Axle Bearing: Service and Repair Rear Axle Hub, Bearing, Cup, and/or Seal Replacement

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Holly Newman
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1 2011 Chevy Truck Silverado WD V8-6.6L DSL Turbo Copyright 2013, ALLDATA Page 1 Axle Bearing: Service and Repair Rear Axle Hub, Bearing, Cup, and/or Seal Replacement Rear Axle Hub, Bearing, Cup, and/or Seal Replacement Special Tools * CH Axle Hub Nut Socket * DT Differential Bearing and Hub Seal Installer * DT Wheel Bearing Installer Outer Bearing Cup * DT Wheel Bearing Race Installer-Outer * DT Wheel Bearing Race Installer- Inner * J Universal Driver Handle-3/4 x 10 inch For equivalent regional tools, refer to Special Tools (See: Differential Assembly/Tools and Equipment/Rear Drive Axle). Removal Procedure Note: * The wheel speed sensor ring is NOT serviced separately. The hub and wheel speed senor ring are serviced as an assembly. * The wheel hub seal must be replaced anytime the wheel hub assembly is removed from the axle housing. 1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle (See: Maintenance/Vehicle Lifting/Service and Repair). 2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation (See: Maintenance/Wheels and Tires/Service and Repair). Note: In the following service procedure, it is not necessary to remove the brake caliper from the bracket. 3. Remove the brake caliper bracket. Refer to Rear Brake Caliper Bracket Replacement (JD9) (See: Brakes and Traction Control/Disc Brake System/Brake Caliper/Service and Repair/Removal and Replacement/Rear Brake Caliper Bracket Replacement (JD9))Rear Brake Caliper Bracket Replacement (J90, J95, J96) (See: Brakes and Traction Control/Disc Brake System/Brake Caliper/Service and Repair/Removal and Replacement/Rear Brake Caliper Bracket Replacement (J90, J95, J96)). 4. Remove the axle shaft. Refer to Rear Axle Shaft and/or Gasket Replacement (See: Seals and Gaskets/Service and Repair/Rear Axle Shaft and/or Gasket Replacement). 5. Remove the key.

3 2011 Chevy Truck Silverado WD V8-6.6L DSL Turbo Copyright 2013, ALLDATA Page 3 8. Remove the adjusting nut. Note: If the oil seal remains on the axle hub, remove the seal using a suitable seal removal tool. 9. Remove the wheel hub/brake rotor assembly (1) from the axle housing. 10. Remove the rotor, if necessary. Refer to Rear Brake Rotor Replacement (JD9) (See: Brakes and Traction Control/Disc Brake System/Brake Rotor/Disc/Service and Repair/Removal and Replacement/Rear Brake Rotor Replacement (JD9))Rear Brake Rotor Replacement (J90, J96) (See: Brakes and Traction Control/Disc Brake System/Brake Rotor/Disc/Service and Repair/Removal and Replacement/Rear Brake Rotor Replacement (J90, J96))Rear Brake Rotor Replacement (J95) (See: Brakes and Traction Control/Disc Brake System/Brake Rotor/Disc/Service and Repair/Removal and Replacement/Rear Brake Rotor Replacement (J95)). 11. Using a suitable seal removal tool, remove the oil seal from the wheel hub. 12. Remove the inner hub bearing. 13. Using a brass drift and a hammer, remove the inner hub bearing cup.

4 2011 Chevy Truck Silverado WD V8-6.6L DSL Turbo Copyright 2013, ALLDATA Page Remove the retaining ring from the wheel hub. 15. Using the DT installer (2) and the J handle (1), remove the outer hub bearing and bearing cup. nstallation Procedure 1. Lubricate the following with a light coat of high melting point EP bearing lubricant: * The outer wheel bearing * The inner wheel bearing * The outer wheel bearing cup * The inner wheel bearing cup * The axle hub spindle 2. Install the outer bearing into the wheel hub.

5 2011 Chevy Truck Silverado WD V8-6.6L DSL Turbo Copyright 2013, ALLDATA Page 5 Note: Drive the outer bearing cup into the wheel hub until it is just past the retaining ring groove. Do not bottom out the bearing assembly in the bore. 3. Using the DT installer (2) and the J handle (1), install the outer bearing cup into the wheel hub. Note: Ensure that the retaining ring is fully and evenly seated in the groove. 4. Install the retaining ring into the groove. Note: Ensure that the outer bearing assembly rotates freely in the hub 5. Using the DT installer (2) and the J handle (1), turn the wheel hub over and seat the outer bearing assembly against the retaining ring. 6. Turn the wheel hub over and install the inner bearing cup.

6 2011 Chevy Truck Silverado WD V8-6.6L DSL Turbo Copyright 2013, ALLDATA Page 6 7. Using the DT installer (2) and the J handle (1), install the inner bearing cup into the wheel hub. 8. Install the inner bearing. Note: Ensure the seal is fully seated in the hub bore. 9. Using the DT installer (2) and the J handle (1), install the new oil seal. 10. Install the rotor, if necessary. Refer to Rear Brake Rotor Replacement (JD9) (See: Brakes and Traction Control/Disc Brake System/Brake Rotor/Disc/Service and Repair/Removal and Replacement/Rear Brake Rotor Replacement (JD9))Rear Brake Rotor Replacement (J90, J96) (See: Brakes and Traction Control/Disc Brake System/Brake Rotor/Disc/Service and Repair/Removal and Replacement/Rear Brake Rotor Replacement (J90, J96))Rear Brake Rotor Replacement (J95) (See: Brakes and Traction Control/Disc Brake System/Brake Rotor/Disc/Service and Repair/Removal and Replacement/Rear Brake Rotor Replacement (J95)). 11. Apply a light coat of high melting point EP bearing lubricant to the axle housing spindle.

7 2011 Chevy Truck Silverado WD V8-6.6L DSL Turbo Copyright 2013, ALLDATA Page 7 Note: If the wheel hub assembly does not fully seat itself onto the axle shaft spindle and is removed, the wheel hub seal must be replaced. 12. Install the wheel hub to the axle housing. 13. Install the rear axle adjuster nut (1).

8 2011 Chevy Truck Silverado WD V8-6.6L DSL Turbo Copyright 2013, ALLDATA Page Using the CH wrench (1), install the adjusting nut to the hub. 15. Adjust the wheel bearings. Refer to Wheel Bearing Adjustment (See: Differential Assembly/Service and Repair/Procedures/Rear Drive Axle/Wheel Bearing Adjustment). 16. Install the adjuster nut retainer (1). 17. Install the axle shaft. Refer to Rear Axle Shaft and/or Gasket Replacement (See: Seals and Gaskets/Service and Repair/Rear Axle Shaft and/or Gasket Replacement). 18. Install the brake caliper bracket. Refer to Rear Brake Caliper Bracket Replacement (JD9) (See: Brakes and Traction Control/Disc Brake System/Brake Caliper/Service and Repair/Removal and Replacement/Rear Brake Caliper Bracket Replacement (JD9))Rear Brake Caliper Bracket Replacement (J90, J95, J96) (See: Brakes and Traction Control/Disc Brake System/Brake Caliper/Service and Repair/Removal and Replacement/Rear Brake Caliper Bracket Replacement (J90, J95, J96)). 19. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation (See: Maintenance/Wheels and Tires/Service and Repair). 20. Inspect and add axle lubricant to the axle housing, if necessary. Refer to Rear Axle Lubricant Level Inspection (8.6, 9.5 LD Axle) (See: Differential Assembly/Fluid - Differential/Service and Repair/Procedures/Rear Drive Axle/Rear Axle Lubricant Level Inspection (8.6, 9.5 LD Axle))Rear Axle Lubricant Level Inspection (10.5 Inch Axle) (See: Differential Assembly/Fluid - Differential/Service and Repair/Procedures/Rear Drive Axle/Rear Axle Lubricant Level Inspection (10.5 Inch Axle))Rear Axle Lubricant Level Inspection (11.5 Inch Axle) (See: Differential Assembly/Fluid - Differential/Service and Repair/Procedures/Rear Drive Axle/Rear Axle Lubricant Level Inspection (11.5 Inch Axle)). 21. Lower the vehicle.

Rear Axle Hub, Bearing, Cup, and/or Seal Replacement

Page 1 of 11 Rear Axle Hub, Bearing, Cup, and/or Seal Replacement Special Tools J 8092 Universal Driver Handle - 3/4 inch - 10 J 2222-C Wheel Bearing Nut Wrench J 24426 Wheel Bearing Race Installer - Outer