GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • J 8092 Universal Handle
    • J 43484 Front Output Shaft Seal Installer

Removal Procedure

    Caution: Refer to Transfer Case Seal Removal Caution in the Preface section.

    Note: The front output shaft seal is a two piece internal seal. The inner seal is force fit on the front output shaft.


    Object Number: 819585  Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the front propeller shaft from the vehicle. Refer to Front Propeller Shaft Replacement.
  3. Insert a flat-tipped screw driver in the inner race.
  4. Pry the inner race forward.

  5. Object Number: 819650  Size: SH
  6. Insert a small pry bar in the inner race.
  7. Pry the inner part of the seal from the outer seal body.
  8. Remove the inner part of the seal.

  9. Object Number: 819658  Size: SH
  10. Insert a flat-tipped screw driver or small pry bar in the space between the outer race of the seal and the transfer case.
  11. Pry the outer race out of the transfer case.
  12. Remove the outer part of the seal.

Installation Procedure


    Object Number: 819655  Size: SH
  1. Using the J 43484 (2) and the J 8092 (1), install the transfer case output seal.
  2. Install the front propeller shaft. Refer to Front Propeller Shaft Replacement.
  3. Check the transfer case fluid level. Refer to Transfer Case Fluid Replacement.
  4. Lower the vehicle. Refer to Lifting and Jacking the Vehicle.