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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 339 (Rear Drive Axle) >> Repair Instructions >> Rear Axle Hub, Bearing, Cup, and/or Seal Replacement >> Installation Procedure

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 hub spindle
    2. Fig 1: Wheel Hub Outer Bearing
    GM666187Courtesy of GENERAL MOTORS CORP.
  2. Install the outer bearing into the wheel hub.
    3. Fig 2: Driving Bearing Cup Into Wheel Hub
    GM666203Courtesy of GENERAL MOTORS CORP.
    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.
    4. Fig 3: Wheel Hub Retaining Ring
    GM666208Courtesy of GENERAL MOTORS CORP.
    NOTE:

    Ensure that the retaining ring is fully and evenly seated in the groove.

  4. Install the retaining ring into the groove.
    5. Fig 4: Outer Hub Bearing & Bearing Cup
    GM695766Courtesy of GENERAL MOTORS CORP.
    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. Fig 5: Wheel Hub Inner Bearing Cup
    GM666217Courtesy of GENERAL MOTORS CORP.
  6. Turn the wheel hub over and install the inner bearing cup.
    7. Fig 6: Driving Inner Bearing Cup Into Wheel Hub
    GM666250Courtesy of GENERAL MOTORS CORP.
  7. Using the J 24427  installer (2) and the J 8092  handle (1), install the inner bearing cup into the wheel hub.
    8. Fig 7: Inner Hub Bearing
    GM666251Courtesy of GENERAL MOTORS CORP.
  8. Install the inner bearing.
    9. Fig 8: Installing Oil Seal Using Special Tools
    GM720311Courtesy of GENERAL MOTORS CORP.
    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) , Rear Brake Rotor Replacement (2500 Series) .
  11. Apply a light coat of high melting point EP bearing lubricant to the axle housing spindle.
    12. Fig 9: Wheel Hub And Axle Housing
    GM685940Courtesy of GENERAL MOTORS CORP.
    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. Fig 10: Adjusting Nut And Special Tool
    GM685938Courtesy of GENERAL MOTORS CORP.
  13. Using the J 2222-C  wrench, install the adjusting nut to the hub.
  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 bracket. Refer to Rear Brake Caliper Bracket Replacement (1500 Series) , Rear Brake Caliper Bracket Replacement (2500 Series) .
  17. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  18. Inspect and add axle lubricant to the axle housing, if necessary. Refer to Rear Axle Lubricant Level Inspection (8.6, 9.5 LD Axle) , Rear Axle Lubricant Level Inspection (10.5 Inch Axle) .
  19. Lower the vehicle.
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