Tools Required

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Place a drain pan under the vehicle.
3. Remove the rear propeller shaft. Refer to One-Piece Propeller Shaft Replacement or Two-Piece Propeller Shaft Replacement.
4. Remove the case extension housing rear oil seal. Use a flat bladed tool and carefully pry the seal from the housing.
5. Inspect the case extension housing for damage. Replace the extension housing if necessary. Refer to Case Extension Assembly Replacement.

1. Lubricate the inside diameter of the new seal with J 36850 .




Note: If installing a slip yoke (booted) type seal (34), position the drain hole (1) toward the bottom of the transmission within the area shown

2. Use the J 21426 for a standard seal or J 39440 for a booted type seal with a soft faced mallet to install the seal.
3. Install the seal to the extension housing.
4. Install the rear propeller shaft. Refer to One-Piece Propeller Shaft Replacement or Two-Piece Propeller Shaft Replacement.
5. Remove the drain pan and lower the vehicle.
6. Fill the transmission to the proper level with DEXRON® VI transmission fluid. Refer to Transmission Fluid Check.