solvents Hard water contaminants may plug openings in the washer system and reduce performance Do not use radiator antifreeze in the windshield washer it could cause cab paint damage In cold weather warm the windshield with the defr...

Page 210: ...ks over time may accumulate water You must drain them by pulling the lanyard attached to the drain tap at the bottom of the air tank to discharge the water After discharging water check that air is not leaking from the drain tap If a large volume of water drains from an air tank the desiccant replacement is necessary have it performed by the nearest GM dealer Caution Exhaust components may be hot ...

Page 211: ...of an inside desiccant If water and oil is discharged when the drain tap on the air tank is opened for checking the desiccant has deteriorated and needs to be changed Desiccant replacement requires disassembling of the relevant components so you should have it done by the nearest GM dealer Brake Air Pressure 1 Check the brake air pressure gauges to see that the primary and secondary air systems ar...

Page 212: ... of the pressure gauge needles are in the red zone or the brake air pressure warning light is on Brakes are then not fully functional and it is dangerous to operate the vehicle Brake Pedal Free Play Press the brake pedal with two fingers to check that the pedal free play is proper and the pedal moves smoothly without abnormal interference Free play measured at the tip of pedal 10 18 mm 0 39 0 71 i...

Page 213: ... the left frame rail behind the cab The batteries are in a carrier with the cover 2 retained by spring clips 1 Danger Follow the precautions listed in the jump starting Danger see When the Battery is Discharged when working on or near the battery Personal injury particularly to eyes or property damage may result Continued Danger Continued from battery explosion battery fluid or electrical short ci...

Page 214: ...he water from the chassis side fuel filter and engine side fuel filter Failure to replace the fuel filter when needed may lead to fuel system damage Your authorized dealer can inspect your fuel filter and replace your fuel filter if needed Water Separator The purpose of the water separator is to separate any water that may have formed in the fuel tank due to condensation The water separator is loc...

Page 215: ...gear oil level must be checked and it must be changed according to the Maintenance Schedule See Maintenance Schedule 0 260 Use the oil quantities indicated later in this section only as guidelines when changing the rear axle differential gear oil For axles without drain plugs a carrier bolt is used to drain the oil There is a carrier bolt on the lower section of the front of the axle with Drain st...

Page 216: ...his vehicle as designed built and equipped by General Motors LLC and is not limited to any particular part component or system of the vehicle manufactured by General Motors LLC Defects in design assembly or in any part component or system of the vehicle as manufactured by General Motors LLC which at the time it left General Motors LLC s control caused noise emissions to exceed Federal standards ar...

Page 217: ...prevent incorrect operation of the automatic transmission model Use it correctly and drive safely If You Cannot Move the Selector Lever from the P Position Models with ALLISON2550RDS Model Transmission If you cannot move the selector lever from the P position after the engine is started and the brake air pressure is increased follow the section below to perform the necessary checks Caution When th...

Page 218: ...the selector lever cover by removing the four push rivets and lifting it up 3 Move the selector lever to the N position while pressing the release lever When reinstalling the selector lever cover perform the procedure above in reverse order Wiper Blade Replacement Caution Allowing the wiper arm to touch the windshield when no wiper blade is installed could damage the windshield Any damage that occ...

Page 219: ...tallation 1 Insert the blade while holding it almost perpendicular to the arm 2 With the blade and arm oriented in the same direction push up the blade until it locks into place on the arm Whenever a wiper blade has been attached ensure that it is locked into place Failure to observe this precaution can result in the wiper blade becoming dislocated when the windshield wiper switch is turned on ...

Page 220: ...w and extract it from the wiper blade Installation 1 Insert a new wiper rubber insert into the wiper blade 2 Continue pushing in the wiper rubber insert until the wiper blade s hook engages with the hole in it and then confirm that the rubber insert is securely held in place 3 Attach the wiper blade to the wiper arm Headlamp Aiming Front Headlamp Aiming For vertical aiming turn the two screws indi...

Page 221: ...t This could result in the warping of the lens and case and it could also lead to the outbreak of fire Bulbs are hot immediately after they go out When replacing the bulbs avoid being burned by making sure they are fully cooled Never drive the vehicle with the bulbs not working This could result in an accident You and others could be seriously injured When one bulb of a pair of lamps such as a fro...

Page 222: ...t Turn Signal Lamp 21W Amber 2 Parking Lamp LED 2 Daytime Running Lamp LED 8 Cornering Lamp 27W 2 Side Turn Signal Lamp 5W Amber 2 Sidemarker Lamp 5W Amber 2 Rear Taillamp and Stoplamp 8 27W 2 Turn Signal Lamp 27W 2 Back Up Lamp 27W 2 License Plate Lamp 7 5W 1 Roof Roofmarker Lamp Identification Clearance Lamp 5W 5 Interior Dome Light 10W 1 Speedometer and Gauge Lights 3 4W 5 Warning Indicator Lig...

Page 223: ...amps If replacement is necessary see your dealer Replacing a Front Turn Signal Lamp Do not replace a bulb with other than the specified wattage This will cause abnormal flashing particularly for turn signal lamps When replacing a bulb make sure the light switch is OFF 1 Open the front lid Remove the two screws 4 from the upper side of the radiator grille 3 Push up on the tabs of the four clips 1 o...

Page 224: ...ld get inside the light and lead to a breakdown Roofmarker Lamps 1 Loosen the screws 2 and remove the lens 1 2 Remove the bulb 3 from the socket 4 and replace it with a new one 3 To install the lights follow the removal procedure in reverse If the screwing procedure is inadequate water may infiltrate into the lamp unit Sidemarker Lamps Including Turn Signal and Cornering Lamps Do not replace a bul...

Page 225: ...removing the clip on the rear side the clip on the lamp front side may be damaged 3 When the clip 1 has been removed pull the lamp out while sliding it out toward the rear of the vehicle 4 Loosen the socket by turning it counterclockwise 5 Pull the bulb out from the socket and replace it with a new one 6 To install the lights perform the same sequence of operations in reverse taking care of the fo...

Page 226: ... insert the clip on the back of the front part of the light in the door panel D Open the front door tighten the nut from the inside of the door and install the rubber cap Taillamps Turn Signal Stoplamps and Back Up Lamps 1 Turn Signal Lamp 2 Taillamp Stoplamp 3 Back Up Lamp 4 Lens 1 Loosen the screws and remove the lens 2 Loosen the bulb by turning it counterclockwise while pressing on it 3 To ins...

Page 227: ...ng the Fuses and Relays Your vehicle is equipped with fuses and fusible links to protect your electrical wiring and equipment in case of electrical overload When the lights do not come on or flash or the equipment in the electrical system does not operate check to see if a fuse has blown Fuses In case of an electrical overload the fuse will blow and stop the flow of current in the circuit before e...

Page 228: ...ou should spill water or a beverage on the cover wipe it off before opening the cover The area around the cover may get warm when the vehicle is being driven but this is not abnormal Replacing Fuses 1 Before replacing fuses apply the parking brake move the selector lever to the P Park position models with P range or N Neutral position models without P range and turn the engine control switch to th...

Page 229: ...N position Doing so may lead to an accident When inspecting fuses be sure to park the vehicle on flat level ground and apply chocks to the wheels Replacing Relays Before replacing the relays contact the nearest dealer The vehicle may not be equipped with all of the fuses relays and features shown It is not necessary to open or close the cover unless trouble is found The relay box structure makes i...

Page 230: ...n Rating 1 25A No Description Rating 2 SPARE 5A No Description Rating 3 ROOM LAMP AUDIO 10A 4 DOOR LOCK 15A 5 15A 6 P WINDOW 25A 7 ABS 10A 8 WIPER 25A 9 H LAMP LO LH 10A 10 LAMPS BATT 10A 11 H LAMP LO RH 10A 12 BRAKE LAMPS 10A 13 STARTER 10A 14 H LAMP HI LH 10A 15 H LAMP HI RH 10A 16 MIRROR HEATER 15A 17 IGNITION 2 10A 18 IGNITION 1 10A 19 20 ECM 10A 21 METER 10A 22 ECU BATT 10A ...

Page 231: ...AIR CONDITIONER 10A 31 SPARE 32 SPARE 33 SPARE 34 SPARE 35 CIGAR 20A 36 ACCESSORIES SOCKET 15A 37 POWER SOURCE 20A 38 REVERSE LAMPS 10A 39 MIRROR HEATER DR 20A 40 SERVICE REVERSE 10A 41 AUDIO REVERSE 10A 42 MIRROR HEATER AS 20A Engine Relay Locations Relay locations No Description 1 STOP LAMP 2 DAYTIME RUNNING LAMP 3 KEY ON 4 DAYTIME RUNNING LAMP CUT 5 CORNERING LAMP No Description 6 WIPER MAIN 7 ...

Page 232: ...WER ACC 18 BLOWER MOTOR 19 BRAKE LAMP SWITCH 20 CONDENSER FAN 21 REVERSE LAMP 22 CIGAR LIGHTER 23 MIRROR HEATER AS 24 MIRROR HEATER DR 25 26 COOLANT LEVEL SWITCH Fuse and Relay Location Cab Exterior Fuse locations 2 No Description Rating 1 MARKER LIGHT 20A 2 TAIL LIGHT 20A 3 ECM MAIN 15A 4 SCR 20A 5 TCM 15A 6 POWER SOURCE 15A No Description Rating 7 CONDENSER FAN 20A 8 A C 10A Relay locations 1 No...

Page 233: ...e slow blow fuse is blown if it looks like the illustration Immediately contact the nearest dealer Warning Always use fuses specified by the dealer when replacing the slow blow fuse Using fuses with a rating other than that specified or using wire or tin foil etc could result in fire or damage If the new fuses blow right away and the cause is unknown contact your dealer Do not inspect or replace f...

Page 234: ...der Tire Pressure 0 243 Be sure to keep tires properly inflated A tire that is run while seriously underinflated may overheat to the point where the tire may lose air suddenly and or catch fire possibly resulting in personal injury and or property damage See Tire Load and Inflation Table under Tire Pressure 0 243 In no case should the front or rear tire load exceed the maximum recommended gross ax...

Page 235: ...ion and uneven tire wear such as cupping and flat spots See your authorized dealer for wheel balancing Front End Alignment Proper front end alignment improves tire tread mileage Your vehicle s front end suspension parts should be inspected often and aligned when needed See the Maintenance Schedule for more information Improper alignment will not cause the vehicle to vibrate however improper toe in...

Page 236: ...our tire tread or sidewall is cracked cut or snagged deeply enough to expose the core fabric or steel components Your tire has a hump bulge or split Your tire sustains a puncture cut or other damage that cannot be correctly repaired because of the size or location of the damage When replacing tires you should use the same size load range and construction type bias or radial as the original tires o...

Page 237: ...ate for the location of the Greenhouse Gas GHG emission plate See Vehicle Identification Number VIN 0 286 Wheel Replacement Recommendations Wheels must be replaced if they become damaged for example bent heavily rusted leak air or if wheel nuts often become loose Do not use bent wheels that have been straightened and do not use inner tubes in leaking wheels which are designed for tubeless tires Su...

Page 238: ...e road chemicals are applied or on a coastal road thoroughly wash the wheels with water and then apply wax to prevent corrosion 3 Aluminum wheels get scratched easily so do not use a detergent containing abrasive powder or a wire brush 4 You must use a spare tire carrier specially designed for aluminum wheels Aluminum wheels get damaged if you tighten the wheel bolts and nuts to a torque greater t...

Page 239: ...re or may even cause the tire to burst Use an appropriate tire air pressure gauge when measuring the air pressure of a tire Tire air pressure should be measured when the tire is cold or before the vehicle is driven After driving tire air pressure increases by about 10 As the tire air pressure varies depending on the vehicle model and tire size refer to the VIN Weight Rating and Greenhouse Gas GHG ...

Page 240: ...onditions the bolts may break and the wheel may detach from the vehicle possibly causing a crash Continued Warning Continued Over inflated tires result in a harsh ride and are likely to cause damage to the cargo Under inflated tires build up heat and could burst Always keep the tires of your vehicle adjusted at the standard air pressures You and others could be seriously injured There should not b...

Page 241: ...Tread wear indicator Example 1 Lug pattern 2 Rib pattern Using worn out tires is dangerous because they might have an increased chance of getting punctured or bursting while driving Check all tires to see if tread wear indicators appear on their treads and also check their entire tread for its depth with a depth gauge to make sure that the grooves are deeper than the specified depth A tire with tr...

Page 242: ...e if a wheel must be changed seek expert tire services Taking off and mounting tires on wheels requires proper tools safety equipment and special training A person can be severely injured or killed and damage can result from using the wrong service methods Truck tires and wheels should be serviced only by trained people using the proper equipment Continued Danger Continued Do not put air back in a...

Page 243: ...t 1 600 km 1 000 mi This is necessary because the clamping system used on the wheels must seat before the fastener will hold a uniform clamp load and remain fully tightened Also have a technician tighten wheel stud nuts and rim clamp nuts with a torque wrench after installing any wheel In addition nut tightness on all wheels should be set with a torque wrench every 16 000 km 10 000 mi Tightening t...

Page 244: ...nued Warning Continued If you find any abnormal condition on the wheel studs wheel nuts or disc wheel do not continue to use the wheel Contact the nearest dealer as soon as possible Tires at different locations wear differently For uniform tire wear and longer tire life you should rotate the tires on your vehicle regularly Make sure to use tires of the same type on the same axle If you install tir...

Page 245: ...cers replaced every time the tires are rotated Retightening Wheel Nuts Check the wheel nuts to make sure they are tightened to the specific torque by using a torque wrench Use the following methods to check loose wheel nuts The tightening torque of the wheel nuts may decrease after a tire change or rotation due to their initial settlement After driving 160 km 100 mi and after 1 600 km 1 000 mi be ...

Page 246: ... accelerate the vehicle slowly and drive at a speed suitable for road conditions generally 30 to 50 km h 20 to 30 mph Warning Refer to the instructions supplied with the chains Do not drive with a broken chain If there is chain failure stop immediately and repair or remove Avoid driving on bumpy road surfaces or over potholes Avoid sudden turns and braking Drive cautiously and lower speed to that ...

Page 247: ...rates extremely flammable hydrogen gas For this reason operations producing sparks or requiring the usage of an open flame must never be carried out near a vehicle battery Failure to observe this precaution can result in explosion if the hydrogen gas ignites Whenever wiping up battery fluid a damp cloth should be used Batteries produce explosive gases contain corrosive acid and supply levels of el...

Page 248: ...defects or other reproductive harm Wash hands after handling For more information go to www P65Warnings ca gov See the warning on the back cover If you notice battery fluid leaking have an inspection carried out immediately by the nearest dealer Diesel engine vehicles have more than one battery because of the higher torque required to start a diesel engine This procedure can be used to start a sin...

Page 249: ...ake sure the cables are not on or near pulleys fans or other parts that will move when the engine is started When it is difficult to start the engine in a cold area first start the engine of the vehicle with the booster battery or batteries and a few minutes after that start the engine of the disabled vehicle 5 After connecting the cables start the engine of the vehicle with the booster battery 6 ...

Page 250: ...th and or property damage Place the selector lever in the N Neutral position and tow for a maximum distance of 6 2 miles 10 km at speeds less than 25 MPH 40 km h Disconnect the axle shafts when towing to avoid damage to the transmission If at all possible the engine should be running if the vehicle is towed with all four wheels on the ground If the engine is not running The brakes will not work wh...

Page 251: ...ng Do not manually release the rear spring brake chambers if the vehicle is parked on a slope Releasing the rear spring chambers would disengage the parking brake and allow the vehicle to roll away which could result in serious personal injury death and or property damage Releasing a Spring Brake Chamber 1 Firmly chock the wheels 2 Remove the cap and insert the release bolt a tool normally stored ...

Page 252: ...o the exterior this material may react chemically with paint resulting in staining discoloration rusting or corrosion of components Also the material may become trapped within mechanical components adversely affecting their functions or forming an aerodynamic resistance In the following cases therefore the vehicle must be washed and all foreign matter removed When soot iron powder dead bugs bird d...

Page 253: ...Do not apply water to the engine compartment or at electrical components Failure to follow this advice can lead to a poorly starting and operating engine and problems in the electrical system Ensure that mirrors and the antenna are retracted before washing the vehicle Do not spray water on the exhaust or after treatment system while the engine is running Doing so may cause incorrect exhaust gas se...

Page 254: ...painted surfaces or plastic components The application of wax to rubber component surfaces can result in permanent whitening Warning Wax must not be applied to the windshield If applied it can result in an irregular reflection of light impairing your view Protecting Exterior Bright Metal Parts Bright metal parts should be cleaned regularly to keep their luster Washing with water is all that is usu...

Page 255: ...he blade by wiping with a cloth soaked in a solution of one half water and one half methanol alcohol Then rinse the blade with water The windshield wiper arms may be swung out away from the glass to provide easy access for cleaning In order to prevent damage or water leakage do not grip the roof marker lights while cleaning the windshield Handling the Radiator and Charge Air Cooler Cleaning the Ra...

Page 256: ...gned and built to resist corrosion Special materials and protective finishes were used on most parts of your vehicle when it was built to help maintain good appearance strength and reliable operation However some parts which normally are not visible such as those under the vehicle and under the hood are such that surface rust will not affect their reliability So corrosion protection is not needed ...

Page 257: ...d underneath the floor carpet Petroleum ether gasoline and other organic solvents should not be used to clean safety belts In addition safety belt webbing should be neither bleached nor redyed Failure to observe these precautions can lead to the performance or strength of the safety belts being impaired In the case of a collision therefore the safety belts could be insufficiently effective and ser...

Page 258: ...soilage all of which are more difficult to remove in a second cleaning Dust and loose dirt that collect on interior fabric should be removed often with a vacuum cleaner or soft bristle brush Wipe vinyl or leather trim regularly with a clean damp cloth Normal trim soils spots or stains can be cleaned with these cleaners Remember these basic steps before cleaning Remove stains as quickly as possible...

Page 259: ...easy or Oily Stains Includes grease oil butter margarine shoe polish coffee with cream chewing gum cosmetic creams vegetable oils wax crayon tar and asphalts Carefully scrape off excess stain then use solvent type cleaner Shoe polish wax crayons tar and asphalts will stain if left on trim they should be removed as soon as possible Use care as cleaner will dissolve them and may cause them to bleed ...

Page 260: ...ic vacuum cleaner Do not remove the carpet Use standard household cleaning products and methods to remove stains from food drink and the like Be sure to use neutral detergents or cleaning products indicated as higher alcohol based detergents Glass Surfaces Glass surfaces should be cleaned on a regular basis Use of glass cleaner or a liquid household glass cleaner will remove normal tobacco smoke a...

Page 261: ...rtant to keep the vehicle in good working condition Do not have chemical flushes that are not approved by GM performed on the vehicle The use of flushes solvents cleaners or lubricants that are not approved by GM could damage the vehicle requiring expensive repairs that are not covered by the vehicle warranty Make sure the vehicle is inspected at regular intervals Inspections and maintenance enabl...

Page 262: ...planation of normal vehicle use NORMAL VEHICLE USE The maintenance instructions contained in this section are based on the assumption that your vehicle will be used as designed To carry passengers and cargo with the limitations indicated on the VIN Weight Rating and Greenhouse Gas GHG Emissions Plate On reasonable road surfaces within legal operating limits On a daily basis as a general rule for a...

Page 263: ...ust be periodically checked and oil added whenever needed Also the oil should be changed at the intervals specified with the proper quality and viscosity of oil If your engine should run excessively low on oil or if the oil has lost its lubricating qualities because of old age serious engine damage could occur Power Take Off PTO and Extended Idle Use When the vehicle is used with the PTO equipment...

Page 264: ...s A 3 Engine oil and oil filter 2 6 See Maintenance Schedule for Engine Oil Filter 4 Oil catch cup I I I I I I I I I I I or every 12 months or 300 hours 5 Fuel filter 6 R or every 18 months or 2 000 hours 6 Pre fuel filter water separator Every 1 000 hours R 7 Air cleaner filter Replace per indicator 5 8 Damage to air intake ducts and hoses I I I I I I I I I I I or every 12 months 9 Drive belt coo...

Page 265: ...I I I I I I 16 Diesel Particle Filter DPF clean filter 6 Every 200 000 miles 320 000 km or 6 500 hours R 17 Fuel line system I I I I I I I I I I I or every 12 months 18 Brake lining for wear I I I I I I I I I I I 19 Brake drum for wear and damage I I I or every 12 months 20 Brake line and hoses I I I I I or every 12 months 21 Automatic transmission fluid 4 I I I I I I I I I I I 240 000 km 150 000 ...

Page 266: ...y 12 months 28 Drive shaft flange torque T 29 Drive shaft lubrication L L L L L or every 6 months 30 Steering shaft Every 5 000 km 3 000 miles L 31 Leaf spring U bolt torque 7 T T T T T T T T T T T 32 Air suspension s main support member nuts U bolt nuts 8 T T T T T T T T T T T or every 6 months 33 Rear shock absorber pin nuts 8 T T T T T or every 6 months 34 Loose or damaged air suspension main s...

Page 267: ... I I I I or every 6 months 42 Wheel nut torque 9 T T T T T T T T T T T 43 King pin L L L L L or every 6 months 44 Wheel hub bearing oil Front I I R I I R I I R I I or every time hubs are removed 45 Air conditioner blower filter Cleaned once a month 46 Exhaust injector I or every time hubs are removed 47 DEF tank filter element R R R or every 3 years 48 DEF quality sensor R R R R R or every 2 years...

Page 268: ...amber I I I I I I I I I I I or every 12 months 59 Air dryer R or every 3 years 60 Air compressor governor and unloader valve functions I I I or every 12 months Remarks 1 In case this column is blank follow kilometers miles 2 Use of oils other than CK 4 may require shorter maintenance intervals and may cause nonconformity to regulations Use of oils with other viscosity than W 40 may also require sh...

Page 269: ...ecessary Air intake system Every 16 000 km 10 000 miles Inspect all ducts hoses and intake silencers for leaks or chafing Repair or replace as necessary Exhaust system Every 16 000 km 10 000 miles Inspect silencer pipes gaskets clamps and mounting for exhaust gas leaks or looseness Repair or replace as necessary Cab Every 16 000 km 10 000 miles Inspect sound absorption materials for tears broken o...

Page 270: ...ing Fan Check belt driving the fan generator or A C compressor every 48 000 km 30 000 miles Look for cracks fraying wear and proper tension 10 Cooling Fan Belt Tensioner Check cooling fan belt tensioner every 48 000 km 30 000 miles or 12 months 11 Engine Cleaning Clean the engine every 96 000 km 60 000 miles See Cummins Owner s Manual for details 1 Front Wheels 2 Rear Wheels 12 Rotate Tires To equ...

Page 271: ...0 25 in 19 Brake Drum for Wear and Damage Check brake drums front and rear for wear or damage every 48 000 km 30 000 miles or 12 months whichever occurs first 20 Brake Line and Hoses Check lines and hoses for proper hook up binding leaks cracks chafing etc every 32 000 km 20 000 miles Any questionable parts should be replaced or repaired at once When rubbing or wear is noted on lines or hoses the ...

Page 272: ...122 Y 12 5 kgf m 90 lb ft 29 Driveshaft Lubrication Lubricate the universal joint and spline coupling every 6 months or 32 000 km 20 000 miles whichever occurs first 30 Steering Shaft Lubricate the steering column shaft grease fitting above the steering gear every 5 000 km 3 000 miles 31 Leaf Spring U bolt Torque Tighten the U Bolt nuts to the specified torque after the first 8 000 km 5000 miles t...

Page 273: ...t 37 Loose or Damaged Air Suspension Mounting Check the air suspension mounting after the first 1 600 km 1 000 miles thereafter every 32 000 km 20 000 miles or 6 months whichever occurs first 38 Air Spring Height Check the air spring height every 32 000 km 20 000 miles or 6 months whichever occurs first 39 Function of Leveling Valve Check the function of leveling valve every 32 000 km 20 000 miles...

Page 274: ...ow and the screen is selected When the indicator light amber comes on have the vehicle inspected serviced at the nearest dealer 51 Rear Spring Slip Pad Lubricate the grease fitting on the leaf springs every 8 000 km 5 000 miles or 12 months whichever occurs first 52 Function of Brake Valves Inspect the brake valve function every 16 000 km 10 000 miles or 12 months Check for movement cracks damage ...

Page 275: ...the air tank drain valve replace the dryer filter cartridge sooner 60 Air Compressor Governor and Unloader Valve Functions Inspect air compressor governor and unloader valve functions Start the engine and let it idle When the brake air pressure gauges reach 125 psi 5 psi check to see that the unloader valve has opened Press the brake pedal several times The unloader valve should close when the bra...

Page 276: ...Check Around the Vehicle Before Starting the Engine Before pulling away perform a thorough safety check making sure there are no children or obstructions around the vehicle Take off the chocks after confirming that the parking brake is securely applied Sit behind the wheel adjust the seat position and buckle up the seat belt The passengers are also required to buckle up the seat belts Adjust the p...

Page 277: ...aintenance in accordance with the findings of the inspections If an inspection reveals an abnormality or there was an abnormality the previous time the vehicle was driven have the vehicle repaired by the nearest dealer before it is driven again 1 Components that showed abnormalities during the previous operation Check components that showed abnormalities during the previous operation 2 Checks perf...

Page 278: ... put items that could roll which could interfere with your driving You and others could be seriously injured Choose Your Footwear Suitable for Driving Warning Choose footwear that ensures proper operation of pedals when driving the vehicle Use of footwear unsuitable for driving may cause an accident The driver could be seriously injured when not wearing the proper footwear Electrical System Follow...

Page 279: ... Way It is the owner s responsibility to maintain proper lubrication practices as recommended in the following pages Greasing Chassis Components The type characteristics of the grease specified for use with a chassis component differs from that of the grease specified for use with another component Be sure to use only the specified grease for each component and perform greasing according to the Ma...

Page 280: ...t and right 1 point each Apply sufficiently on the sliding surfaces of the spring Rear spring rear bracket slip pad left and right Lubricate so that the 3 locations on the rear spring rear bracket slip pad are covered Air brake slack adjuster clevis pin and camshaft 4 points each Each driveshaft universal joint must be greased heavily until grease oozes at the 4 needle bearing oil seal locations A...

Page 281: ...Chevrolet Low Cab Forward 6 7L Diesel Engine 6500XD GMNA Localizing U S 15749874 2022 CRC 12 1 21 280 Service and Maintenance Lubrication Chart ...

Page 282: ... Check that the indicator points to the gear chosen D Steering Be alert for any changes in steering action An inspection or service is needed when the steering wheel is harder to turn or has too much free play or when there are strange sounds when turning or parking E Wheel Alignment Balance and Tires Check tires for abnormal wear or damage Also check for damaged wheels A pull right or left on a s...

Page 283: ... identification and clearance lamps taillights brake lamps turn signals cornering lamps backup lamps and hazard warning flashers Have headlamp aim checked immediately if beams seem improperly aimed O Glass Mirrors Lights and or Reflectors Condition Look for broken scratched dirty or damaged glass mirrors lamps or reflectors that could reduce the view or visibility or cause injury Replace clean or ...

Page 284: ... temperature good quality lithium soap extreme pressure grease Diesel Exhaust Fluid DEF Use DEF that is certified by the American Petroleum Institute API Engine Coolant 50 50 mixture of clean drinkable water and GM extended life coolant See Engine Coolant 0 201 Engine Oil Use oils such as CK 4 API that meet the applicable Cummins CES 20086 standards To determine the preferred viscosity for your ve...

Page 285: ...ce Maintenance Replacement Parts Replacement Parts Please contact your dealer for genuine GM parts Warning If part replacement is necessary the part must be replaced with one of the same part number or with an equivalent part Use of a replacement part of lesser quality may result in personal injury or damage to the vehicle ...

Page 286: ...same measurements and strength as those removed whether metric or customary Fasteners taken from the vehicle should be saved for reuse in the same location when possible Where a fastener cannot be used again take care to choose a replacement that matches the old one For information and help see your dealer Warning This vehicle is primarily dimensioned in the metric system Most fasteners are metric...

Page 287: ...ne Drive Belt Routing 296 Vehicle Identification Vehicle Identification Number VIN The VIN and engine number are necessary for registering your vehicle They are also necessary when your vehicle undergoes official inspections Provide your dealer with these numbers when you are having the vehicle repaired or when ordering replacement parts The Dealer will be able to do the requested jobs more compet...

Page 288: ...gross axle weight ratings GAWRs as well as the VIN and emissions information for your vehicle This plate is located on the left side rear pillar panel below the striker The VIN is a legal identifier of your vehicle It not only appears on the VIN Weight Rating and Greenhouse Gas GHG Emissions plate but also on the vehicle title and registration The VIN specifically identifies a vehicle by code See ...

Page 289: ... N S A 0 0 0 0 1 1 2 3 4 5 6 7 8 9 10 11 Section Description 1 World Manufacturer Identifier WMI 2 GVWR and Brake System K 23 501 26 000 lbs full air brake system M 26 001 33 000 lbs full air brake system 3 Series Code 6 ISUZU 6500XD and 7500XD 4 Cab Type Code S Wide cab 81 inch bumper to back of cab BBC 5 Chassis Type Code 1 4 x 2 6 Engine Code F Cummins B6 7 7 Check Digit 8 Model Year Code N 202...

Page 290: ... Data 289 Section Description 10 Model Code A 6500XD B 7500XD 11 Sequence Numbers Interpretation of the VIN may differ depending on the vehicle For further details please ask your dealer Engine Dataplate 1 Engine serial number 2 Engine model information 3 Control parts list CPL 4 Valve lash overhead setting ...

Page 291: ...but may also be located on the side of the gear housing The engine serial number and Control Parts List CPL provide data for ordering parts and service Have the following engine data available when communicating with a Cummins Authorized Repair Location The information on the dataplate is mandatory when sourcing service parts Engine Number If the engine dataplate is not legible the number will be ...

Page 292: ...vice Manual covering the chassis or body part in question Your dealer may also be able to help Engine Specifications Description Water cooled overhead camshaft direct injection engine with a charge air cooled turbocharger Manufacturer Cummins Model 6 7L Diesel Engine Engine type Inline 6 Cylinder Induction Turbocharged W Charge Air Cooler Bore 107 mm Stroke 124 mm Displacement 6 686 L 407 CID Full...

Page 293: ...pacity 31 2 L 33 0 qt 2 Preheating system Grid heater Transmission Specifications Model ALLISON2550RDS Six speed automatic transmission overdrive gear for 5th and 6th lock up clutch for 2nd to 6th Gear ratio 1st 3 512 2nd 1 896 3rd 1 439 4th 1 000 5th 0 737 6th 0 643 Reverse 5 090 Transmission oil capacity 14 0 L 14 8 qt 1 Weights Axle weight rating Front Tire size 11R22 5 5 443 kg 12 000 lb Tire ...

Page 294: ...Radiator pressure 103 kPa 15 psi Transmission Model FTR 6500 XD model Transmission oil capacity 14 0 L 14 8 qt 3 Rear Axle Differential gear oil capacity 14 0 L 29 6 pt 4 Fuel Fuel tank capacity 6 201 L 50 0 gal 380 L 100 0 gal Diesel Exhaust Fluid DEF DEF tank capacity 37 8 L 80 0 pt Steering Steering wheel free play 10 60 mm 0 39 2 36 in Power steering fluid capacity 3 0 L 3 2 qt ...

Page 295: ... RH 0 44 to 0 44 ICaster 3 to 5 IKing pin LH 4 775 RH 5 25 Wheel hub bearing oil capacity 0 55 L 0 58 qt Wheel stud nut torque Front and rear 644 Y 475 lb ft Brakes Brake size Diameter x Thickness Front 419 1 x 127 mm 16 5 x 5 in Rear 419 1 x 178 mm 16 5 x 7 in Drum diameter Standard value 419 1 mm 16 5 in Usable limit 422 4 mm 16 63 in Shoe thickness Usable limit 6 35 mm 0 25 in ...

Page 296: ...s 1 see Engine Oil 0 195 Remarks 2 see Engine Coolant 0 201 Remarks 3 see Automatic Transmission Fluid 0 200 Remarks 4 see Rear Axle Gear Oil Viscosity Chart 0 214 or Rear Axle Oil Level Check 0 214 Remarks 5 only for vehicles equipped with optional limited slip differential Remarks 6 The fuel tank capacity is stated on a metal plate attached to the fuel tank body Only fill the tank to 95 percent ...

Page 297: ...is used for the fan belt This type of belt requires the tension to be adjusted more accurately than is required with the conventional V belt Inappropriate tension could cause the belt to make noise or break When the fan belt is damaged electricity is not properly generated or becomes a cause of engine overheating You must check the tension of the fan belt carefully Use dealer certified genuine par...

Page 298: ...sfaction the following steps should be taken STEP ONE Discuss your concern with a member of dealership management Normally concerns can be quickly resolved at that level If the matter has already been reviewed with the sales service or parts manager contact the owner of your dealership or the general manager STEP TWO If after contacting a member of dealership management it appears your concern can...

Page 299: ...ance schedules alerts and Vehicle Diagnostic Information Schedule service appointments I View service records from your dealership and add your own D Select a preferred dealer and view locations maps phone numbers and hours r Track your vehicle s warranty information J View active recalls by Vehicle Identification Number VIN See Vehicle Identification Number VIN 0 286 H Manage your profile and pay...

Page 300: ... reasons the driver must present identification before this service is given Emergency Tow from a Public Road or Highway Tow to the nearest Chevrolet dealer for warranty service or if the vehicle was in a crash and cannot be driven Assistance is not given when the vehicle is stuck in the sand mud or snow Flat Tire Change Service to change a flat tire with the spare tire The spare tire if equipped ...

Page 301: ...ited Warranty and any related failures are not covered by that warranty Aftermarket collision parts are also available These are made by companies other than GM and may not have been tested for the vehicle As a result these parts may fit poorly exhibit premature durability corrosion problems and may not perform properly in subsequent collisions Aftermarket parts are not covered by the GM New Vehic...

Page 302: ...of choice take the vehicle there or have it towed there Specify to the facility that any required replacement collision parts be original equipment parts either new Genuine GM parts or recycled original GM parts Remember recycled parts will not be covered by the GM vehicle warranty Insurance pays the bill for the repair but you must live with the repair Depending on your policy limits your insuran...

Page 303: ...CES GEN Operation is subject to the following two conditions 1 The device may not cause harmful interference 2 The device must accept any interference received including interference that may cause undesired operation of the device Changes or modifications to any of these systems by other than an authorized service facility could void authorization to use this equipment Reporting Safety Defects Re...

Page 304: ...nnector DLC is an access to diagnostic data Connection of a full time aftermarket device may cause driveability issues and in some cases cause the check engine malfunction indicator light to illuminate Cybersecurity GM collects information about the use of your vehicle including operational and safety related information We collect this information to provide evaluate improve and troubleshoot our ...

Page 305: ...Fixed Mast 75 Antilock Brake System ABS 171 Warning Light 53 Appearance Care Exterior 251 Interior 256 Assistance Program Roadside 298 Audio Bluetooth 90 Audio Players CD 75 Automatic Transmission 160 Transmission Fluid 200 Automatic Transmission Selector Lever 168 Shift Lock Control Function Check 216 Automatic Transmission Fluid Temperature Warning Light 54 Automatic Transmission Overdrive Off 1...

Page 306: ...function Indicator 51 Child Restraints Systems 32 Cleaning Exterior Care 251 Interior Care 256 Climate Control Systems 101 Air Conditioning 101 Heating 101 Cluster Instrument 47 Cold Weather Operation 180 Collision Damage Repair 300 Compartments Storage 35 Control of a Vehicle 109 Coolant Engine 201 Engine Temperature Gauge 49 Cooling 101 Cornering Lamps 69 Covers Winter 135 Cruise Control 177 Lig...

Page 307: ...uting 296 Exhaust 143 Heater 135 High Idle System 136 Oil Pressure Light 56 Overheating 204 Running While Parked 144 Shutdown Warning Light 57 Engines Diesel Fuel 180 Exhaust Brake 176 Exhaust Brake Light 53 Exhaust Fluid Diesel 150 Extender Seat Belt 30 Exterior Lamp Controls 67 F Filter 145 Fuel 213 Filter Engine Air Cleaner 200 Fixed Mast Antenna 75 Flash to Pass 68 Flashers Hazard Warning 68 F...

Page 308: ...136 Ignition Positions 130 Information Publication Ordering 301 Information on Loading the Vehicle 38 Instrument Cluster 47 Instrument Panel Storage Area 36 Instrument Panel Overview 6 8 Introduction 1 J Jump Starting North America 246 K Keyless Entry Remote RKE System 11 Keys 9 L Lamps Cargo 70 Cornering 69 Lamps cont d Dome 70 Exterior Controls 67 Interior 226 License Plate 226 Malfunction Indic...

Page 309: ... 195 Pressure Light 56 Online Owner Center 298 Operating Temperature 134 Outlets Power 45 Overdrive Off 170 Overdrive Off Light 54 Overheating Engine 204 Overview Instrument Panel 6 8 Owner Checks and Services 275 P Parking Brake 174 Over Things That Burn 138 Parking Brake Light 52 Parking Brake Not Set Warning Light 57 Passenger Compartment Air Filter 104 Pedals 130 Perchlorate Materials Requirem...

Page 310: ... Selector Lever 168 Service 106 Accessories and Modifications 188 Climate Control System 101 Doing Your Own Work 188 Scheduling Appointments 299 Transmission Warning Light 53 Shift Lock Control Function Check Automatic Transmission 216 Shopping Bag Hooks 38 Sidemarker Lamps 223 Signals Turn and Lane Change 69 Specifications and Capacities 291 Speedometer 47 Starting and Stopping the Vehicle 131 St...

Page 311: ...109 Getting In and Out 14 Identification Number VIN 286 Messages 61 Security 16 Starting and Stopping 131 Towing 249 Vehicle Care Tire Pressure 243 Vehicle Data Recording and Privacy 303 Ventilation Air 104 Visors 20 W Wait to Start Light 55 Warning Brake System Light 52 Caution and Danger 2 Warning Buzzers 65 Warning Lights Gauges and Indicators 47 Warnings Hazard Flashers 68 Washer Fluid 208 Wat...

Page 312: ...6 7L Diesel Engine 6500XD Low Cab Forward 6 7L Diesel Engine 6500XD Owner s Manual C M Y CM MY CY CMY K ai163758810411_22_CHEV_Low_Cab_Forward_Limited_6 7L_Diesel_Engine_6500_XD_COV_en_US_86775564A_2021DEC6 pdf 1 11 22 2021 8 35 05 AM ...

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