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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 372 (Front Drive Axle) >> Repair Instructions >> Differential Carrier Assembly Replacement (9.25 inch) >> Installation Procedure

Installation Procedure

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  1. Install the differential carrier assembly.
    2. Fig 1: Differential Carrier Lower Mounting Bolt
    GM834278Courtesy of GENERAL MOTORS CORP.
  2. Install the differential carrier assembly lower mounting bolt and the nut.

    Do not tighten the bolt at this time.

  3. Pivot the differential carrier assembly up and back on the lower mount bolt while it is being supported by the transmission jack.
    4. Fig 2: Differential Carrier Upper Mounting Bolt
    GM834276Courtesy of GENERAL MOTORS CORP.
  4. Install the differential carrier assembly upper mounting bolt and the nut.
    5. Fig 3: Inner Axle Housing Nuts
    GM834241Courtesy of GENERAL MOTORS CORP.
    CAUTION:

    Refer to Fastener Caution .

  5. Install the inner axle housing washers and nuts to the bracket and tighten.
    • The inner axle housing nuts to 100 N.m (75 lb ft).
    • The upper and the lower differential carrier assembly bolts to 100 N.m (75 lb ft).
    6. Fig 4: Vent Hose To Differential Carrier Assembly
    GM834272Courtesy of GENERAL MOTORS CORP.
  6. Connect the vent hose to the differential carrier assembly.
  7. Remove the transmission jack.
    8. Fig 5: Wire Harness & Differential Carrier Assembly (S4WD Axle Only)
    GM924846Courtesy of GENERAL MOTORS CORP.
  8. Connect the wire harness to the differential carrier assembly, S4WD axle only.
    9. Fig 6: Wire Harness And Inner Axle Shaft Housing (S4WD Axle Only)
    GM924830Courtesy of GENERAL MOTORS CORP.
  9. Connect the wire harness to the inner axle shaft housing, S4WD axle only.
    10. Fig 7: Front Axle Actuator Electrical Connector
    GM834234Courtesy of GENERAL MOTORS CORP.
  10. Connect the electrical connector to the front axle actuator, S4WD axle only.
    11. Fig 8: Wheel Drive Shaft Inboard Flange Bolt - Front Drive Axle
    GM763646Courtesy of GENERAL MOTORS CORP.
  11. Install the wheel drive shaft inboard flange to inner axle shaft bolts, both sides, and tighten to 79 N.m (58 lb ft).
  12. Install the relay rod. Refer to Relay Rod Replacement .
  13. Install the front propeller shaft to the differential carrier assembly. Refer to Front Propeller Shaft Replacement .
  14. Fill the differential carrier assembly. Use the correct fluid. Refer to Front Axle Lubricant Replacement .
  15. Install the oil pan skid plate, if equipped. Refer to Oil Pan Skid Plate Replacement (1500 with RPO NZZ) , Oil Pan Skid Plate Replacement (2500/3500 with RPO NZZ) .
  16. Install the engine protection shield. Refer to Engine Shield Replacement .
  17. Remove the utility stands.
  18. Lower the vehicle.
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