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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 103 (Front Drive Axle) >> Repair Instructions >> Differential Carrier Assembly Replacement (2500 4WD) >> Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn the steering wheel all the way to the left.
  2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Place jack or utility stands at the rear end of the vehicle.
  4. Remove the engine protection shield. Refer to Engine Shield Replacement .
  5. Remove the front differential carrier assembly shield, if equipped. Refer to Shield Replacement .
  6. Drain the differential carrier assembly. Refer to Lubricant Replacement - Front Drive Axle .
  7. Disconnect the front propeller shaft from the differential carrier assembly. Refer to Front Propeller Shaft Replacement .
  8. Remove the relay rod. Refer to Relay Rod Replacement .
  9. Support the differential carrier assembly with a transmission jack or equivalent.
    10. Fig 1: View Of Wheel Drive Shaft Inboard Flange Bolt - Front Drive Axle
    GM763646Courtesy of GENERAL MOTORS CORP.
  10. Remove the wheel drive shaft inboard flange bolts from the inner axle shaft, both sides.
    11. Fig 2: View Of Front Axle Actuator Electrical Connector
    GM834234Courtesy of GENERAL MOTORS CORP.
  11. Disconnect the electrical connector from the front axle actuator, S4WD axle only.
    12. Fig 3: View Of Wire Harness To Inner Axle Shaft Housing (S4WD)
    GM924830Courtesy of GENERAL MOTORS CORP.
  12. Disconnect the wire harness from the inner axle shaft housing, S4WD axle only.
    13. Fig 4: View Of Wire Harness To Differential Carrier Assembly (S4WD)
    GM924846Courtesy of GENERAL MOTORS CORP.
  13. Disconnect the wire harness from the differential carrier assembly, S4WD axle only.
    14. Fig 5: View Of Vent Hose To Differential Carrier Assembly
    GM834272Courtesy of GENERAL MOTORS CORP.
  14. Disconnect the vent hose from the differential carrier assembly.
    15. Fig 6: View Of Inner Axle Housing Nuts
    GM834241Courtesy of GENERAL MOTORS CORP.
  15. Remove the inner axle housing nuts and washers from the bracket.
    16. Fig 7: View Of Differential Carrier Upper Mounting Bolt
    GM834276Courtesy of GENERAL MOTORS CORP.
  16. Remove the differential carrier assembly upper mounting bolt and the nut.
  17. Pivot the differential carrier assembly forward and down on the lower mount bolt while it is being supported by the transmission jack.
  18. Secure the differential carrier assembly to the jack.
    19. Fig 8: View Of Differential Carrier Lower Mounting Bolt
    GM834278Courtesy of GENERAL MOTORS CORP.
  19. Remove the differential carrier assembly lower mounting bolt and the nut.
  20. Remove the differential carrier assembly.
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