GM Service Manual Online
For 1990-2009 cars only

Transmission Housing Oil Seal Replacement - Rear 2WD

Tools Required

    • J 23129 Universal Seal Remover
    • J 6125-1B Slide hammer
    • J 36503 Seal Installer

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the rear propeller shaft. Refer to One-Piece Propeller Shaft Replacement or Two-Piece Propeller Shaft Replacement in Propeller Shaft.

  3. Object Number: 696799  Size: SH
  4. Remove the rear oil seal from the rear case using the J 6125-1B (1) and the J 23129 (2).

Installation Procedure


    Object Number: 548114  Size: SH
  1. Using the J 36503 install the new rear oil seal.
  2. Install the rear propeller shaft. Refer to One-Piece Propeller Shaft Replacement or Two-Piece Propeller Shaft Replacement in Propeller Shaft.
  3. Check the transmission oil level. Refer to Fluid Replacement .
  4. Lower the vehicle.

Transmission Housing Oil Seal Replacement - Rear 4WD

Tools Required

    • J 36825 Universal Seal Remover
    • J 23907 Slide Hammer
    • J 36502-2A Shaft Seal Protector/Installer
    • J 36502 Extension Housing Seal Installer

Removal Procedure

  1. Remove the transfer case. Refer to Transfer Case Assembly Replacement .

  2. Object Number: 4781  Size: SH
  3. Using the J 36825 and the J 23907 remove the seal from the extension housing.

Installation Procedure


    Object Number: 4757  Size: SH
  1. Position J 36502-2A over the output shaft.

  2. Object Number: 4758  Size: SH
  3. UsingJ 36502 install the rear output shaft seal.

  4. Object Number: 4757  Size: SH
  5. Remove J 36502-2A from the output shaft.

  6. Object Number: 7909  Size: SH
  7. Fill the space between the seal lips with grease GM P/N 1052497 or equivalent.
  8. Install the transfer case. Refer to Transfer Case Assembly Replacement .
  9. Check the transmission oil level. Refer to Fluid Replacement
  10. Lower the vehicle.