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Installation Procedure

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  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.
    Fig 1: Installing Rear Axle Hub, Bearing, Cup, And/Or Seal (1 Of 10)
    G01456098Courtesy of GENERAL MOTORS CORP.
  3. Install the outer bearing cup into the wheel hub.
    Fig 2: Installing Rear Axle Hub, Bearing, Cup, And/Or Seal (2 Of 10)
    G01456099Courtesy of GENERAL MOTORS CORP.
  4. Drive the bearing cup into the wheel hub using the J 44419  (2) and the J 8092  (1).
    Fig 3: Installing Rear Axle Hub, Bearing, Cup, And/Or Seal (3 Of 10)
    G01456100Courtesy of GENERAL MOTORS CORP.
  5. Install the retaining ring into the groove. Make sure the retaining ring is fully and evenly seated in the groove.
    Fig 4: Installing Rear Axle Hub, Bearing, Cup, And/Or Seal (4 Of 10)
    G01456101Courtesy of GENERAL MOTORS CORP.
  6. Install the inner bearing cup.
    Fig 5: Installing Rear Axle Hub, Bearing, Cup, And/Or Seal (5 Of 10)
    G01456102Courtesy of GENERAL MOTORS CORP.
  7. Drive the inner bearing cup into the wheel hub using the J 24427  (2) and the J 8092  (1).
    Fig 6: Installing Rear Axle Hub, Bearing, Cup, And/Or Seal (6 Of 10)
    G01456103Courtesy of GENERAL MOTORS CORP.
  8. Install the inner bearing.
    Fig 7: Installing Rear Axle Hub, Bearing, Cup, And/Or Seal (7 Of 10)
    G01456104Courtesy of GENERAL MOTORS CORP.

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

  9. Install the new oil seal using the J 44420  (2) and the J 8092  (1).
  10. Install the rotor, if necessary. Refer to REMOVAL (REAR -- ALL WITH 4-WHEEL STEERING) or REMOVAL (REAR -- WITHOUT DUAL WHEELS & 4-WHEEL) in Disc Brakes.
  11. Apply a light coat of high melting point EP bearing lubricant to the axle housing spindle.
    Fig 8: Installing Rear Axle Hub, Bearing, Cup, And/Or Seal (8 Of 10)
    G01456105Courtesy of GENERAL MOTORS CORP.
  12. Install the wheel hub to the axle housing.
    Fig 9: Installing Rear Axle Hub, Bearing, Cup, And/Or Seal (9 Of 10)
    G01456106Courtesy of GENERAL MOTORS CORP.
  13. Install the adjusting nut to the hub using the J 2222-C. 
  14. Adjust the wheel bearings. Refer to WHEEL BEARING ADJUSTMENT  .
  15. Install the axle shaft. Refer to REAR AXLE SHAFT AND/OR GASKET REPLACEMENT  .
  16. Install the brake caliper. Refer to BRAKE CALIPER in Disc Brakes.
  17. Install the tire and wheel assembly. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
  18. Inspect and add axle lubricant to the axle housing, if necessary. Refer to LUBRICANT LEVEL INSPECTION - REAR DRIVE AXLE (8.6 INCH AXLE)  or LUBRICANT LEVEL INSPECTION - REAR DRIVE AXLE (9.5, 10.5 INCH AXLE)  or LUBRICANT LEVEL INSPECTION - REAR DRIVE AXLE (9.75 INCH AXLE)  .
  19. Lower the vehicle.
    Fig 10: Installing Rear Axle Hub, Bearing, Cup, And/Or Seal (10 Of 10)
    G01456107Courtesy of GENERAL MOTORS CORP.
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