GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 8092 Driver Handle
    • J 24426 Wheel Bearing Race Installer -- Outer
    • J 24427 Wheel Bearing Race Installer -- Outer
    • J 44419 Hub Outer Bearing Race Installer
    • J 44420 Differential Bearing and Hub Seal Installer

Removal Procedure

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  3. Remove the hub and rotor assembly. Refer to Hub and Rotor Assembly Replacement .
  4. Remove the oil seal from the wheel hub using a suitable seal removal tool.

  5. Object Number: 666251  Size: SH
  6. Remove the inner hub bearing.

  7. Object Number: 768683  Size: SH
  8. Remove the inner hub bearing cup using a brass drift and a hammer.

  9. Object Number: 666208  Size: SH
  10. Remove the retaining ring from the wheel hub.

  11. Object Number: 695766  Size: SH
  12. 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:
  2. • The outer wheel bearing
    • The inner wheel bearing
    • The outer wheel bearing cup
    • The inner wheel bearing cup
    • The axle housing

    Object Number: 666187  Size: SH
  3. Install the outer bearing into the wheel hub.

  4. Object Number: 666199  Size: SH
  5. Install the outer bearing cup into the wheel hub.

  6. Object Number: 666203  Size: SH
  7. Drive the bearing cup into the wheel hub using the J 44419 (2) and the J 8092  (1).

  8. Object Number: 666208  Size: SH
  9. Install the retaining ring into the groove. Make sure the retaining ring is fully and evenly seated in the groove.

  10. Object Number: 666217  Size: SH
  11. Install the inner bearing cup.

  12. Object Number: 666250  Size: SH
  13. Drive the inner bearing cup into the wheel hub using the J 24427 (2) and the J 8092 (1).

  14. Object Number: 666251  Size: SH
  15. Install the inner bearing.

  16. Object Number: 720311  Size: SH

    Important: Each time you replace the wheel hub bearings, install a new oil seal in order to prevent the wheel hub from leaking.

  17. Install the new oil seal using the J 44420  (2) and the J 8092  (1).
  18. Install the hub and rotor assembly. Refer to Hub and Rotor Assembly Replacement .
  19. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  20. Inspect and add axle lubricant to the axle housing, if necessary. Refer to Lubricant Level Check .
  21. Lower the vehicle.