background image

 

 

7

 

Illus. 3 

 
8)

 

  Remove  the  half  shaft  flange  bolts.    Remove 

the half shaft. 
 
9)

 

  Index-mark  the  shock  absorber  upper  mount, 

coil  spring,  and  lower  mount.    Disconnect  Electronic 
Suspension Control connector if applicable. 
 
10)

 

  Remove  the  shock  absorber  lower  bolts.  

Remove  the  three  shock  absorber  upper  mount  to 
frame  nuts.    Remove  the  shock  absorber  and  spring 
assembly. 
11)

 

  Remove  the  lower  control  arm  pivot  bolts.  

Remove the lower control arm. 
 
12)

 

 Repeat steps 1 through 11 for the other side. 

 
 

F

RONT 

D

IFFERENTIAL 

R

EMOVAL 

(4WD

 

O

NLY

 
1)

 

  Remove  the  four  bolts  that  attach  the 

crossmember  to  the  lower  control  arm  rear  pockets.  
Remove the crossmember. 
 
2)

 

  Using  a  reciprocating  saw,  cut  off  the  driver 

side  crossmember  bracket.    See  illustration  4.    File 
sharp edges and paint exposed metal. 
 
3)

 

 Reference mark the front drive shaft U-joint to 

the  differential  yoke.    Remove  the  bolts  and  retainers 
from  the  yoke  and  slide  the  shaft  rearward  to 
disengage.    Tape  the  bearing  cap  assemblies  and 
secure the shaft out of the way. 
 

 

Illus. 4 

 
4)

 

  Disconnect  the  electrical  connector  and  the 

vent hose from the differential assembly. 
 
5)

 

  Support  the  front  differential  assembly  with 

adjustable jack stands. 
 
6)

 

  Remove  the  upper  mounting  bolts.    Carefully 

lower and remove the front differential. 
 
 

F

RONT 

D

IFFERENTIAL 

D

ROP 

B

RACKET 

I

NSTALLATION 

(4WD

 

O

NLY

 
NOTE:    When  attaching  differential  drop  brackets, 
face the open side of the bracket toward the passenger 
side and the larger end toward the front. 
 
1)

 

  Attach  right  drop  bracket  176386  to  the 

passenger  side  differential  frame  mount  with  the 
original hardware.  See illustration 5.  Tighten nuts and 
bolts to 65 ft. lbs. 
 

 

Illus. 5 

 
2)

 

  Attach  left  drop  bracket  176387  to  the  driver 

side  differential  frame  mount  with  the  original 

Summary of Contents for RS6583B

Page 1: ...88583 Rev E Suspension System RS6583B 2013 2007 Chevrolet Silverado GMC Sierra 1500 88583 Rev E...

Page 2: ...Each hardware kit in this system contains fasteners of high strength and specific size Do not mix hardware kits or substitute a fastener of lesser strength See bolt identification table on page 2 G Co...

Page 3: ...D vehicle omit steps pertaining to the front axle assembly Also follow the specific 2WD steps for aft brace installation R Important information for the end user is contained in the consumer installer...

Page 4: ...4 RS6583B Suspension System...

Page 5: ...140 HHCS 2 M16 2 0 x 120 HHCS 2 M16 2 0 Stover Nut 4 M16 Washer 8 860547 Sway Bar Hardware Kit 1 M10 1 50 x 30 HHCS 4 P N DESCRIPTION QTY M10 1 50 x 60 HHCS 4 M10 1 50 x Nyloc Nut 4 M10 Washer 12 Loop...

Page 6: ...at the frame rail See illustration 2 Illus 2 NOTE For vehicles equipped with Electronic Suspension Control Autoride separate brake hose from sensor link bracket 2 Remove the brake caliper anchor bolts...

Page 7: ...metal 3 Reference mark the front drive shaft U joint to the differential yoke Remove the bolts and retainers from the yoke and slide the shaft rearward to disengage Tape the bearing cap assemblies and...

Page 8: ...t U joint to the differential yoke Tighten bolts to 22 ft lbs SUBFRAME INSTALLATION 1 Using a round file enlarge the inside corners of both lower control arm front brackets See illustration 7 Illus 7...

Page 9: ...lign flange marks and place the half shaft flange against the spacer Apply thread lock to bolts and attach the half shaft to the differential with the hardware from kit 860176 See illustration 10 Tigh...

Page 10: ...y bar to the lower control arms with the original end link assemblies BRAKE HOSE INSTALLATION 1 Install the brake rotor Apply thread lock and attach the caliper to the knuckle with the original mounti...

Page 11: ...3 Loosely attach the aft braces to subframe 176385B with the hardware from kit 860474 See illustration 16 NOTE Both aft braces should angle slightly outward from front to rear 4 If applicable remove...

Page 12: ...ighten the sway bar end link bolts to 22 ft lbs REAR SUSPENSION ADD A LEAF RISER BLOCK INSTALLATION 1 Chock front wheels Raise the rear of the vehicle and support the frame with jack stands Remove the...

Page 13: ...hole in the axle pad Place the new riser block 15080 on the axle pad with the taller end of the block in the rear and the top hole offset to the front See illustration 21 Illus 21 NOTE Ignore the up...

Page 14: ...1 and 2 for the other side 4 Install rear wheels and lower vehicle to ground Tighten lug nuts to 140 ft lbs BRAKE LINE BRACKET INSTALLATION 1 Attach the new brake line bracket 170014 to the rear diffe...

Page 15: ...r slip yoke insertion The slip yoke should be inserted a minimum of one inch into the transfer case and or transmission 3 Ensure that the vehicle brake system operates correctly If new brake hoses wer...

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