Chevrolet Silverado / GMC Sierra. Manual — part 1444

Fig. 160: Installing Inner Pinion Bearing Cup
Courtesy of GENERAL MOTORS CORP.

2. Install the inner pinion bearing cup using the J 45870 , 8. See Special Tools.6 inch axle, or

the J 22306 , 9. See Special Tools.5/9.5LD inch axle (2), and the J 8092 (1).

3. Determine the selective shim thickness for the drive pinion. Refer to Pinion Depth

Adjustment (10.5 Inch Axle) or Pinion Depth Adjustment (8.6, 9.5/9.5LD, and 11.5
Inch Axles).

4. Install the selective shim between the inner pinion bearing and the shoulder on the gear.

2008 Chevrolet Silverado 1500

2008 Driveline/Axle Rear Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 161: Installing Inner Pinion Bearing Onto Pinion Gear
Courtesy of GENERAL MOTORS CORP.

5. Install the inner pinion bearing using the J 24433 or the J 36614 . See Special Tools.

Press the bearing on until the cone seats on the pinion shim.

6. Install a new collapsible spacer.

7. Lubricate the pinion bearings with axle lubricant. Use the proper fluid. Refer to Fluid and

2008 Chevrolet Silverado 1500

2008 Driveline/Axle Rear Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Lubricant Recommendations .

8. Install the outer pinion bearing into the axle housing.

Fig. 162: Installing New Pinion Oil Seal
Courtesy of GENERAL MOTORS CORP.

9. Install a new pinion oil seal using the J 22388 . See Special Tools.

10. Install the pinion into the axle housing.

11. Apply sealant, GM P/N 12346004 (Canadian P/N 10953480) or equivalent, to the splines

of the pinion yoke.

2008 Chevrolet Silverado 1500

2008 Driveline/Axle Rear Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado