GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 29369-2 Bushing and Bearing Remover - 2-3 Inch
    • J 38868 Output Shaft Assembly Remover and Installer
    • J 4972-4 Output Shaft Needle Bearing Installer
    • J 6125-1B Slide Hammer with Adapter

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Drain the transfer case fluid. Refer to Transfer Case Fluid Replacement .
  3. Remove the right wheel drive shaft. Refer to Front Wheel Drive Shaft Replacement .
  4. Remove the intermediate shaft. Refer to Intermediate Shaft Replacement .

  5. Object Number: 928957  Size: SH
  6. Remove the retainer ring from the stub shaft for tool installation. Discard the used retainer ring.
  7. Remove the stub shaft using the J 6125-1B and J 38868 .
  8. Remove the transfer case mounting bracket. Refer to Transfer Case Bracket Replacement .

  9. Object Number: 850522  Size: SH
  10. Remove all bolts (2) from the side cover (1).
  11. Use the pry point relief slots to remove the cover.

  12. Object Number: 850523  Size: SH
  13. Remove the carrier assembly (1) from the housing.

  14. Object Number: 857935  Size: SH

    Important: Perform this step only if the bearing needs to be replaced. Do not use the old bearing again.

  15. Using the J 29369-2 and a slide hammer, remove the stub shaft inner bearing from the carrier bore. OTC 8007 adapters may be needed to assist in the removal.

Installation Procedure


    Object Number: 857936  Size: SH
  1. Using J 4972-4 and a driver, install the axle shaft bearing to the carrier until the bearing seats.

  2. Object Number: 850510  Size: SH

    Important: Do not use motor-powered tools to clean surfaces.

  3. Clean the carrier assembly housing sealing surface (1) with a solvent and scrape it clean with a razor knife.

  4. Object Number: 850512  Size: SH
  5. Clean the cover sealing surface (1) with solvent and scrape it with a razor blade.

  6. Object Number: 850523  Size: SH

    Important: Grease the seal lips in order to protect the seal and to ease in assembly.

  7. Install the carrier assembly (1) to the housing.

  8. Object Number: 934846  Size: SH

    Important: Do not apply excess sealer. Excess sealer could cause premature failure.

  9. Apply a 2-3 mm (0.8-0.12 in) amount of sealant GM P/N 1052943 (Canadian P/N 10953491), or equivalent, to the housing (1).
  10. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 934818  Size: SH

    Important: Grease the seal lips in order to protect the seal and to ease in assembly. Coat the bolt threads with thread sealant GM P/N 12345382 (Canadian P/N 10953489).

  11. Install the side cover bolts (1) and the bolts (2 and 3) to the housing.
  12. There is not a specific tightening sequence, but the bolts with the dowel pins should be tightened first, and alternate the others from side to side.

    Tighten
    Tighten the side cover bolts to 37 N·m (27 lb ft).

  13. Install the transfer case mounting bracket. Refer to Transfer Case Bracket Replacement .
  14. Using the J 44809 , install the NEW output shaft seal.

  15. Object Number: 928957  Size: SH
  16. Install the stub shaft using the J 6125-1B and J 38868 .
  17. Install a NEW retainer ring on the stub shaft.
  18. Install the intermediate shaft. Refer to Intermediate Shaft Replacement .
  19. Install the right wheel drive shaft. Refer to Front Wheel Drive Shaft Replacement .
  20. Fill the transfer case fluid. Refer to Transfer Case Fluid Replacement .
  21. Lower the vehicle.