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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 Replacement (10.5 Inch Axle) >> Installation Procedure

Installation Procedure

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  1. Install the ring gear, if necessary. Refer to Drive Pinion and Ring Gear Replacement (10.5 Inch Axle)  or Drive Pinion and Ring Gear Replacement (8.6 Inch Axle) .
  2. Install the differential side bearings, if necessary. Refer to Differential Side Bearings Replacement .
  3. Lubricate the differential side bearings with axle lubricant. Use the proper fluid. Refer to Fluid and Lubricant Recommendations .
    4. Fig 1: View Of Differential Case And Axle Housing
    GM667660Courtesy of GENERAL MOTORS CORP.
  4. Place the case, with the bearing cups installed, into the axle housing.

    Support the case in order to keep the case from falling out of the axle housing.

    5. Fig 2: Identifying Bearing Cap Bolt
    GM667502Courtesy of GENERAL MOTORS CORP.
  5. Install the bearing caps and the bolts.

    Do not torque the bearing cap bolts at this time.

    6. Fig 3: Turning Adjusters Using J 24429
    GM694535Courtesy of GENERAL MOTORS CORP.
  6. Turn the adjusters evenly on each side using the J 24429  until snug against the differential. See Special Tools .
  7. Adjust the differential side bearing preload. Refer to Differential Carrier Bearing Preload Adjustment (8.6 Inch Axle)  or Differential Carrier Bearing Preload Adjustment (10.5 Inch Axle) .
  8. Adjust the backlash. Refer to Backlash Adjustment (8.6 Inch Axle)  or Backlash Adjustment (10.5 Inch Axle) .
  9. Perform a gear tooth contact pattern check. Refer to Gear Tooth Contact Pattern Inspection .
    10. NOTE: Refer to FASTENER NOTICE .
  10. Tighten the bearing cap bolts.

    Tighten:  Tighten the bearing cap bolts to 185 N.m (136 lb ft).

  11. Install the axle shafts and new gaskets. Refer to Rear Axle Shaft and/or Gasket Replacement .
  12. Install the rear axle housing cover and a new gasket. Refer to Rear Axle Housing Cover and Gasket Replacement (8.6 Inch axle)  or Rear Axle Housing Cover and Gasket Replacement (10.5 Inch Axle) .
  13. Fill the axle with lubricant. Use the proper fluid. Refer to Approximate Fluid Capacities and Fluid and Lubricant Recommendations .
  14. Remove the lower the vehicle.
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