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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 >> 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) , Drive Pinion and Ring Gear Replacement (8.6, 9.5LD Inch Axles) .
  2. Install the differential side bearings, if necessary. Refer to Differential Bearing Replacement .
  3. Lubricate the differential side bearings with axle lubricant. Refer to Fluid and Lubricant Recommendations .
    4. Fig 1: Differential Case And Axle Housing
    GM667660Courtesy of GENERAL MOTORS CORP.
    NOTE:

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

  4. Place the case, with the bearing cups installed, into the axle housing.
    5. Fig 2: Bearing Cap Bolt
    GM667502Courtesy of GENERAL MOTORS CORP.
    NOTE:

    Do not torque the bearing cap bolts at this time.

  5. Install the bearing caps and the bolts.
    6. Fig 3: Turning Adjusters Using Special Tool
    GM694535Courtesy of GENERAL MOTORS CORP.
  6. Using the J 24429  spanner, turn the adjusters evenly on each side until snug against the differential.
  7. Adjust the differential side bearing preload. Refer to Differential Carrier Bearing Preload Adjustment (8.6 Inch Axle) , Differential Carrier Bearing Preload Adjustment (9.5LD Inch Axle) , Differential Carrier Bearing Preload Adjustment (10.5 Inch Axle) .
  8. Adjust the backlash. Refer to Backlash Adjustment (10.5 Inch Axle) , Backlash Adjustment (9.5 LD Axle) , Backlash Adjustment (8.6 Inch Axle) .
  9. Perform a gear tooth contact pattern check. Refer to Gear Tooth Contact Pattern Inspection .
    10. CAUTION:

    Refer to Fastener Caution .

  10. 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, 9.5 Inch Axles) , Rear Axle Housing Cover and Gasket Replacement (10.5 Inch Axle) .
  13. Fill the axle with the proper lubricant. Refer to Approximate Fluid Capacities , and Fluid and Lubricant Recommendations .
  14. Remove the lower the vehicle.
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