GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 44636-1 Front Output Shaft Seal Installer
    • J 44636-2 Front Output Shaft Seal Protector

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 from the vehicle. Refer to Transfer Case Shield Replacement .
  3. Remove the front propeller shaft from the transfer case. Refer to Front Propeller Shaft Replacement in Propeller Shaft.
  4. Remove the transfer case front output shaft dust seal.

  5. Object Number: 660275  Size: SH
  6. Remove the transfer case front output shaft seal.

Installation Procedure


    Object Number: 660276  Size: SH
  1. Install the J 44636-2 on the transfer case front output shaft.

  2. Object Number: 660278  Size: SH
  3. Install the transfer case front output shaft seal on the J 44636-2 .

  4. Object Number: 660279  Size: SH
  5. Using the J 44636-1 , install the transfer case front output shaft seal.
  6. Remove the J 44636-1 from the transfer case front output shaft.

  7. Object Number: 660276  Size: SH
  8. Remove the J 44636-2 from the transfer case front output shaft.

  9. Object Number: 660273  Size: SH
  10. Install the transfer case front output shaft dust seal.
  11. Install the front propeller shaft to the transfer case. Refer to Front Propeller Shaft Replacement in Propeller Shaft.
  12. Check the transfer case fluid level. Refer to Transfer Case Fluid Replacement .
  13. Install the transfer case shield to the vehicle. Refer to Transfer Case Shield Replacement .
  14. Lower the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.