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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Rear Drive Axle >> Repair Instructions >> Rear Axle Shaft Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Rear Axle Housing
    GM913413Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Carefully insert the axle shaft in order to not damage the seal.
  1. Install the axle shaft into the rear axle housing.
  2. Slide the axle shaft into place allowing the splines to engage the differential side gear.
    3. Fig 2: Axle Shaft Housing & Components
    GM391222Courtesy of GENERAL MOTORS CORP.
  3. Place the lock (4) on the button end of the axle shaft (1).
  4. Pull the shaft flange outward in order to seat the lock in the differential gear.
    5. Fig 3: View Of Pinion Shaft Locking Bolt
    GM156409Courtesy of GENERAL MOTORS CORP.
  5. Align the hole in the pinion shaft with the bolt hole in the differential case.
    6. NOTE: Refer to Fastener Notice .
  6. Install the new pinion shaft locking bolt.

    Tighten:  Tighten the pinion shaft locking bolt to 53 N.m (39 lb ft).

  7. Install the rear cover and the gasket. Refer to Rear Axle Housing Cover and Gasket Replacement .
  8. Install the rear wheel speed sensor. Refer to Rear Wheel Speed Sensor Replacement .
  9. Install the brake rotor. Refer to Rear Brake Rotor Replacement .
  10. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  11. Fill the rear axle. Refer to Rear Axle Lubricant Replacement .
  12. Lower the vehicle.
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