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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 121 (Rear Drive Axle) >> Repair Instructions >> Rear Axle Shaft Replacement (8.6, 9.5 LD Axle) >> Removal Procedure

Removal Procedure

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    Fig 1: View Of Pinion Shaft Locking Bolt
    GM156409Courtesy of GENERAL MOTORS CORP.
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  3. Remove the brake caliper. Refer to Rear Brake Caliper Replacement (1500 Series) or Rear Brake Caliper Replacement (2500 Series) .
  4. Remove the rear wheel speed sensor. Refer to Rear Wheel Speed Sensor Replacement .
  5. Remove the rear cover and the gasket. Refer to Rear Axle Housing Cover and Gasket Replacement .
  6. Remove the pinion shaft locking bolt.
    7. Fig 2: View Of Pinion Shaft
    GM156410Courtesy of GENERAL MOTORS CORP.
  7. On axles without a locking differential, remove the pinion shaft.
    8. Fig 3: View Of Pinion Shaft Contacting Axle Housing Top
    GM156411Courtesy of GENERAL MOTORS CORP.
  8. On axles with a locking differential, remove the shaft part way. Rotate the case until the pinion shaft touches the housing.
    9. Fig 4: View Of Axle Shaft, Lock & Thrust Block
    GM156412Courtesy of GENERAL MOTORS CORP.
  9. On axles with a locking differential, use a screwdriver, or a similar tool, in order to enter the differential case and rotate the lock (1) until the lock aligns with the thrust block (2).
    10. Fig 5: Axle Shaft Housing & Components
    GM391222Courtesy of GENERAL MOTORS CORP.
  10. Push the flange of the axle shaft (1) toward the differential.
  11. Remove the C-lock (4) from the button end of the axle shaft (1).
    12. IMPORTANT: When removing the axle shaft, do not rotate the shaft. Rotating the shaft will misalign the gears. Misaligning the gears will make the assembly difficult.
  12. Remove the axle shaft (1) from the housing (5).
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