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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 Replacement (8.6, 9.5LD Inch Axles) >> Installation Procedure

Installation Procedure

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    Fig 1: Rear Drive Axle Assembly
    GM1965187Courtesy of GENERAL MOTORS CORP.
  1. Position the rear drive axle assembly under the vehicle.
  2. With the aide of an assistant, raise the rear drive axle into place.
  3. Install the rear coil springs on the rear drive axle.
  4. Install the upper control arms to the rear drive axle. Refer to Rear Axle Upper Control Arm Replacement .
  5. Install the lower control arms to the rear drive axle. Refer to Rear Axle Lower Control Arm Replacement .
  6. Install the lower shock absorber bolts to the rear drive axle. Refer to Shock Absorber Replacement (2500) , Shock Absorber Replacement (1500) .
  7. Remove the hydraulic jack stand from the rear drive axle assembly.
    8. Fig 2: Rear Brake Pipe Retaining Bracket Bolt And Brake Junction Block Retaining Bolt
    GM1965042Courtesy of GENERAL MOTORS CORP.
    CAUTION:

    Refer to Fastener Caution .

  8. Install the rear brake pipe retaining bracket bolt (1) and tighten to 20 N.m (15 lb ft).
  9. Install the rear brake junction block retaining bolt (2) at the rear axle cover and tighten to 20 N.m (15 lb ft).
    10. Fig 3: Rear Drive Axle Vent Hose
    GM1965295Courtesy of GENERAL MOTORS CORP.
  10. Install rear drive axle the vent hose.
    11. NOTE:

    Rotate the stabilizer shaft links down into position to install them.

  11. Install the rear stabilizer shaft, if equipped. Refer to Stabilizer Shaft Replacement .
  12. Install the rear wheel speed sensors.
  13. Install the rear axle tie rod. Refer to Rear Axle Tie Rod Replacement .
  14. Install the rear brake calipers. Refer to Rear Brake Caliper Replacement (1500 Series) , Rear Brake Caliper Replacement (2500 Series) .
  15. Install the rear propeller shaft. Refer to Rear Propeller Shaft Replacement .
  16. Install the air level sensors.
  17. Fill the rear drive axle with fluid. Refer to Differential Oil Replacement (8.6 Inch Axle) , Differential Oil Replacement (10.5 Inch Axle) , Differential Oil Replacement (9.5LD Inch Axle) .
  18. Install the rear tires and wheels. Refer to Tire and Wheel Removal and Installation .
  19. Remove the supports and lower the vehicle.
  20. Calibrate the air level control, if needed. Refer to Suspension Position Calibration (Without Z95) , Suspension Position Calibration (With Z95) .
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