Chevrolet Silverado / GMC Sierra. Service manual — part 1448

Fig. 174: Installing Inner Pinion Bearing Using J 24433
Courtesy of GENERAL MOTORS CORP.

4. Using the J 24433 and a hydraulic press, install the inner pinion bearing. See Special Tools.

5. Install the new collapsible spacer.

6. Lubricate the pinion bearings with axle lubricant. Refer to Fluid and Lubricant

IMPORTANT: Press the bearing on until the cone seats on the pinion.

2008 Chevrolet Silverado 1500

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

Recommendations .

7. Install the outer pinion bearing into the pinion bearing retainer.

8. Using the J 44414 , install the new pinion oil seal. See Special Tools.

Fig. 175: Pinion Retainer
Courtesy of GENERAL MOTORS CORP.

2008 Chevrolet Silverado 1500

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

9. Install the pinion in the pinion gear bearing retainer.

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

of the pinion yoke.

Fig. 176: View Of Pinion Shaft & Pinion Yoke Alignment Marks
Courtesy of GENERAL MOTORS CORP.

11. Align the marks made during removal.

12. Install the pinion yoke.

13. Using a soft-faced hammer, tap the pinion yoke until a few threads show through the yoke.

14. Install the washer and the new pinion nut.

NOTE:

Refer to Pinion Flange/Yoke Installation Notice .

2008 Chevrolet Silverado 1500

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

Fig. 177: Installing J 8614-01 To Pinion Yoke
Courtesy of GENERAL MOTORS CORP.

15. Install the J 8614-01 on the pinion yoke.

16. Tighten the pinion nut while holding the J 8614-01 .

NOTE:

Refer to Fastener Notice .

IMPORTANT: If the rotating torque is exceeded, the pinion will have to be

removed and a new collapsible spacer installed.

2008 Chevrolet Silverado 1500

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