Chevrolet Silverado / GMC Sierra. Service manual — part 1451

Fig. 184: Differential Bearing Adjuster Nut Lock
Courtesy of GENERAL MOTORS CORP.

4. Remove the differential bearing adjuster nut retainers.

2008 Chevrolet Silverado 1500

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

Fig. 185: Removing/Installing Bearing Cap Bolt
Courtesy of GENERAL MOTORS CORP.

5. Remove the bearing caps and bolts. Mark the bearing caps left and right.

6. Loosen the adjusters using the J 24429 . See Special Tools.

CAUTION: To prevent personal injury and/or component damage,

support the differential case when removing the case
from the axle housing. If the case is not supported, the
differential case could fall and cause personal injury or
damage to the differential case.

NOTE:

When removing the differential case from the axle housing, do
not damage the cover gasket surface. If the cover gasket
surface is damaged, lubricant may leak from the axle and
cause premature failure of the axle assembly.

2008 Chevrolet Silverado 1500

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

Fig. 186: View Of Differential Case And Axle Housing
Courtesy of GENERAL MOTORS CORP.

7. Remove the differential.

8. Remove the bearing cups.

Mark the cups left and right. Place the cups with the bearing caps.

9. Remove the differential side bearings, if necessary. Refer to Differential Side Bearings

Replacement (All Except 9.75 Inch Axle).

10. Remove the ring gear, if necessary. Refer to Drive Pinion and Ring Gear Replacement

(8.6, 9.5/9.5LD, and 11.5 Inch Axles) or Drive Pinion and Ring Gear Replacement
(10.5 Inch Axle).

Installation Procedure

1. Install the ring gear, if necessary. Refer to Drive Pinion and Ring Gear Replacement

(8.6, 9.5/9.5LD, and 11.5 Inch Axles) or Drive Pinion and Ring Gear Replacement
(10.5 Inch Axle).

2. Install the differential side bearings, if necessary. Refer to Differential Side Bearings

Replacement (All Except 9.75 Inch Axle).

3. Lubricate the differential side bearings with axle lubricant. Use the proper fluid. Refer to

2008 Chevrolet Silverado 1500

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

Fluid and Lubricant Recommendations .

Fig. 187: View Of Differential Case And Axle Housing
Courtesy of GENERAL MOTORS CORP.

4. Place the case, with the bearing cups installed, into the axle housing.

Support the case in order to keep the case from falling out of the axle housing.

2008 Chevrolet Silverado 1500

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