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

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

Tools Required
* J 8092 Universal Driver Handle - 3/4 inch - 10
* J 2222-C Wheel Bearing Nut Wrench
* J 24426 Wheel Bearing Race Installer - Outer
* J 24427 Wheel Bearing Race Installer - Inner
* J 44419 Hub Outer Bearing Race Installer
* J 44420 Differential Bearing and Hub Seal Installer

Removal Procedure

Important: The wheel hub seal must be replaced anytime the wheel hub assembly is removed from the axle housing.

1. Raise the vehicle. Refer to Vehicle Lifting.
2. Remove the tire and wheel assembly.
3. Remove the brake caliper bracket. It is not necessary to remove the brake caliper from the bracket.
4. Remove the axle shaft.




5. Remove the axle nut retaining ring.




6. Remove the key.




7. Remove the adjusting nut using the J 2222-C.




8. Remove the adjusting nut.




9. Remove the hub from the axle housing.
10. Remove the rotor, if necessary.
11. Remove the oil seal from the wheel hub using a suitable seal removal tool.




12. Remove the inner hub bearing.




13. Remove the inner hub bearing cup using a brass drift and a hammer.




14. Remove the retaining ring from the wheel hub.




15. Remove the outer hub bearing and bearing cup using the J 24426 (2) and the J 8092 (1).

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 housing




2. Install the outer bearing into the wheel hub.




3. Install the outer bearing cup into the wheel hub.




4. Drive the outer bearing cup into the wheel hub using the J 44419 (2) and the J 8092 (1).
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.




5. Install the retaining ring into the groove. Make sure the retaining ring is fully and evenly seated in the groove.




6. Turn the wheel hub over and seat the outer bearing assembly against the retaining ring using the J 24426 (2) and the J 8092 (1).
7. Ensure that the outer bearing assembly rotates freely in the hub.




8. Turn the wheel hub over and install the inner bearing cup.




9. Drive the inner bearing cup into the wheel hub using the J 24427 (2) and the J 8092 (1).




10. Install the inner bearing.





Important: The rubber outer sealing rings of the oil seal must be driven into the wheel hub first.

11. Install the new oil seal using the J 44420 (2) and the J 8092 (1).
12. Install the rotor, if necessary.
13. Apply a light coat of high melting point EP bearing lubricant to the axle housing spindle.





Important: 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.

14. Install the wheel hub to the axle housing.




15. Install the adjusting nut to the hub using the J 2222-C.
16. Adjust the wheel bearings.
17. Install the axle shaft.
18. Install the brake caliper bracket.
19. Install the tire and wheel assembly.
20. Inspect and add axle lubricant to the axle housing, if necessary.
21. Lower the vehicle.