Rear Axle Hub, Bearing, Cup, and/or Seal Replacement
Rear Axle Hub, Bearing, Cup, and/or Seal Replacement
Special Tools
* J 2222-C - Wheel Bearing Nut Wrench
* J 8092 - Universal Driver Handle - 3/4 x 10 inch
* J 24426 - Outer Wheel Bearing Race Installer
* J 24427 - Inner Wheel Bearing Race Installer
* J 44419 - Hub Bearing Installer
* J 44420 - Differential Bearing Installer
Removal Procedure
Note: 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 (Service and Repair).
2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation (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 (1500 Series) (Rear Brake Caliper Bracket Replacement (1500 Series))Rear Brake Caliper Bracket Replacement (2500 Series) (Rear Brake Caliper Bracket Replacement (2500 Series)).
4. Remove the axle shaft. Refer to Rear Axle Shaft and/or Gasket Replacement (Rear Axle Shaft and/or Gasket Replacement).
5. Remove the axle nut retaining ring.
6. Remove the key.
7. Using the J 2222-C - wrench , and loosen the adjusting nut.
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 hub from the axle housing.
10. Remove the rotor, if necessary. Refer to Rear Brake Rotor Replacement (1500 Series) (Service and Repair)Rear Brake Rotor Replacement (2500 Series) (Service and Repair).
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.
14. Remove the retaining ring from the wheel hub.
15. Using the J 24426 - installer (2) and the J 8092 - handle (1), remove the outer hub bearing and bearing cup.
Installation 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.
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 J 44419 - installer (2) and the J 8092 - 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 J 24426 - installer (2) and the J 8092 - 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.
7. Using the J 24427 - installer (2) and the J 8092 - 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 J 44420 - installer (2) and the J 8092 - handle (1), install the new oil seal.
10. Install the rotor, if necessary. Refer to Rear Brake Rotor Replacement (1500 Series) (Service and Repair)Rear Brake Rotor Replacement (2500 Series) (Service and Repair).
11. Apply a light coat of high melting point EP bearing lubricant to the axle housing spindle.
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. Using the J 2222-C - wrench , install the adjusting nut to the hub.
14. Adjust the wheel bearings. Refer to Wheel Bearing Adjustment (Wheel Bearing Adjustment).
15. Install the axle shaft. Refer to Rear Axle Shaft and/or Gasket Replacement (Rear Axle Shaft and/or Gasket Replacement).
16. Install the brake caliper bracket. Refer to Rear Brake Caliper Bracket Replacement (1500 Series) (Rear Brake Caliper Bracket Replacement (1500 Series))Rear Brake Caliper Bracket Replacement (2500 Series) (Rear Brake Caliper Bracket Replacement (2500 Series)).
17. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation (Service and Repair).
18. Inspect and add axle lubricant to the axle housing, if necessary. Refer to Rear Axle Lubricant Level Inspection (10.5 Inch Axle) (Rear Axle Lubricant Level Inspection (10.5 Inch Axle))Rear Axle Lubricant Level Inspection (8.6, 9.5 LD Axle) (Rear Axle Lubricant Level Inspection (8.6, 9.5 LD Axle)).
19. Lower the vehicle.