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GMC 2010 T-Series, Owner'S Manual

The GMC 2010 T-Series Owner's Manual is a comprehensive guide for owners of this powerful truck. Easily download the manual for free from 88.208.23.73:8080, it contains essential information on maintenance, operation, and troubleshooting. Equip yourself with all the necessary knowledge to keep your T-Series running smoothly.

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Section 3

Instrument Panel

Instrument Panel Overview

. . . . . . . . . . . . . . . . . . . . . . . . 3-4

Hazard Warning Flashers . . . . . . . . . . . . . . . . . . . . . . . 3-6
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Tilt Wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Turn Signal/Multifunction Lever . . . . . . . . . . . . . . . . . . 3-7
Turn and Lane-Change Signals . . . . . . . . . . . . . . . . . 3-8
Headlamp High/Low-Beam Changer . . . . . . . . . . . . 3-8
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
Windshield Wipers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Windshield Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Cruise Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Headlamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
Headlamps on Reminder . . . . . . . . . . . . . . . . . . . . . . 3-13
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . 3-13
Marker Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14
Instrument Panel Brightness . . . . . . . . . . . . . . . . . . . 3-15
Dome Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
Rear Reading Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
Auxiliary Power Jacks . . . . . . . . . . . . . . . . . . . . . . . . . 3-16
Ashtray(s) and Cigarette Lighter . . . . . . . . . . . . . . . 3-16

Climate Controls

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17

Climate Control System . . . . . . . . . . . . . . . . . . . . . . . . 3-17
Outlet Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18
Passenger Compartment Air Filter . . . . . . . . . . . . . 3-19

Warning Lights, Gages, and Indicators

. . . . . . . . . . 3-20

Instrument Panel Cluster . . . . . . . . . . . . . . . . . . . . . . . 3-21
Speedometer and Odometer . . . . . . . . . . . . . . . . . . . 3-22
Trip Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22
Tachometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22
Engine Speed Limiter . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22
Safety Belt Reminders . . . . . . . . . . . . . . . . . . . . . . . . . 3-23
Charging System Light . . . . . . . . . . . . . . . . . . . . . . . . 3-24
Voltmeter Gage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-24
Service Transmission Warning Light . . . . . . . . . . . 3-25
Range Inhibit Warning Indicator . . . . . . . . . . . . . . . . 3-25
Brake System Warning Light . . . . . . . . . . . . . . . . . . . 3-25
Antilock Brake System (ABS) Warning Light . . . 3-28
Trailer Antilock Brake System Warning Light . . . 3-28
Traction Control System (TCS) Active Light . . . . 3-29
Engine Coolant Temperature Gage . . . . . . . . . . . . 3-29
Low Coolant Warning Light . . . . . . . . . . . . . . . . . . . . 3-30
Wait to Start Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-30
Malfunction Indicator Lamp . . . . . . . . . . . . . . . . . . . . 3-31
Oil Pressure Gage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33
Low Oil Level Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-34
Change Engine Oil Light . . . . . . . . . . . . . . . . . . . . . . . 3-34
Engine Overspeed Warning Light . . . . . . . . . . . . . . 3-35
Engine Shutdown Warning Light . . . . . . . . . . . . . . . 3-35

3-1

Summary of Contents for 2010 T-Series

Page 1: ...Driving the Road and the Vehicle 4 2 Towing 4 20 Service and Appearance Care 5 1 Service 5 3 Fuel 5 7 Checking Things Under the Hood 5 16 Rear Axle 5 46 Cab Tilting 5 47 Noise Control System 5 54 Bul...

Page 2: ...r GMC wherever it appears in this manual Keep this manual in the vehicle for quick reference Canadian Owners Propri taires Canadiens A French language copy of this manual can be obtained from your dea...

Page 3: ...ult in property or vehicle damage This would not be covered by the vehicle s warranty 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 Ve...

Page 4: ...Audio Steering Wheel Controls or OnStar Brake System Warning Light Charging System I Cruise Control B Engine Coolant Temperature O Exterior Lamps Fog Lamps Fuel Gage Fuses i Headlamp High Low Beam Cha...

Page 5: ...y 1 12 Lap Shoulder Belt 1 21 Safety Belt Use During Pregnancy 1 23 Lap Belt 1 24 Safety Belt Extender 1 25 Child Restraints 1 25 Older Children 1 25 Infants and Young Children 1 28 Child Restraint Sy...

Page 6: ...ent could startle and confuse you or make you push a pedal when you do not want to Adjust the driver s seat only when the vehicle is not moving Slide lever A to the left to unlock the seat and slide t...

Page 7: ...umbar To get more support in the lumbar area of your back turn the lumbar adjustment knob The knob is located on the inboard side of the driver s seatback and the outboard side of the passenger s seat...

Page 8: ...s seat while the vehicle is moving The sudden movement could startle and confuse you or make you push a pedal when you do not want to Adjust the driver s seat only when the vehicle is not moving To t...

Page 9: ...your pelvic bones This could cause serious internal injuries For proper protection when the vehicle is in motion have the seatback upright Then sit well back in the seat and wear your safety belt prop...

Page 10: ...the lever located on the right side of the seat Then lower the seatback forward and push down firmly to lock in position A storage compartment is located on the rear of the seatback for use when the...

Page 11: ...be seriously injured or killed In the same crash you might not be if you are buckled up Always fasten your safety belt and check that your passenger s are restrained properly too WARNING It is extreme...

Page 12: ...ven buckled up a person would not survive But most crashes are in between In many of them people who buckle up can survive and sometimes walk away Without belts they could have been badly hurt or kill...

Page 13: ...Put someone on it Get it up to speed Then stop the vehicle The rider does not stop 1 9...

Page 14: ...The person keeps going until stopped by something In a real vehicle it could be the windshield or the instrument panel 1 10...

Page 15: ...e such good sense Questions and Answers About Safety Belts Q Will I be trapped in the vehicle after a crash if I am wearing a safety belt A You could be whether you are wearing a safety belt or not Bu...

Page 16: ...for people of adult size Be aware that there are special things to know about safety belts and children And there are different rules for smaller children and infants If a child will be riding in the...

Page 17: ...the strong pelvic bones and you would be less likely to slide under the lap belt If you slid under it the belt would apply force on your abdomen This could cause serious or even fatal injuries The sho...

Page 18: ...o loose It will not give as much protection this way WARNING You can be seriously hurt if your shoulder belt is too loose In a crash you would move forward too much which could increase injury The sho...

Page 19: ...tection this way WARNING You can be seriously hurt if your lap belt is too loose In a crash you could slide under the lap belt and apply force on your abdomen This could cause serious or even fatal in...

Page 20: ...an be seriously injured if your belt is buckled in the wrong place like this In a crash the belt would go up over your abdomen The belt forces would be there not on the pelvic bones This could cause s...

Page 21: ...red if your belt goes over an armrest like this The belt would be much too high In a crash you can slide under the belt The belt force would then be applied on the abdomen not on the pelvic bones and...

Page 22: ...houlder belt under your arm In a crash your body would move too far forward which would increase the chance of head and neck injury Also the belt would apply too much force to the ribs which are not a...

Page 23: ...sh you would not be restrained by the shoulder belt Your body could move too far forward increasing the chance of head and neck injury You might also slide under the lap belt The belt force would then...

Page 24: ...ss the body WARNING You can be seriously injured by a twisted belt In a crash you would not have the full width of the belt to spread impact forces If a belt is twisted make it straight so it can work...

Page 25: ...ap shoulder belt may lock if you pull the belt across you very quickly If this happens let the belt go back slightly to unlock it Then pull the belt across you more slowly 3 Push the latch plate into...

Page 26: ...h the latch plate to fully tighten the lap belt on smaller occupants To unlatch the belt push the button on the buckle The belt should return to its stowed position Before a door is closed be sure the...

Page 27: ...oulder belt guide After the adjuster is set to the desired position try to move it down without pressing the release button to make sure it has locked into position Safety Belt Use During Pregnancy Sa...

Page 28: ...ch has no retractor To make the belt longer tilt the latch plate and pull it along the belt Buckle position and release it the same way as the lap part of a lap shoulder belt To make the belt shorter...

Page 29: ...ll 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 securin...

Page 30: ...r way to wear safety belts A An older child should wear a lap shoulder belt and get the additional restraint a shoulder belt can provide The shoulder belt should not cross the face or neck The lap bel...

Page 31: ...crash the child would not be restrained by the shoulder belt The child could move too far forward increasing the chance of Continued WARNING Continued head and neck injury The child might also slide...

Page 32: ...ty belts Airbags plus lap shoulder belts offer protection for adults and older children but not for young children and infants Neither the vehicle s safety belt system nor its airbag system is designe...

Page 33: ...facing child restraint in the right front seat Secure a rear facing child restraint Continued WARNING Continued in a rear seat It is also better to secure a forward facing child restraint in a rear s...

Page 34: ...restraints available for children with special needs WARNING To reduce the risk of neck and head injury during a crash infants need complete support This is because an infant s neck is not fully devel...

Page 35: ...olds the infant in place and in a crash acts to keep the infant positioned in the restraint A forward facing child seat B provides restraint for the child s body with the harness A booster seat C D is...

Page 36: ...t is not properly secured in the vehicle When securing an add on child restraint refer to the instructions that come with the restraint which may be on the restraint itself or in a booklet or both and...

Page 37: ...e anchored A national or local law may require that the top tether be anchored In Canada the law requires that forward facing child restraints have a top tether and that the tether be attached Your ve...

Page 38: ...straint Secure the child in the child restraint when and as the instructions say But do not use this position if the child restraint interferes with shifting gears There are no top tether anchors in t...

Page 39: ...he belt by pulling its free end while you push down on the child restraint If you are using a forward facing child restraint you may find it helpful to use your knee to push down on the child restrain...

Page 40: ...lts clean and dry See Care of Safety Belts on page 5 71 Replacing Restraint System Parts After a Crash WARNING A crash can damage the restraint systems in your vehicle A damaged restraint system may n...

Page 41: ...iesel Engine Exhaust Brake 2 16 Automatic Transmission Operation 2 16 Automatic Transmission Third Gear Hold 2 18 Manual Transmission Operation 2 18 Power Take Off PTO 2 20 Parking 2 20 Two Speed Rear...

Page 42: ...seriously injured or killed if caught in the path of a closing window Do not leave the keys in a vehicle with children The key can be used for the ignition switch and all locks The key has a code on i...

Page 43: ...whenever the vehicle is driven Young children who get into unlocked vehicles may be unable to get out A child can be overcome by extreme heat and can suffer permanent injuries or even death from heat...

Page 44: ...pets in a vehicle with the windows closed is dangerous They can be overcome by the extreme heat and suffer permanent injuries or even death from heat stroke Never leave a child a helpless adult or a p...

Page 45: ...the ignition is in ACC ACCESSORY or ON RUN Power Window Lock Switch Pressing the power window lock switch once locks the passenger side window and prevents it from opening or closing Pressing the swit...

Page 46: ...aned WARNING Never open the passenger side door glass with the ignition on You can be injured if the window linkage moves Open this glass only with the ignition off To open the window cover pull on th...

Page 47: ...nings are not yet broken in Hard stops with new linings can mean premature wear and earlier replacement Follow this breaking in guideline every time you get new brake linings Use the lowest gear you c...

Page 48: ...engine off the battery could be drained You may not be able to start the vehicle if the battery is allowed to drain for an extended period of time START This is the position that starts the engine Wh...

Page 49: ...does not start after 15 seconds of cranking turn the ignition key to LOCK OFF Wait one minute for the starter to cool then try the same steps again When the engine is cold let it run for a few minutes...

Page 50: ...ure you are using the proper fuel for existing weather conditions See What Fuel to Use in The U S on page 5 7 or What Fuel to Use in Canada and Mexico on page 5 9 If the engine starts runs a short tim...

Page 51: ...If the parking brake is not engaged then the engine shuts down after 15 minutes of continuous idling operation The driver can reset the engine shutdown timer by momentarily changing the position of th...

Page 52: ...the engine or turn it to LOCK OFF to prevent the battery from draining High Idle System Manual High Idle System If the vehicle has this feature the manual high idle button is located in the instrument...

Page 53: ...e Indicator Light on page 3 35 for more information When the engine coolant temperature is below 149 F 65 C and the outside temperature is below 50 F 10 C the exhaust restrictor will come on within 60...

Page 54: ...uld come on when the ignition key is turned to ON RUN or START and should go out when the engine is running above idle If the light does not go out or comes back on during normal engine operation have...

Page 55: ...ug it into a normal grounded 110 volt AC outlet WARNING Plugging the cord into an ungrounded outlet could cause an electrical shock Also the wrong kind of extension cord could overheat and cause a fir...

Page 56: ...he gear range selected is the lowest possible range that does not allow the engine rpm to exceed 2500 rpm If you have an automatic transmission and press this button the transmission will downshift to...

Page 57: ...airly level ground always set the parking brake WARNING Shifting into a drive gear while the engine is running at high speed is dangerous Unless your foot is firmly on the brake pedal the vehicle coul...

Page 58: ...ual Transmission Operation Using the Clutch When you are starting to move the vehicle it is important to begin with the engine speed at idle Then start to engage the clutch and listen for an engine sp...

Page 59: ...he engine until the engine rpm and road speed match Then quickly disengage the clutch and move the shift lever to the next gear position and engage the clutch Clutch Brake Vehicles with Non Synchroniz...

Page 60: ...t can roll If you have left the engine running it can move very quickly You or others could be injured To be sure the vehicle will not move even when you are on level ground follow the steps below Par...

Page 61: ...ving in Low Range above 50 mph 80 5 kph will damage driveline components Drive below 50 mph 80 5 kph in Low Range If the vehicle has this feature there is a label on the headliner above the windshield...

Page 62: ...op of the switch to shift from High to Low Range 2 Release the accelerator pedal 3 Then push the accelerator pedal slowly until the axle shifts Split Upshift Manual Transmissions Only To downshift the...

Page 63: ...m Warning Light on page 3 25 for more information Then shift the transmission to N Neutral for a manual transmission or P Park for an automatic transmission The vehicle must be stationary when applyin...

Page 64: ...warning light is off before driving Parking Brake With Air Brakes If the vehicle has air brakes you will have this parking brake It is located above the radio on the instrument panel Pulling it out ap...

Page 65: ...must be pulled out WARNING If you apply any one of the air brake parking controls while the vehicle is moving the rig will stop suddenly If you are not ready for this you or others could be injured D...

Page 66: ...is fully released and the brake warning light is off before driving Air Suspension The vehicle may have the Hendrickson HAS Series single axle air suspension which is designed for a single axle on hi...

Page 67: ...underbody airflow or tail pipes Continued WARNING Continued The exhaust smells or sounds strange or different The exhaust system leaks due to corrosion or damage The vehicle s exhaust system has been...

Page 68: ...operation and miles driven are monitored by the Engine Control Module ECM The self cleaning occurs approximately once per tank of fuel During cleaning the green DPF indicator light will come on See Di...

Page 69: ...use filter damage Vehicles with DPF have specific fuel and engine oil requirements See What Fuel to Use in The U S on page 5 7 or What Fuel to Use in Canada and Mexico on page 5 9 and Engine Oil on pa...

Page 70: ...anual cleaning is started complete the cleaning in a single operation if possible If manual cleaning is not completed as indicated by the green DPF indicator going off and the yellow or red indicator...

Page 71: ...vehicle unattended during manual cleaning 9 When both the green and the yellow or red DPF indicator lights go off manual cleaning is completed Manual cleaning is normally completed in about 30 minute...

Page 72: ...mation see Engine Exhaust on page 2 27 WARNING It can be dangerous to get out of the vehicle if the automatic transmission shift lever is not fully in P Park with the parking brake firmly set The vehi...

Page 73: ...an be folded in to enter narrow passageways If the mirrors have the clearance lamps they will be on when the headlamps or parking lamps are on Outside Convex Mirrors WARNING A convex mirror can make t...

Page 74: ...ndicator light will come on and stay on whenever the outside heated rearview mirrors are activated Storage Areas Overhead Storage An overhead storage compartment is provided above each of the driver a...

Page 75: ...ess the compartment you must first pull down on the handle located on the passenger side to fold the seat all the way forward To open squeeze both sides of the latch Center Console Storage There are a...

Page 76: ...2 NOTES 2 36...

Page 77: ...assenger Compartment Air Filter 3 19 Warning Lights Gages and Indicators 3 20 Instrument Panel Cluster 3 21 Speedometer and Odometer 3 22 Trip Odometer 3 22 Tachometer 3 22 Engine Speed Limiter 3 22 S...

Page 78: ...beam On Light 3 36 Daytime Running Lamps DRL Indicator Light 3 36 Check Gages Warning Light 3 37 Fuel Gage 3 37 Water in Fuel Warning Light 3 38 Diesel Particulate Filter Warning Light 3 38 Air Pressu...

Page 79: ...2 NOTES 3 3...

Page 80: ...Instrument Panel Overview 3 4...

Page 81: ...L Tilt Steering Column See Tilt Wheel on page 3 6 M Horn on page 3 6 N Air Brake Controls If Equipped See Parking Brake With Hydraulic Brakes on page 2 23 or Parking Brake With Air Brakes on page 2 2...

Page 82: ...Move the lever down again to turn the flashers off When the hazard warning flashers are on the turn signals will not work The hazard warning flashers will not flash if the brakes are applied Horn Sou...

Page 83: ...lt steering column while driving Turn Signal Multifunction Lever The multifunction lever located on the left side of the steering column includes the following G Turn and Lane Change Signals 3 Headlam...

Page 84: ...on page 5 77 Headlamp High Low Beam Changer Push the multifunction lever toward the instrument panel to change the headlamps from low to high beam To return to low beam headlamps pull the multifunctio...

Page 85: ...of the lever the shorter the delay R Slow wipes RR Fast wipes Clear ice and snow from the wiper blades before using them If the wipers are frozen to the windshield carefully loosen or thaw them If th...

Page 86: ...work at speeds below about 40 km h 25 mph For vehicles with this feature the cruise controls are located on the multifunction lever on the left side of the steering column If the vehicle has a automa...

Page 87: ...use cruise control 1 Press the J button to turn the cruise control on The light inside the switch will turn on 2 Get up to the desired speed 3 Press in the J SET button at the end of the lever and re...

Page 88: ...this is done the vehicle goes about 1 6 km h 1 mph slower Passing Another Vehicle While Using Cruise Control Use the accelerator pedal to increase your vehicle s speed When you take your foot off the...

Page 89: ...ker protects the headlamps If there is an electrical overload the headlamps will flicker on and off Have the headlamp wiring checked right away if this ever happens Headlamps on Reminder For vehicles...

Page 90: ...DRL To idle the vehicle with the DRL off set the parking brake The DRL stays off until the parking brake is released Turn the regular headlamp system on when needed Marker Lamps For vehicles designed...

Page 91: ...r is opened ON The dome lamp remains on whether or not the door is open Rear Reading Lamps For vehicles with a rear lamp button it is located on the lower left side of the instrument panel See Instrum...

Page 92: ...ray s and Cigarette Lighter For vehicles with an ashtray and a cigarette lighter they are located in the center floor console To open the removable ashtray flip open the top Notice If papers pins or o...

Page 93: ...ss the air delivery mode buttons to change the direction of the airflow inside the vehicle To change the current mode select from the following H Vent Air is directed to the instrument panel outlets B...

Page 94: ...iods of time may cause the air inside of the vehicle to become too dry To prevent this from happening after the air in the vehicle has cooled turn the recirculation mode off The air conditioning syste...

Page 95: ...dicate that the filter needs to be inspected and cleaned The passenger compartment air filter can be accessed from the outside of the vehicle on the front passenger side It is concealed by the front a...

Page 96: ...hen there might be or there is a problem with one of the vehicle s functions Some warning lights come on briefly when the engine is started to indicate they are working Gages can indicate when there m...

Page 97: ...er is designed to let you know at a glance how your vehicle is running You will know how fast you are going about how much fuel is left and many other things you will need to drive safely and economic...

Page 98: ...reset button located to the right of the trip odometer to toggle between the trip odometer and the regular odometer Holding the reset button for two seconds while the engine is running and the trip o...

Page 99: ...bel on the headliner of your vehicle with more information on your engine road speed governor See your dealer for assistance with programming your engine limited speed Safety Belt Reminders Safety Bel...

Page 100: ...lt in a lack of back up braking if the engine quits or the power steering pump should fail Voltmeter Gage When your engine is running the voltmeter gage shows the charging system voltage Readings in e...

Page 101: ...rs the vehicle may not continue to move Do not attempt to shift gears while the transmission warning light is on Instead drive directly to an authorized dealer for service If you cannot drive to a dea...

Page 102: ...hen you are turning and braking at the same time This is normal See Hydraulic Brake Systems under Braking on page 4 4 If this light comes on it means there may be a problem with the brake system When...

Page 103: ...opped below 60 psi 410 kPa When the warning light comes on while you are driving you should drive only as far as the nearest point of safety and then stop the vehicle WARNING If the air brake system w...

Page 104: ...not have antilock brakes and there is a problem with your regular brakes See Brake System Warning Light on page 3 25 and Antilock Brake System ABS on page 4 5 for more information Trailer Antilock Bra...

Page 105: ...ew seconds after the system stops limiting wheel spin See Traction Control System TCS on page 4 7 for more information Engine Coolant Temperature Gage United States Canada This gage shows the engine c...

Page 106: ...This light may also come on if your vehicle has the automatic engine shutdown system and engine shutdown has begun See Engine Alarm and Automatic Shutdown on page 2 10 for more information Wait to Sta...

Page 107: ...t repaired Notice If the vehicle is continually driven with this light on after a while the emission controls might not work as well the vehicle s fuel economy might not be as good and the engine migh...

Page 108: ...ny mechanical or electrical problems that might have developed Emissions Inspection and Maintenance Programs Some state provincial and local governments have or might begin programs to inspect the emi...

Page 109: ...480 kPa A reading in the low pressure zone may be caused by a dangerously low oil level or other problem See Engine Oil on page 5 16 and Scheduled Maintenance on page 6 5 for more information WARNING...

Page 110: ...e the engine The repairs would not be covered by the vehicle warranty Always follow the maintenance schedule in this manual for changing engine oil Change Engine Oil Light Your vehicle may have a chan...

Page 111: ...utdown is active See Engine Alarm and Automatic Shutdown on page 2 10 for more information Exhaust Brake Indicator Light For vehicles with an exhaust brake this light is located above the climate cont...

Page 112: ...ion The performance may be reduced the next time the vehicle is driven The vehicle may be driven at a slower speed while the reduced engine power light is on but acceleration and speed may be limited...

Page 113: ...is light may also come on if your vehicle is has automatic engine shutdown system and engine shutdown has begun See Engine Alarm and Automatic Shutdown on page 2 10 Fuel Gage Your fuel gage is located...

Page 114: ...ion on how this light works see Water in Fuel on page 5 10 Diesel Particulate Filter Warning Light Your vehicle may have two Diesel Particulate Filter DPF Warning lights These lights will come on brie...

Page 115: ...ough air if you need to apply your brakes Hourmeter Gage To access the engine hourmeter gage press the trip odometer button three times The instrument panel cluster displays the accumulated engine run...

Page 116: ...ments and preset radio stations For more information see Defensive Driving on page 4 2 Notice Contact your dealer retailer before adding any equipment Adding audio or communication equipment could int...

Page 117: ...en the function mode is displayed the radio and CD player can be used Current radio and CD player function information is displayed on the screen The alarm time setting works even when a key is in the...

Page 118: ...AM can be programed on the six numbered pushbuttons by performing the following steps 1 Press FM AM to select FM1 FM2 or AM 2 Tune in the desired station by pressing the y z arrows 3 Press and hold on...

Page 119: ...rrow to change the hour 4 Press the down tuning arrow to change the minutes After setting the alarm the display changes back to the current time 5 Press the alarm button again and the alarm symbol dis...

Page 120: ...g process starts from the center to the edge Care of Your CD Player Do not add any label to a CD it could get caught in the CD player If a CD is recorded on a personal computer and a description label...

Page 121: ...ain to stop scanning CD Press to listen to a CD when the radio is playing FM AM Press to listen to the radio when a CD is playing The inactive CD remains inside the radio for future listening DISP Whi...

Page 122: ...r FM especially at night The longer range can cause station frequencies to interfere with each other For better radio reception most AM radio stations boost the power levels during the day and then re...

Page 123: ...alve 4 6 Rear Axle Differential Lock Control 4 6 Traction Control System TCS 4 7 Steering 4 8 Off Road Recovery 4 10 Passing 4 10 Loss of Control 4 11 Driving at Night 4 12 Driving in Rain and on Wet...

Page 124: ...the vehicle s tires with the same TPC Spec number molded into the tire s sidewall near the size Follow recommended scheduled maintenance Defensive Driving Defensive driving means always expect the une...

Page 125: ...or vehicle related deaths have been associated with the use of alcohol with about 250 000 people injured For persons under 21 it is against the law in every U S state to drink alcohol There are good m...

Page 126: ...s is a mistake The brakes might not have time to cool between hard stops The brakes will wear out much faster with a lot of heavy braking Keeping pace with the traffic and allowing realistic following...

Page 127: ...t to stop rolling the computer will separately work the brakes at each wheel ABS can change the brake pressure to each wheel as required faster than any driver could This can help the driver steer aro...

Page 128: ...ill WARNING Using the trailer brake hand control for parking or for holding the vehicle on a hill may not keep the vehicle from rolling This can happen if someone hits the valve by accident or if air...

Page 129: ...ormal TCS will function at speeds up to about 25 mph 42 km h TCS may operate on dry roads under some conditions When this happens a reduction in acceleration may be noticed This is normal and doesn t...

Page 130: ...cle can be steered but it will take more effort On vehicles with hydraulic brakes the power steering and main hydraulic brake system both use the power steering pump See Braking on page 4 4 Steering T...

Page 131: ...mergencies like these First apply the brakes See Braking on page 4 4 It is better to remove as much speed as possible from a collision Then steer around the problem to the left or right depending on t...

Page 132: ...sing Passing another vehicle on a two lane road can be dangerous To reduce the risk of danger while passing A vehicle like yours takes a longer time to reach passing speed so you will need a longer st...

Page 133: ...m or if the system is off then an acceleration skid is best handled by easing your foot off the accelerator pedal Of course traction is reduced when water snow ice gravel or other material is on the r...

Page 134: ...your eyes moving especially during turns or curves No one can see as well at night as in the daytime But as we get older these differences increase A 50 year old driver might need at least twice as m...

Page 135: ...and fast rule about hydroplaning The best advice is to slow down when the road is wet Other Rainy Weather Tips Besides slowing down other wet weather driving tips include Allow extra following distanc...

Page 136: ...assist the brakes on a steep downhill slope WARNING Coasting downhill in N Neutral or with the ignition off is dangerous The brakes will have to do all the work of slowing down and they could get so...

Page 137: ...he surface under the tires even more If the vehicle has the Traction Control System TCS on page 4 7 it improves the ability to accelerate on slippery roads but slow down and adjust your driving to the...

Page 138: ...to time to be sure snow does not collect there Continued WARNING Continued Open a window about 5 cm two inches on the side of the vehicle that is away from the wind to bring in fresh air Fully open t...

Page 139: ...y for the traction system to free the vehicle turn the traction system off and use the rocking method WARNING If you let your vehicle s tires spin at high speed they can explode and you or others coul...

Page 140: ...nufacturer to install a Certification label on your vehicle This label shows how much weight your vehicle can properly carry It may also show the size of the vehicle s original tires and the inflation...

Page 141: ...ght way Notice Overloading the vehicle may cause damage Repairs would not be covered by the vehicle warranty Do not overload the vehicle If you put things inside your vehicle like suitcases tools pack...

Page 142: ...ually compressed you will have no brakes Release your air operated parking brakes manually only to tow the vehicle Never drive the vehicle with the brakes released Consult your dealer retailer or a pr...

Page 143: ...g the lever to the fully released position If there is damage or suspected damage to the axle s remove the axle shafts Cover the hub openings to prevent the loss of lubricant or entry of dirt or forei...

Page 144: ...r the crossmember After Towing 1 Block the rear wheels and install the propshafts 2 Check for proper phasing of universal joints 3 Apply the emergency brake system before disconnecting from the towing...

Page 145: ...ial towing problem If the vehicle has to be towed because of a complete loss of air pressure from both systems the parking brakes will have automatically engaged The tow operator can release the brake...

Page 146: ...brakes Follow the same procedure to release the other brake or brakes 7 At the repair facility apply air pressure of at least 70 psi 480 kPa to the brake chambers either from an external air supply or...

Page 147: ...that will connect to the trailer supplying power to the trailer s lighting system When not in use it is stored in the trailer air hose storage bracket Heavy Duty Trailer Wiring Package The vehicle ma...

Page 148: ...2 NOTES 4 26...

Page 149: ...Life System 5 19 Engine Air Cleaner Filter 5 21 Automatic Transmission Fluid 5 23 Manual Transmission Fluid 5 23 Hydraulic Clutch 5 24 Cooling System 5 25 Engine Coolant 5 26 Engine Overheating 5 29 P...

Page 150: ...Exterior Lamps Lenses 5 72 Finish Care 5 72 Windshield and Wiper Blades 5 73 Aluminum Wheels 5 74 Tires 5 74 Sheet Metal Damage 5 74 Finish Damage 5 75 Underbody Maintenance 5 75 Chemical Paint Spott...

Page 151: ...er accessories could even cause malfunction or damage to parts and systems and would not be covered by the vehicle warranty Damage to vehicle components resulting from the installation or use of non G...

Page 152: ...ansmission and drivetrain Damage failure or reduced life of the engine transmission emission system drivetrain or other vehicle components caused by aftermarket engine performance enhancement products...

Page 153: ...o service the vehicle Be sure to use the proper nuts bolts and other fasteners English and metric fasteners can be easily confused If the wrong fasteners are used parts can later break or fall off You...

Page 154: ...ehicle Do not change the fan drive ratio or increase the governed speed of the vehicle without getting the necessary information from your dealer retailer Continued WARNING Continued Winter Fronts Gri...

Page 155: ...Fuel on page 5 14 tells you how to restart the engine What Fuel to Use in The U S Notice Use of diesel fuel other than Ultra Low Sulfur Diesel 15 ppm sulfur maximum will cause permanent damage to the...

Page 156: ...oncentration i e greater than B5 biodiesel containing fuels or the use of unmodified bio oils blended into diesel fuel at any concentration is not recommended and could damage the fuel system and engi...

Page 157: ...r Canadian fuels are blended for seasonal changes Diesel Type A fuel is blended for better cold weather starting below 18 C or 0 F however you might notice some power and fuel economy loss If Type A f...

Page 158: ...the diesel fuel and the weather is warm or humid fungus and bacteria can grow in the fuel They can damage the fuel system A diesel fuel biocide can be used to sterilize the fuel system However the fu...

Page 159: ...arge amount of water was possibly pumped into the fuel tank Fuel tank purging is required See your dealer retailer for assistance Notice Driving when this warning indicator is on can damage the fuel i...

Page 160: ...e priming procedure See Fuel Priming 10 Start the engine and check that there are no leaks If the water in fuel light comes on again after driving a short distance or if the engine runs rough or stall...

Page 161: ...e becomes firm This may take from 20 to 100 times depending upon fuel tank location 7 Turn the fuel filter breather valve screw left counterclockwise several turns to open the breather valve 8 Use the...

Page 162: ...accelerator pedal This will help force air through the system The service engine soon light may come on if the vehicle has run out of fuel This light may stay on for a few drive cycles after the condi...

Page 163: ...ou get the wrong type it may not fit properly This may cause the malfunction indicator lamp to light and may damage the fuel tank and emissions system See Malfunction Indicator Lamp on page 3 31 Filli...

Page 164: ...ting temperature and the oil is warm turn off the engine and allow at least five minutes for the oil to drain back into the oil pan If this is not done the oil dipstick might not show the actual level...

Page 165: ...ch oil that the oil level reaches the wider portion A on the dipstick the engine oil must be changed as soon as possible or the engine could be damaged If the oil is below the ADD mark C on the dipsti...

Page 166: ...titute API designations such as API CJ 4 SL These letters show API levels of quality SAE 10W 40 or SAE 15W 40 SAE 10W 40 or SAE 15W 40 is best for the vehicle When it is very cold below 18 C 0 F use S...

Page 167: ...ne Oil Life System Change the engine oil and filter every 24 000 km 15 000 miles or every 12 months or every 750 hours of engine operation whichever occurs first If the vehicle is used primarily for l...

Page 168: ...eset accidentally the oil must be changed at 5 000 km 3 000 miles or 150 hours of engine operation whichever occurs first since the last oil change Remember to reset the oil life system whenever the o...

Page 169: ...ne oil See the manufacturer s warnings about the use and disposal of oil products Used oil can be a threat to the environment If you change your own oil be sure to drain all the oil from the filter be...

Page 170: ...d orange change zone replace the filter and reset the indicator To inspect the air cleaner filter remove the filter from the vehicle and lightly shake the filter to release loose dust and dirt If the...

Page 171: ...transmission fluid level is when the engine oil is checked See your Allison Automatic Transmission Operator s Manual to find out when to change your transmission fluid and filters How to Check and Wh...

Page 172: ...nd of fluid to use See Part C Recommended Fluids and Lubricants on page 6 28 How to Add Fluid To add transmission fluid do the following 1 Remove the filler plug 2 Add fluid at the filler plug hole Ad...

Page 173: ...even when the engine is not running and can cause injury Keep hands clothing and tools away from any underhood electric fan WARNING Heater and radiator hoses and other engine parts can be very hot Do...

Page 174: ...d be burned Use a 50 50 mixture of clean drinkable water and DEX COOL coolant Use a 50 50 mixture of clean drinkable water and DEX COOL coolant If using this mixture nothing else needs to be added Thi...

Page 175: ...When your engine is cold the coolant level should be at the COLD FILL mark or higher Check to see if coolant is visible in the coolant surge tank If the coolant inside the coolant surge tank is boili...

Page 176: ...at and be severely damaged If no coolant is visible in the surge tank add coolant as follows 1 You can remove the coolant surge tank pressure cap when the cooling system including the coolant surge ta...

Page 177: ...l reaches slightly above the COLD FULL mark 5 Then replace the pressure cap Be sure the pressure cap is hand tight and fully seated Engine Overheating You will find an engine coolant temperature warni...

Page 178: ...ats and get out of the vehicle until the engine is cool Notice If the engine catches fire because of being driven with no coolant your vehicle can be badly damaged The costly repairs would not be cove...

Page 179: ...is about twice as fast as normal idle speed for at least three minutes while you are parked If you still have the warning turn off the engine and get everyone out of the vehicle until it cools down Yo...

Page 180: ...need windshield washer fluid be sure to read the manufacturer s instructions before use If you will be operating your vehicle in an area where the temperature may fall below freezing use a fluid that...

Page 181: ...le s windshield washer system and paint Brakes Brake Fluid If the vehicle has hydraulic brakes there is a brake master cylinder Refer to the Maintenance Schedule to determine when to check the brake f...

Page 182: ...the reservoir WARNING With the wrong kind of fluid in the brake hydraulic system the brakes might not work well This could cause a crash Always use the proper brake fluid Notice Using the wrong fluid...

Page 183: ...cally adjust for wear Slack adjusters should never be manually adjusted to correct excessive brake chamber pushrod stroke Excessive brake chamber pushrod stroke means that the brake system needs to be...

Page 184: ...ings have mechanical wear indicators to help with this When down to the last 10 of the brake lining the brake lining wear indicator rubs on the rotor causing a scratching or chirping sound When this s...

Page 185: ...tervals See Scheduled Maintenance on page 6 5 for more about servicing this filter Electric Air Compressor The vehicle might have an electric air compressor This compressor is used to run options that...

Page 186: ...Chassis Lubrication 5 38...

Page 187: ...ing 7 Brake Cam Roller Pins Apply engine oil 8 Front Steering Knuckles One fitting each side lower bushing Hand operated grease gun only Hand pack upper bearing 9 Front Wheel Bearings Hand pack or lub...

Page 188: ...e with GM Part No 1051344 Wheel Bearing Lubricant 18 Rear Wheel Bearings Hand pack or lubricate 19 Rear Axle Fill to level of filler plug 20 Parking Brake Clevis Pin Apply chassis lubricant 21 Master...

Page 189: ...handling Vehicle Storage WARNING Batteries have acid that can burn you and gas that can explode You can be badly hurt if you are not careful See Jump Starting on page 5 42 for tips on working around...

Page 190: ...he other vehicle s system is not a 12 volt system with a negative ground both vehicles can be damaged Only use vehicles with 12 volt systems with negative grounds to jump start your vehicle In diesel...

Page 191: ...ill not see the batteries of your vehicle under the hood They are located in a frame mounted battery box on the passenger s side of the vehicle WARNING Using a match near a battery can cause battery g...

Page 192: ...e battery and maybe other parts too And do not connect the negative cable to the negative terminal on the dead battery because this can cause sparks 6 Connect the red positive cable to the positive te...

Page 193: ...ables are connected or removed in the wrong order electrical shorting may occur and damage the vehicle The repairs would not be covered by the vehicle warranty Always connect and remove the jumper cab...

Page 194: ...e the axle lubricant to break down This could damage the gears inside Avoid driving your vehicle through deep water You should avoid driving your vehicle through deep puddles or standing water If you...

Page 195: ...hen replace the plug What to Use Refer to your Maintenance Schedule to determine what kind of lubricant to use See Part C Recommended Fluids and Lubricants on page 6 28 Cab Tilting Before You Tilt the...

Page 196: ...cab do the following 1 Locate the lever pin at the rear of the cab on the passenger s side 2 Turn the lever pin so that the tab is aligned with the slot Remove the lever pin 3 Move the primary tilt l...

Page 197: ...4 Pull the secondary latch lever to release the hook from the catch at the back of the cab 5 Using the handle located at the bottom of the cab at the back tilt the cab forward 5 49...

Page 198: ...osition could fall causing serious injury To ensure that the cab is securely locked in position and will not move the safety lock pin A must always be inserted into the cab support B when the cab is i...

Page 199: ...follow the instructions below carefully Before lowering the cab be sure all filler caps are on properly 1 Remove the safety lock pin from the cab support by turning it and pulling it out 2 Squeeze the...

Page 200: ...own 4 Push the primary tilt lever upward fully to lock the cab to the chassis 5 Reinstall the pin and turn it to keep the primary tilt lever from moving downward WARNING An unsecured cab could move su...

Page 201: ...he bottom of the instrument panel and pull it toward you See Instrument Panel Overview on page 3 4 for more information on location of the release catch 2 Then go to the front of the vehicle and lift...

Page 202: ...than for purposes of maintenance repair or replacement of any device or element of design incorporated into any new vehicle for the purpose of noise control prior to its sale or delivery to the ultima...

Page 203: ...hat all bulbs be replaced by your dealer retailer Windshield Wiper Blade Replacement Windshield wiper blades should be inspected at least twice a year for wear or cracking See Wiper Blade Check under...

Page 204: ...eps 1 and 2 Other Service Items Fuel Filter Your fuel filter is located in the engine compartment on the driver s side of the vehicle or along the driver s side frame rail See Fuel Filter Replacement...

Page 205: ...ater draining and element replacement procedure under Water in Fuel on page 5 10 Secondary Fuel Filter and Heater Your vehicle may have this fuel filter and fuel heater It is mounted on the left side...

Page 206: ...ecked If your vehicle has oil filled hubs occasionally check to see if they have enough oil You can tell if there is oil there by using the circular gage on the sight glass If there isn t clean the ru...

Page 207: ...d a serious accident See Loading the Vehicle on page 4 18 Continued WARNING Continued Underinflated tires pose the same danger as overloaded tires The resulting accident could cause serious injury Che...

Page 208: ...ng Unusual wear Poor handling Rough ride Needless damage from road hazards When to Check Check your tires once a month or more Also check the tire pressure of the spare tire if your vehicle has one Ho...

Page 209: ...eck See Tightening the Wheel Nuts on page 5 63 for wheel nut tightening information and proper torque values WARNING If you operate your vehicle with a tire that is badly underinflated the tire can ov...

Page 210: ...tires that are designed to give the same performance and vehicle safety during normal use as the original tires GM recommends replacing tires in sets of six or eight as applicable This is because uni...

Page 211: ...he wheel can come off the vehicle causing a crash All wheel nuts must be properly tightened Follow the rules in this section to be sure they are This section lets you know how often to check the tight...

Page 212: ...the surfaces B between the nuts C and washers A Do not oil the studs or the threads of the nut 6 Tighten the nuts to 400 lb ft 540 Y if an 8 hole stud or 475 lb ft 640 Y if a 10 hole stud using the fo...

Page 213: ...e repairs evenly tighten the wheel nuts in the proper sequence and to the proper torque specification See Capacities and Specifications on page 5 85 for the wheel nut torque specification WARNING If w...

Page 214: ...Replace any wheel that is bent cracked or badly rusted or corroded If wheel nuts keep coming loose replace the wheel wheel bolts and wheel nuts If the wheel leaks air replace it Your dealer will know...

Page 215: ...WR of your vehicle See Loading the Vehicle on page 4 18 for more information Notice The wrong wheel can cause trouble in bearing life brake cooling speedometer odometer calibration headlamp aim bumper...

Page 216: ...t the vehicle to go It may be very bumpy and noisy but you can still steer Gently brake to a stop well off the road if possible If a tire goes flat avoid further tire and wheel damage by driving slowl...

Page 217: ...of heat that could cause stains to set rapidly Lighter colored interiors may require more frequent cleaning Use care because newspapers and garments that transfer color to your home furnishings may al...

Page 218: ...may result from the use of many organic solvents such as naptha alcohol etc Fabric Carpet Use a vacuum cleaner with a soft brush attachment frequently to remove dust and loose dirt A canister vacuum...

Page 219: ...ces may permanently change the appearance and feel of the interior and are not recommended Do not use silicone or wax based products or those containing organic solvents to clean the vehicle s interio...

Page 220: ...move all cleaning agents completely If they are allowed to dry on the surface they could stain Dry the finish with a soft clean chamois or an all cotton towel to avoid surface scratches and water spot...

Page 221: ...possible Protecting Exterior Bright Metal Parts Bright metal parts should be cleaned regularly to keep their luster Washing with water is all that is usually needed However chrome polish may be used o...

Page 222: ...y The surface of these wheels is similar to the painted surface of the vehicle Do not use strong soaps chemicals abrasive polishes abrasive cleaners cleaners with acid or abrasive cleaning brushes on...

Page 223: ...ve corrosion protection At least every spring flush these materials from the underbody with plain water Clean any areas where mud and debris can collect Dirt packed in close areas of the frame should...

Page 224: ...hing electrical to the vehicle unless you check with your dealer retailer first Some electrical equipment can damage the vehicle and the damage would not be covered by the vehicle s warranty Some add...

Page 225: ...se high temperature material Power Windows and Other Power Options Circuit breakers in the fuse panel protect the power windows and other power accessories When the current load is too heavy the circu...

Page 226: ...ument panel and lower the cover down to snap into place If you ever have a problem on the road and don t have a spare fuse you can borrow one of the correct value Just pick some feature of your vehicl...

Page 227: ...5 79...

Page 228: ...fferential Lock Air Dryer Moisture Ejection Heater Electric Air Compressor Power Take Off 10 Ignition Power 11 Left Trailer Turn Lamp 12 Auxiliary Ignition ON Fuses Usage 13 Auxiliary Battery Direct 1...

Page 229: ...ot use maxi fuses of higher amperage than those indicated on the maxi fuse block Fuses Usage ST TURN HAZ Stoplamp Turn Signals Hazard Warning Flashers IGN SW 3 Air Conditioner Axle Chassis INT EXT LIG...

Page 230: ...ck B C Relay Block C D Relay Block D Not Shown Relay Block A Relay Block A Usage 1 Power Window If Equipped 2 Power Main ECU 3 High Beam 4 Lighting 5 Lighting Low High 6 Trailer Turn Signal Left Headl...

Page 231: ...ioning Condenser If Equipped 2 Air Conditioning Compressor If Equipped 3 Heater Fan 4 Ignition Accessory 5 Ignition 1 6 Ignition 2 7 Auxiliary 8 Horn 9 Ignition 3 10 Dome Lamp If Equipped 11 Starter C...

Page 232: ...Lamps DRL On Engine Run 3 Daytime Running Lamps DRL Off Parking 4 Parking Lamps Daytime Running Lamps DRL 5 Fuel Filter Heated Fuel 6 Stop Lamp Relay Block D Relay Block D Usage 1 Neutral Medium Duty...

Page 233: ...on label located under the hood See your dealer for more information Cooling System Engine Torque below 660 lb ft LYA LYB LYC 33 6 qt 31 8 L Engine Torque above 835 lb ft LYD LQF 35 0 qt 33 1 L Engine...

Page 234: ...ith a 152 inch wheelbase Two 50 gallon 189 L tanks Not applicable to 4X2 vehicles with 128 inch or 140 inch wheelbases and not applicable to 6x4 vehicles with a 152 inch wheelbase Rear Axle Single Spe...

Page 235: ...erator s Manual for fluid check and maintenance information Transmission Fluid Manual FS5406 FS6406 19 5 pt 9 2 L RT8709B 26 0 pt 12 3 L RT8908LL 28 0 pt 13 2 L Wheel Nut Torque 8 Bolt Wheels 400 ft l...

Page 236: ...Replacement Parts Part Part Number Air Compressor Filter Haldex Air Compressor 100696 E Engine Air Cleaner Filter P533930 Fuel Filter Chassis Mounted 15618921 Engine Mounted 98026037 Oil Filter 940377...

Page 237: ...Engine Drive Belt Routing Isuzu 6H Diesel Engine Belt routing for non air conditioning option shown Dotted line shows routing for vehicles with air conditioning 5 89...

Page 238: ...2 NOTES 5 90...

Page 239: ...n is Organized 6 3 Part A Scheduled Maintenance Services 6 4 Using the Maintenance Schedule 6 4 Scheduled Maintenance Supplements 6 5 Scheduled Maintenance 6 5 Part B Owner Checks and Services 6 23 At...

Page 240: ...ecessary to keep this vehicle in good working condition Any damage caused by failure to follow scheduled maintenance may not be covered by the vehicle warranty Your Vehicle and the Environment Proper...

Page 241: ...proper tools and equipment for the job If you have any doubt have a qualified technician do the work See Doing Your Own Service Work on page 5 5 To purchase service information see Service Publicatio...

Page 242: ...ny questions on how to keep the vehicle in good condition see your dealer retailer This part tells you the maintenance services that should be done and when to schedule them When you go to your dealer...

Page 243: ...e 30 1 600 km 1 000 Miles 1 Wheel stud nut service 30 1 Rear axle air shift motor service 9 12 000 km 7 500 Miles 1 Check fluid levels or every 3 months whichever occurs first 1 5 1 Chassis lubricatio...

Page 244: ...ace fuel filter or every 750 hours of engine operation whichever occurs first 1 Steering system service 11 1 Front and rear suspension service 12 1 Spring to axle U bolts and shackle bolts service 14...

Page 245: ...every 6 months whichever occurs first 6 30 1 Parking brake service or every 6 months whichever occurs first 7 1 Air brake service or every 6 months whichever occurs first 26 1 Air brake automatic sla...

Page 246: ...s whichever occurs first 10 1 Check restraint system 34 1 Steering system service 11 1 Front and rear suspension service 12 1 Spring to axle U bolts and shackle bolts service 14 1 Exhaust system servi...

Page 247: ...brake application valve or every 3 months or every 300 hours whichever occurs first Lubricate linkage 1 Air brake chamber service or every 2 months whichever occurs first 28 72 000 km 45 000 Miles 1...

Page 248: ...onths whichever occurs first 7 1 Air brake service or every 6 months whichever occurs first 26 1 Air brake automatic slack adjuster service or every 500 hours whichever occurs first 27 1 Check air bra...

Page 249: ...an air brake application valve or every 3 months or every 300 hours whichever occurs first Lubricate linkage 1 Air brake chamber service or every 2 months whichever occurs first 28 96 000 km 60 000 Mi...

Page 250: ...rake service or every 6 months whichever occurs first 7 1 Air brake service or every 6 months whichever occurs first 26 1 Air brake automatic slack adjuster service or every 500 hours whichever occurs...

Page 251: ...er occurs first 28 1 Air brake system valve service or every 3 months or every 900 hours whichever occurs first 31 1 Rear axle air shift motor service 9 1 Air intake system service or every 24 months...

Page 252: ...r brake application valve or every 3 months or every 300 hours whichever occurs first Lubricate linkage 1 Air brake chamber service or every 2 months whichever occurs first 28 1 Air compressor dry ele...

Page 253: ...icle is driven in dusty dirty conditions inspect filter change indicator at every engine oil change See Engine Air Cleaner Filter on page 5 21 for more information 1 Check fluid levels or every 3 mont...

Page 254: ...ssor dry element pleated paper air strainer service or every 2 months or every 800 hours whichever occurs first 1 Thermostatically controlled engine cooling fan service 3 17 1 Shields and underhood in...

Page 255: ...r every 4 500 hours whichever occurs first Then every 240 000 km 150 000 Miles or every 4 500 hours whichever occurs first 32 320 000 km 200 000 Miles 1 Rear axle service Eaton Rockwell Spicer axles o...

Page 256: ...nd hoses for proper hook up binding leaks cracks chafing etc Inspect disc brake pads for wear and rotors for surface condition Inspect caliper assemblies Check brake pedal for excessive free play or t...

Page 257: ...e often when operating under dusty or muddy conditions and in excessive off road use Frequently power washed vehicles will require more frequent lubrication 11 Check steering system Look for damaged l...

Page 258: ...valve lash Incorrect valve clearance will result in increased engine noise and reduced engine output 17 With the engine off and below normal operating temperature check to see that the thermostaticall...

Page 259: ...rvice Re pack upper kingpin roller bearing 26 Air brake service Inspect brake lines and hoses for proper hook up binding leaks cracks chafing etc Inspect drum brake linings for wear or cracks Inspect...

Page 260: ...ied torque values at 160 km 100 miles Thereafter tighten them 1 600 km 1 000 miles after each time the wheel is removed See Tightening the Wheel Nuts on page 5 63 31 Inspect and clean any accumulated...

Page 261: ...Fill It is important to perform these underhood checks at each fuel fill Engine Oil Level Check Notice It is important to check the engine oil regularly and keep it at the proper level Failure to kee...

Page 262: ...ings latches and dovetail bumper wedges Where oil holes are provided a dripless oil can be used The seat adjusters seat track door weatherstrips and rubber cap bumpers should also be lubricated Part C...

Page 263: ...pressure and check system for leaks Any of these conditions could indicate the need for brake system inspection and or service Engine Cooling System Service Inspect the hoses and have them replaced if...

Page 264: ...on outside mirrors headlamps parking lamps identification and clearance lamps taillamps brake lamps turn signals backup lamps and hazard warning flashers Have headlamp aim checked at once if beams se...

Page 265: ...d be loosened before being flushed Engine Cover Check Check that the cab s engine cover and seal if the vehicle has one are not torn or damaged Be sure that the cover is clamped down firmly to the flo...

Page 266: ...olant See Engine Coolant on page 5 26 Hydraulic Brake System DOT 3 Hydraulic Brake Fluid GM Part No U S 12377967 in Canada 89021320 Usage Fluid Lubricant Windshield Washer Solvent Optikleen Washer Sol...

Page 267: ...etic Axle Lubricant for Medium Duty Trucks GM Part No U S 89021675 in Canada 10953512 Rear Axle Shift Motor Lubricant Refrigerant Oil GM Part No U S 5416939 in Canada 10953496 Usage Fluid Lubricant Pr...

Page 268: ...the date odometer reading and who performed the service and any additional information from Owner Checks and Services on the following record pages Also you should retain all maintenance receipts Mai...

Page 269: ...Maintenance Record cont d Date Miles km Or Hours Serviced By Maintenance Record 6 31...

Page 270: ...Maintenance Record cont d Date Miles km Or Hours Serviced By Maintenance Record 6 32...

Page 271: ...e Program 7 5 Collision Damage Repair 7 6 Reporting Safety Defects 7 9 Reporting Safety Defects to the United States Government 7 9 Reporting Safety Defects to the Canadian Government 7 9 Reporting Sa...

Page 272: ...manager STEP TWO If after contacting a member of dealership management it appears your concern cannot be resolved by the dealership without further help call the GM Medium Duty Truck Customer Assistan...

Page 273: ...and your case will generally be heard within 40 days If you do not agree with the decision given in your case you may reject it and proceed with any other venue for relief available to you You can co...

Page 274: ...Islands 1 800 496 9994 Fax Number 313 381 0022 Canada Customer Assistance General Motors of Canada Limited Customer Communication Centre CA1 163 005 1908 Colonel Sam Drive Oshawa Ontario L1H 8P7 1 800...

Page 275: ...es stranded owner operators with towing service for disabled GM Medium Duty trucks during the base and or engine warranty period to the nearest authorized GM Medium Duty dealer This service combines t...

Page 276: ...that were total losses in prior crashes In most cases the parts being recycled are from undamaged sections of the vehicle A recycled original equipment GM part may be an acceptable choice to maintain...

Page 277: ...s If a Crash Occurs Here is what to do if you are involved in a crash Check to make sure that you are all right If you are uninjured make sure that no one else in your vehicle or the other vehicle is...

Page 278: ...e If you have a question ask for an explanation Reputable shops welcome this opportunity Managing the Vehicle Damage Repair Process In the event that your vehicle requires damage repairs GM recommends...

Page 279: ...at 1 888 327 4236 TTY 1 800 424 9153 go to http www safercar gov or write to Administrator NHTSA 1200 New Jersey Avenue S E Washington D C 20590 You can also obtain other information about motor vehic...

Page 280: ...ut the vehicle The owner manual includes the Maintenance Schedule for all models In Portfolio Includes a Portfolio Owner Manual and Warranty Booklet RETAIL SELL PRICE 35 00 U S plus processing fee Wit...

Page 281: ...performed The EDR is designed to record data related to vehicle dynamics and safety systems for a short period of time typically 30 seconds or less The EDR in this vehicle is designed to record such...

Page 282: ...operating manual for information on stored data and for deletion instructions Radio Frequency Identification RFID RFID technology is used in some vehicles for functions such as tire pressure monitori...

Page 283: ...cal Paint Spotting 5 75 Cleaning Exterior Lamps Lenses 5 72 Fabric Carpet 5 70 Finish Care 5 72 Finish Damage 5 75 Appearance Care cont Instrument Panel Vinyl and Other Plastic Surfaces 5 71 Interior...

Page 284: ...ement Headlamps 5 55 Burnish Procedure Parking Brakes 2 26 Buying New Tires 5 62 C Cab Tilting Before You Tilt the Cab 5 47 Lifting the Front Panel 5 53 Lowering the Cab 5 51 Tilting the Cab 5 48 Cali...

Page 285: ...herstrips 5 71 Windshield and Wiper Blades 5 73 Climate Control System 3 17 Outlet Adjustment 3 18 Clock Setting 3 40 Clutch Hydraulic 5 24 Collision Damage Repair 7 6 Control of a Vehicle 4 3 Coolant...

Page 286: ...our Vehicle to Get it Out 4 17 Tow Hooks 4 18 Winter 4 15 Dual Tire Operation 5 61 E EDR 7 11 Electrical Equipment Add On 5 76 Electrical System Fuses and Circuit Breakers 5 77 Fusible Links 5 77 Head...

Page 287: ...h to Pass 3 8 Flashers Hazard Warning 3 6 Flat Tire 5 68 Fluid Automatic Transmission 5 23 Power Steering 5 31 Windshield Washer 5 32 Front Wheel Bearings with Oil Filled Hubs 5 58 Fuel Diesel Engine...

Page 288: ...nt 5 55 Daytime Running Lamps DRL 3 13 Flash to Pass 3 8 High Low Beam Changer 3 8 On Reminder 3 13 Heater 3 17 Engine Coolant 2 15 High Idle System 2 12 Highbeam On Light 3 36 Highway Hypnosis 4 13 H...

Page 289: ...Warning 3 35 Engine Shutdown Warning 3 35 Lights cont Exhaust Brake Indicator 3 35 Flash to Pass 3 8 High Low Beam Changer 3 8 Highbeam On 3 36 Low Coolant Warning 3 30 Low Oil Level 3 34 On Reminder...

Page 290: ...Vehicle and the Environment 6 2 Malfunction Indicator Lamp 3 31 Manual Lumbar Controls 1 3 Manual Seats 1 2 Manual Transmission Fluid 5 23 Operation 2 18 Manual Windows 2 4 Marker Lamps 3 14 Mirrors M...

Page 291: ...intenance Record 6 30 Passenger Compartment Air Filter 3 19 Passenger Side Door Glass 2 6 Passing 4 10 Perchlorate Materials Requirements California 5 4 Power Auxiliary Jacks 3 16 Electrical System 5...

Page 292: ...elts Care of 5 71 Extender 1 25 How to Wear Safety Belts Properly 1 12 Lap Belt 1 24 Safety Belts cont Lap Shoulder Belt 1 21 Reminders 3 23 Safety Belts Are for Everyone 1 7 Use During Pregnancy 1 23...

Page 293: ...e Operation 5 61 If a Tire Goes Flat 5 68 Inflation Tire Pressure 5 60 Tires cont Tightening the Wheel Nuts 5 63 Wheel Alignment and Tire Balance 5 63 Wheel Loading 5 61 Wheel Replacement 5 66 When It...

Page 294: ...uel 5 10 Water in Fuel Warning Light 3 38 What to Use in Canada and Mexico 5 9 What to Use in The U S 5 7 Wheels Alignment and Tire Balance 5 63 Front Bearings with Oil Filled Hubs 5 58 Loading 5 61 R...

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