GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Drain the differential carrier assembly. Refer to Front Axle Lubricant Replacement .
  3. Remove the engine protection shield. Refer to Engine Protection Shield Replacement .

  4. Object Number: 1199394  Size: SH
  5. Disconnect the wheel drive shaft from the inner axle shaft. Refer to Wheel Drive Shaft Replacement .
  6. It is not necessary to remove the wheel drive shaft from the vehicle.


    Object Number: 1199444  Size: SH
  7. Place a pry bar between the inner axle shaft flange and the inner axle shaft housing.
  8. Disconnect the inner axle shaft from the differential case side gear using the pry bar.
  9. Do not remove the inner axle shaft at this time.

  10. Install a support jack underneath the differential carrier assembly.

  11. Object Number: 1199431  Size: SH
  12. Remove the upper inner shaft housing bushing bolt and nut.

  13. Object Number: 1199447  Size: SH
  14. Remove the lower inner shaft housing bushing bolt and nut.

  15. Object Number: 1199437  Size: SH
  16. Remove the inner axle shaft housing bolts from the differential carrier assembly.

  17. Object Number: 1199406  Size: SH
  18. Remove the inner axle shaft and inner axle shaft housing from the vehicle.
  19. Remove the inner axle shaft from the inner axle shaft housing.
  20. Remove the inner axle shaft seal and the bearing from the inner axle shaft housing. Refer to Front Drive Axle Inner Shaft Seal and Inner Shaft Bearing Replacement .

Installation Procedure

  1. Install the new inner axle shaft bearing and the new seal to the inner axle shaft housing. Refer to Front Drive Axle Inner Shaft Seal and Inner Shaft Bearing Replacement .

  2. Object Number: 892402  Size: SH

    Important: Do not nick or cut the inner axle shaft oil seal.

  3. Install the inner axle shaft into the inner axle housing.
  4. Do not install the inner axle shaft completely into the inner axle shaft housing at this time.

  5. Apply sealant GM P/N 1052942 (Canadian P/N 10953466) or equivalent to the inner axle housing to differential carrier sealing surface.

  6. Object Number: 892399  Size: SH
  7. Install the inner axle shaft housing with the inner axle shaft to the differential carrier assembly.
  8. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1199437  Size: SH
  9. Install the inner axle shaft housing bolts.
  10. Tighten
    Tighten the inner axle shaft housing bolts to 48 N·m (35 lb ft).


    Object Number: 1199447  Size: SH
  11. Install the lower inner axle shaft housing bushing bolt and nut.

  12. Object Number: 1199431  Size: SH
  13. Install the upper inner axle shaft housing bushing bolt and nut.
  14. Tighten
    Tighten the upper and lower inner axle shaft housing bushing bolts to 85 N·m (63 lb ft).

  15. Remove the support jack.
  16. Install the inner axle shaft into the differential case side gear by doing the following:
  17. 9.1. Carefully guide the inner axle shaft through the inner axle housing until the retaining ring on the inner axle shaft contacts the differential case side gear.
    9.2. Install the inner axle shaft into the differential case side gear by tapping the retaining ring into the retaining groove using a soft-faced mallet and until the retaining ring on the inner axle shaft is fully seated within the groove in the differential case side gear.
    9.3. Pull back on the inner axle shaft to ensure that the inner axle shaft is properly retained in the differential case side gear.
  18. Install the wheel drive shaft to the inner axle shaft. Refer to Wheel Drive Shaft Replacement .
  19. Fill the differential carrier assembly with axle lubricant. Use the proper fluid. Refer to Front Axle Lubricant Replacement .
  20. Lower the vehicle.