GM Service Manual Online
For 1990-2009 cars only

Rear Axle Housing Replacement 10.5, 10.75 Inch Axles

Removal Procedure

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the rear axle assembly. Refer to Rear Axle Replacement.
  3. Remove the brake rotors. Refer to Rear Brake Rotor Replacement.
  4. Remove the rear axle hub, cup and/or seal replacement. Refer to Rear Axle Hub, Bearing, Cup, and/or Seal Replacement.
  5. Remove the rear axle housing cover and gasket. Refer to Rear Axle Housing Cover and Gasket Replacement.
  6. Remove the rear brake shields. Refer to Rear Brake Shield Replacement.
  7. Remove the differential assembly. Refer to Differential Replacement.
  8. Remove the drive pinion shaft yoke and the oil seal. Refer to Drive Pinion Flange/Yoke and/or Oil Seal Replacement.
  9. Remove the drive pinion and the ring gear. Refer to Drive Pinion and Ring Gear Replacement.
  10. Remove the pinion bearings. Refer to Drive Pinion Bearings Replacement.

Installation Procedure

  1. Install the drive pinion bearings. Refer to Drive Pinion Bearings Replacement.
  2. Install the drive pinion and the ring gear. Refer to Drive Pinion and Ring Gear Replacement.
  3. Install the drive pinion shaft yoke and the oil seal. Refer to Drive Pinion Flange/Yoke and/or Oil Seal Replacement.
  4. Install the differential assembly. Refer to Differential Replacement.
  5. Adjust the differential side bearing preload. Refer to Differential Carrier Bearing Preload Adjustment.
  6. Adjust the drive pinion to ring gear backlash. Refer to Backlash Adjustment.
  7. Perform a gear tooth contact pattern check. Refer to Gear Tooth Contact Pattern Inspection.
  8. Install the rear brake shields. Refer to Rear Brake Shield Replacement.
  9. Install he rear axle hub, cup and/or seal replacement. Refer to Rear Axle Hub, Bearing, Cup, and/or Seal Replacement.
  10. Install the rear axle housing cover and gasket. Refer to Rear Axle Housing Cover and Gasket Replacement.
  11. Install the brake rotors. Refer to Rear Brake Rotor Replacement.
  12. Install the rear axle assembly. Refer to Rear Axle Replacement.
  13. Fill the axle with lubricant. Refer to Rear Axle Lubricant Replacement.
  14. Remove the support and lower the vehicle.

Rear Axle Housing Replacement 8.6, 9.5, 9.75 Inch Axles

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Drain the rear axle lubricant. Refer to Reed Tachometer Description.
  3. Remove the rear axle assembly. Refer to Rear Axle Replacement.
  4. Remove the rear axle housing cover and gasket. Refer to Rear Axle Housing Cover and Gasket Replacement.
  5. Remove the rear wheel speed sensor. Refer to Rear Wheel Speed Sensor Replacement.
  6. Remove the rear axle shafts. Refer to Rear Axle Shaft Replacement.
  7. Remove the rear brake shields. Refer to Rear Brake Shield Replacement.
  8. Remove the differential assembly. Refer to Differential Replacement.
  9. Remove the drive pinion shaft yoke and the oil seal. Refer to Drive Pinion Flange/Yoke and/or Oil Seal Replacement.
  10. Remove the drive pinion bearings. Refer to Drive Pinion and Ring Gear Replacement.

Installation Procedure

  1. Install the drive pinion bearings. Refer to Drive Pinion Bearings Replacement.
  2. Install the drive pinion and ring gear. Refer to Drive Pinion and Ring Gear Replacement.
  3. Install the drive pinion shaft yoke and the oil seal. Refer to Drive Pinion Flange/Yoke and/or Oil Seal Replacement.
  4. Install the differential assembly. Refer to Differential Replacement.
  5. Adjust the differential carrier bearing preload. Refer to Differential Carrier Bearing Preload Adjustment.
  6. Adjust the drive pinion depth adjustment. Refer to Pinion Depth Adjustment.
  7. Inspect the gear tooth contact pattern. Refer to Gear Tooth Contact Pattern Inspection.
  8. Install the rear brake shields. Refer to Rear Brake Shield Replacement.
  9. Install the rear axle shafts. Refer to Rear Axle Shaft Replacement.
  10. Install the rear wheel speed sensor. Refer to Rear Wheel Speed Sensor Replacement.
  11. Install the rear axle cover and gasket. Refer to Rear Axle Shaft and/or Gasket Replacement.
  12. Install the rear axle housing cover and gasket. Refer to Rear Axle Housing Cover and Gasket Replacement.
  13. Install the rear axle assembly. Refer to Rear Axle Replacement.
  14. Fill the axle with gear lubricant. Refer to Rear Axle Lubricant Replacement.
  15. Remove the support and lower the vehicle.