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 Rear 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).
4. Remove the rear oil seal from the extension housing.

1. Using the J 36503 install the new rear oil seal.
2. Install the rear propeller shaft. Refer to Rear 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. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
2. Remove the transfer case adapter. Refer to Transfer Case Adapter Replacement in Driveline/Axle.



3. UsingJ 36825 andJ 23907 , pry the seal out of the extension housing.

1. PositionJ 36502-2A over the output shaft.



2. UsingJ 36502 install the rear output shaft seal.



3. RemoveJ 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 adapter. Refer to Transfer Case Adapter Replacement in Driveline/Axle.
6. Check the transmission oil level. Refer to Fluid Replacement .
7. Lower the vehicle.