GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  3. Remove the brake drum.
  4. Remove the rear axle housing cover. Refer to Carrier Cover Gasket Replacement .
  5. Remove the pinion shaft lock bolt. Refer to Differential Case Replacement.

  6. Object Number: 9769  Size: SH
  7. Remove the pinion shaft.

  8. Object Number: 9774  Size: SH
  9. Push the axle shaft in toward the center of the vehicle. Remove the C-lock from the button end of the axle shaft.

  10. Object Number: 9770  Size: SH
  11. Remove the axle shaft from the axle housing. Mark the shaft as left or right.

Installation Procedure

  1. Lubricate the axle shaft wheel bearing surface and the oil seal surface with axle lubricant. Refer to Fluid and Lubricant Recommendations in Maintenance and Lubrication.
  2. Important: 

       • Use the correct axle on the axle's corresponding side.
       • Do not damage the oil seal.
       • The splined end of the axle shaft must engage the splines of the rear axle side gear.


    Object Number: 9771  Size: SH
  3. Install the axle shaft into the axle housing.

  4. Object Number: 9774  Size: SH
  5. Install the C-lock on the axle shaft. Pull the axle shaft outward so the C-lock seats in the counterbore of the rear axle side gear.

  6. Object Number: 9775  Size: SH
  7. Install the pinion shaft through the case and the pinions.
  8. Install the pinion shaft lock bolt. Refer to Differential Replacement.
  9. Install the rear axle housing cover. Refer to Carrier Cover Gasket Replacement .
  10. Install the brake drum.
  11. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  12. Lower the vehicle.
  13. Inspect the rear axle operation.