Chevrolet Silverado / GMC Sierra. Service manual — part 1461

Courtesy of GENERAL MOTORS CORP.

5. Remove the rear brake assembly bolts.

6. Remove the rear brake assemblies.

7. Remove the rear axle shaft oil seals and bearings. Refer to Rear Axle Shaft Seal and/or

Bearing Replacement (w/o VSES) or Rear Axle Shaft Seal and/or Bearing
Replacement (w VSES).

8. Remove the drive pinion shaft yoke and oil seal. Refer to Drive Pinion Flange/Yoke

and/or Oil Seal Replacement (All Except 9.75 Inch Axle) or Drive Pinion
Flange/Yoke and/or Oil Seal Replacement (8.6 Inch Axle w/Drum Brakes).

9. Remove the differential assembly. 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).

10. Remove the drive pinion and the inner pinion bearing. 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).

11. Remove the pinion bearing cups. Refer to Drive Pinion Bearings Replacement (8.6, 9.5,

11.5 Inch Axle) or Drive Pinion Bearings Replacement (10.5 Inch Axle).

Installation Procedure

1. Install the pinion bearing cups. Refer to Drive Pinion Bearings Replacement (8.6, 9.5,

11.5 Inch Axle) or Drive Pinion Bearings Replacement (10.5 Inch Axle).

2. Install the drive pinion oil seal. Refer to Drive Pinion Flange/Yoke and/or Oil Seal

Replacement (All Except 9.75 Inch Axle) or Drive Pinion Flange/Yoke and/or Oil
Seal Replacement (8.6 Inch Axle w/Drum Brakes).

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 inner pinion bearing onto the drive pinion. Refer to Drive Pinion Bearings

Replacement (8.6, 9.5, 11.5 Inch Axle) or Drive Pinion Bearings Replacement (10.5
Inch Axle).

5. Install the drive pinion. 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).

6. Install the pinion yoke. Refer to Drive Pinion Flange/Yoke and/or Oil Seal

Replacement (All Except 9.75 Inch Axle) or Drive Pinion Flange/Yoke and/or Oil

2008 Chevrolet Silverado 1500

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

Seal Replacement (8.6 Inch Axle w/Drum Brakes).

7. Install the differential assembly. 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).

8. Adjust the differential side bearing preload. Refer to Differential Carrier Bearing

Preload Adjustment (10.5 Inch, 11.5 Inch Axles) or Differential Carrier Bearing
Preload Adjustment (8.6 Inch Axle) or Differential Carrier Bearing Preload
Adjustment (9.5, and 9.5LD Inch Axles).

9. Adjust the drive pinion to ring gear backlash. Refer to Backlash Adjustment (8.6 Inch

Axle) or Backlash Adjustment (10.5, 11.5 Inch Axles) or Backlash Adjustment (9.5
LD Axle).

10. Perform a gear tooth contact pattern check. Refer to Gear Tooth Contact Pattern

Inspection.

11. Install the rear axle shaft oil seals and bearings. Refer to Rear Axle Shaft Seal and/or

Bearing Replacement (w/o VSES) or Rear Axle Shaft Seal and/or Bearing
Replacement (w VSES).

2008 Chevrolet Silverado 1500

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

Fig. 216: Rear Brake Assemblies
Courtesy of GENERAL MOTORS CORP.

12. Install the rear brake assemblies.

13. Install the rear brake assembly bolts.

Tighten: Tighten the bolts to 135 N.m (100 lb ft).

14. Install the axle shafts. Refer to Rear Axle Shaft Replacement (8.6 Inch Axle w/Drum

Brake w/VSES) or Rear Axle Shaft Replacement (8.6 Inch Axle w/Drum Brakes w/o
VSES) or Rear Axle Shaft Replacement (8.6, 9.5 Inch Axles w/VSES)

15. Install the rear axle cover housing and gasket. Refer to Rear Axle Housing Cover and

Gasket Replacement.

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

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

16. Install the rear axle. Refer to Rear Axle Replacement (15 Series with Drum Brakes) or

Rear Axle Replacement (15/25 Series) or Rear Axle Replacement (35 Series).

17. Install the rear wheel speed sensor. Refer to Rear Wheel Speed Sensor Replacement .

REAR AXLE HOUSING REPLACEMENT (W/REAR DISC )

Removal Procedure

Fig. 217: Identifying U-Bolts
Courtesy of GENERAL MOTORS CORP.

2008 Chevrolet Silverado 1500

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