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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 259 (Front Drive Axle) >> Repair Instructions >> Differential Carrier Assembly Replacement (8.25 inch) >> Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the lower control arm crossmember. Refer to Drivetrain and Front Suspension Frame Front Crossmember Replacement (2WD 2500 HD, 3500) or Drivetrain and Front Suspension Frame Front Crossmember Replacement (1500, 2500 LD) .
    3. IMPORTANT: If removing the differential carrier assembly to service other components, it is not necessary to drain the differential carrier.
  3. Drain the differential carrier. Refer to Front Axle Lubricant Replacement .
    4. Fig 1: View Of Differential Carrier Wiring Harness
    GM1752191Courtesy of GENERAL MOTORS CORP.
  4. Remove the wiring harness from the differential carrier, if needed.
    5. Fig 2: View Of Front Axle Actuator Electrical Connector
    GM834234Courtesy of GENERAL MOTORS CORP.
  5. Remove the electrical connector from the actuator motor.
    6. Fig 3: View Of Differential Carrier Vent Hose
    GM1751853Courtesy of GENERAL MOTORS CORP.
  6. Remove the differential carrier vent hose.
    7. Fig 4: View Of Wheel Drive Shaft Inboard Flange Bolt - Front Drive Axle
    GM763646Courtesy of GENERAL MOTORS CORP.
  7. Remove the wheel drive shaft mounting bolts.
  8. Remove the front propeller shaft. Refer to Front Propeller Shaft Replacement .
  9. Support the differential carrier with a transmission jack.
    10. Fig 5: View Of Right Differential Carrier Mounting Nuts & Washers
    GM1751768Courtesy of GENERAL MOTORS CORP.
  10. Remove the right differential carrier mounting nuts and washers.
    11. Fig 6: View Of Left Differential Carrier Mounting Bolts
    GM1751779Courtesy of GENERAL MOTORS CORP.
  11. Remove the left differential carrier mounting bolts.
    12. Fig 7: View Of Differential Carrier Assembly
    GM1751840Courtesy of GENERAL MOTORS CORP.
  12. With the aid of an assistant, pivot the differential carrier forward and down to remove the it from the vehicle.
  13. Remove the differential carrier assembly from the vehicle.
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