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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1014 (Rear Drive Axle) >> Repair Instructions >> Rear Axle Hub, Bearing, Cup, and/or Seal Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. For vehicles equipped RPO code JH7, position the brake rotor on the rear axle hub.
    2. Fig 1: View Of Wheel Studs, Hub & Rotor Assembly - Rear
    GM360809Courtesy of GENERAL MOTORS CORP.
  2. Position the wheel stud in the rear axle hub.
  3. Using washers and a wheel nut, tighten the wheel nut until the wheel stud is fully seated in the rear axle hub.
  4. Remove the lug nut and the washers.
  5. 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
    6. Fig 2: Wheel Hub Outer Bearing
    GM666187Courtesy of GENERAL MOTORS CORP.
  6. Install the outer bearing into the rear axle hub.
    7. Fig 3: 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.
  7. Using the J 44419:  installer (2) and the J 8092:  handle (1), install the outer bearing cup into the rear axle hub.
    8. Fig 4: Wheel Hub Retaining Ring
    GM666208Courtesy of GENERAL MOTORS CORP.
    NOTE: Ensure that the retaining ring is fully and evenly seated in the groove.
  8. Install the retaining ring into the groove.
    9. Fig 5: Outer Hub Bearing & Bearing Cup
    GM695766Courtesy of GENERAL MOTORS CORP.
    NOTE: Ensure that the outer bearing assembly rotates freely in the hub
  9. Using the J 24426:  installer (2) and the J 8092:  handle (1), turn the rear axle hub over and seat the outer bearing assembly against the retaining ring.
    10. Fig 6: Wheel Hub Inner Bearing Cup
    GM666217Courtesy of GENERAL MOTORS CORP.
  10. Turn the rear axle hub over and install the inner bearing cup.
    11. Fig 7: Installing Bearing Cup Into Wheel Hub
    GM666250Courtesy of GENERAL MOTORS CORP.
  11. Using the J 24427:  installer (2) and the J 8092:  handle (1), install the inner bearing cup into the wheel hub.
    12. Fig 8: Inner Hub Bearing
    GM666251Courtesy of GENERAL MOTORS CORP.
  12. Install the inner bearing.
    13. Fig 9: Installing Oil Seal Using J 44420 & J 8092
    GM720311Courtesy of GENERAL MOTORS CORP.
    NOTE: Ensure the seal is fully seated in the hub bore.
  13. Using the J 44420:  installer (2) and the J 8092:  handle (1), install the new oil seal.
  14. Apply a light coat of high melting point EP bearing lubricant to the axle housing spindle.
    15. Fig 10: Wheel Hub & Axle Housing
    GM685940Courtesy of GENERAL MOTORS CORP.
    NOTE: If the rear axle hub assembly does not fully seat itself onto the axle shaft spindle and is removed, the rear axle hub seal must be replaced.
  15. Install the rear axle hub.
    16. Fig 11: Rear Wheel Bearing Adjuster Nut
    GM685938Courtesy of GENERAL MOTORS CORP.
    NOTE: Install the rear wheel bearing adjuster nut by hand.
  16. Using the J 2222-C:  wrench, adjust the rear wheel bearings. Refer to Wheel Bearing Adjustment  Wheel Bearing Adjustment
  17. Install the rear axle shaft. Refer to Rear Axle Shaft and/or Gasket Replacement  Rear Axle Shaft and/or Gasket Replacement.
  18. Install the brake caliper bracket. Refer to Rear Brake Caliper Bracket Replacement (JD9) or Rear Brake Caliper Bracket Replacement (JH6, JH7) Rear Brake Caliper Bracket Replacement.
  19. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation Tire and Wheel Removal and Installation.
  20. Inspect and add axle lubricant to the axle housing, if necessary. Refer to Rear Axle Lubricant Level Inspection (11.5 Inch Axle) , Rear Axle Lubricant Level Inspection (8.6, 9.5 LD Axle)  and Rear Axle Lubricant Level Inspection (10.5 Inch Axle)  Rear Axle Lubricant Level Inspection.
  21. Remove the supports and lower the vehicle.
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