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Chevrolet Silverado / GMC Sierra. Manual - part 1346
pinion shaft threads show through the yoke.
5. Install the washer and a new pinion nut.
Fig. 94: Holding Pinion Flange Using Special Tool
Courtesy of GENERAL MOTORS CORP.
6. Install the J 8614-01 onto the pinion yoke as shown. See Special Tools.
NOTE:
Refer to Fastener Notice .
IMPORTANT: If the rotating torque is exceeded, the pinion will have to be
2008 Chevrolet Silverado 1500
2008 Driveline/Axle Front Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
7. Tighten the pinion nut while holding the J 8614-01 . See Special Tools.
Tighten: Tighten the pinion nut until the pinion end play is just taken up. Rotate the pinion
while tightening the nut to seat the bearings.
8. Measure the rotating torque of the pinion using an inch-pound torque wrench.
Compare the measurement with the rotating torque recorded earlier.
Tighten: Tighten the pinion nut, in small increments, as needed, until the torque required in
order to rotate the pinion is 0.40-0.57 N.m (3-5 lb in) greater than the torque recorded
during removal.
9. Once the specified torque is obtained, rotate the pinion several times to ensure the bearings
have seated. Recheck the rotating torque and adjust if necessary.
removed and a new collapsible spacer installed.
2008 Chevrolet Silverado 1500
2008 Driveline/Axle Front Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 95: Front Axle Pinion Yoke, Propeller Shaft Universal Joint, Yoke Retainer &
Bolts
Courtesy of GENERAL MOTORS CORP.
10. Install the propeller shaft universal joint (2) to the pinion yoke (1).
Align the reference marks made during removal.
11. Install the yoke retainers (7) and the yoke retainer bolts (6) to the pinion yoke (1).
Tighten: Tighten the yoke retainer bolts to 25 N.m (18 lb ft).
12. Inspect the axle lubricant level, and add, if necessary. Refer to Front Axle Lubricant
Level Inspection (9.25 Inch Axle).
2008 Chevrolet Silverado 1500
2008 Driveline/Axle Front Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
13. Install the engine shield, if equipped. Refer to Engine Shield Replacement .
14. Install the brake calipers. Refer to Front Brake Caliper Replacement (JH6, JH7) or
Front Brake Caliper Replacement (JD9, JF3, JF7) .
15. Fill the drive axle. Refer to Front Axle Lubricant Replacement.
16. Install the tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation .
17. Lower the vehicle.
DIFFERENTIAL CARRIER ASSEMBLY BUSHING REPLACEMENT
Tools Required
J 33791 Carrier Bushing Remover/Installer. See Special Tools.
J 36616 Axle Mount Bushing Remover/Installer. See Special Tools.
Removal Procedure
1. Remove the differential carrier assembly. Refer to Differential Carrier Assembly
Replacement (1500 FWD) or Differential Carrier Assembly Replacement (2500
4WD).
2008 Chevrolet Silverado 1500
2008 Driveline/Axle Front Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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