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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 214 (Rear Drive Axle) >> Repair Instructions >> Differential Overhaul (10.5 Inch Axle) >> Assembly Procedure

Assembly Procedure

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  1. Lubricate the differential side gears and the differential pinion gears with axle lubricant. Use the proper fluid. Refer to Fluid and Lubricant Recommendations .
  2. Fig 1: Differential Side Gears
    GM739943Courtesy of GENERAL MOTORS CORP.
  3. Install the differential side gears into the differential case.

    If the original differential side gears are being used, install the gears in the original location.

  4. Fig 2: Differential Pinion Gears
    GM739941Courtesy of GENERAL MOTORS CORP.
  5. Assemble the differential pinion gears and the thrust washers to the differential spider as shown.

    If the original differential pinion gears, the thrust washers and the differential spider are being used, install the components in the original locations.

  6. Fig 3: Aligning Differential Case Arrows
    GM739964Courtesy of GENERAL MOTORS CORP.
  7. Assemble the differential case halves.

    Align the arrow in the differential case as shown.

  8. IMPORTANT: The mating surface of the ring gear and the differential case must be clean and free of burrs before installing the ring gear.
  9. Install the ring gear to the differential case.
  10. Fig 4: Ring Gear Bolts (10.5 Inch Axle)
    GM739940Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  11. Install the new ring gear bolts.

    Hand start each bolt to ensure that the ring gear is properly installed to the differential case.

  12. Tighten the ring gear bolts. Tighten the bolts alternately and in stages, gradually pulling the ring gear onto the differential case.

    Tighten:  Tighten the ring gear bolts in sequence to 165 N.m (122 lb ft).

  13. Install the differential side bearings by performing the following steps:
    1. In order to protect the differential case, install the J 8107-3  in the case on the side opposite the bearing installation.
    2. Install the J 29710  and the J 8092  onto the differential case bearing.
    3. Drive the bearing onto the case using the J 29710  and the J 8092  .