Transmission Housing Oil Seal Replacement - Rear 2WD

Tools Required

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. Remove the rear oil seal from the rear case using the J 6125-1B (1) and the J 23129 (2).

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

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



2. Using the J 36825 and the J 23907 remove the seal from the extension housing.

1. Position J 36502-2A over the output shaft.



2. UsingJ 36502 install the rear output shaft seal.



3. Remove J 36502-2A from the output shaft.



4. Fill the space between the seal lips with grease GM P/N 1052497 or equivalent.
5. Install the transfer case. Refer to Transfer Case Assembly Replacement .
6. Check the transmission oil level. Refer to Fluid Replacement
7. Lower the vehicle.