GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 33843 Front Output Shaft Seal Installer

Removal Procedure


    Object Number: 660273  Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the transfer case shield. Refer to Transfer Case Shield Replacement .
  3. Remove the front propeller shaft. Refer to Front Propeller Shaft Replacement in Propeller Shaft.
  4. Remove the dust seal from the front output shaft.
  5. Remove the output shaft retaining ring.

  6. Object Number: 660275  Size: SH

    Notice: Do not damage the sealing surfaces of the transfer cases or the shafts when prying the seals for removal. Damaging the sealing surface may cause leakage or require replacement of the damaged component.

  7. Remove the front output shaft seal.

Installation Procedure

  1. Install the front output shaft seal.

  2. Object Number: 660279  Size: SH
  3. Using the J 33843 , install the front output shaft seal.

  4. Object Number: 660273  Size: SH
  5. Install the output shaft retaining ring.
  6. Install the dust seal on the front output shaft.
  7. Install the front propeller shaft. Refer to Front Propeller Shaft Replacement in Propeller Shaft.
  8. Check the transfer case fluid level. Refer to Transfer Case Fluid Replacement .
  9. Install the transfer case shield. Refer to Transfer Case Shield Replacement .
  10. Lower the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.