Chevrolet Silverado / GMC Sierra. Service manual — part 1421

Replacement.

10. Install the brake caliper. Refer to Rear Brake Caliper Replacement (JH6, JH7) or Rear

Brake Caliper Replacement (JD9) .

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

12. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .

13. Fill the rear axle. Use the proper fluid. Refer to Approximate Fluid Capacities and Fluid

and Lubricant Recommendations .

14. Lower the vehicle.

REAR AXLE SHAFT SEAL AND/OR BEARING REPLACEMENT (W/O VSES)

Speical Tools

J 2619-01 Slide Hammer

J 8092 Universal Driver Handle 3/4 in-10

J 21128 Axle Pinion Oil Seal Installer

J 23690 Axle Shaft Bearing Installer

J 44685 Rear Axle Seal and Bearing Remover. See Special Tools.

J 45857 Tone Wheel and/or Bearing Remover

Removal Procedure

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

2. Remove the rear tire and wheel assembly. Refer to Tire and Wheel Removal and

Installation .

3. Remove the rear axle shaft. 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).

2008 Chevrolet Silverado 1500

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

Fig. 79: View Of Axle Shaft Seal & Bearing
Courtesy of GENERAL MOTORS CORP.

4. Using the J 44685 (1) and the J 2619-01 (2), remove the axle shaft seal. See Special Tools.

IMPORTANT: The following service procedure is for NON-VSES vehciles.

2008 Chevrolet Silverado 1500

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

Fig. 80: Removing Axle Shaft Seal & Bearing Using J 45857 & J 2619-01
Courtesy of GENERAL MOTORS CORP.

5. Using the J 45857 (1) and the J 2619-01 (2), remove the axle seal, bearing, and the tone

wheel.

Installation Procedure

IMPORTANT: The following service procedure is for VSES equipped

vehicles.

2008 Chevrolet Silverado 1500

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

Fig. 81: Installing Axle Shaft Bearing
Courtesy of GENERAL MOTORS CORP.

1. Using the J 23690 (1) and the J 8092 (2), install the axle shaft bearing.

2. Drive the axle shaft bearing into the housing until the tool bottoms against the tube.

2008 Chevrolet Silverado 1500

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