1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
2. Remove the transfer case shield. Refer to Shield Replacement .
3. Remove the front propeller shaft if replacing the front seal. Refer to Front Propeller Shaft Replacement in Propeller Shaft.
4. Remove the rear propeller shaft if replacing the rear seal. Refer to One-Piece Propeller Shaft Replacement or Two-Piece Propeller Shaft Replacement or Three-Piece Propeller Shaft Replacement in Propeller Shaft.



5. Remove the seal.

•	Use a screwdriver in order to remove the seal. Do not damage the sealing bore.

•	The yoke nut and the flat washers are not used at the rear on some models.

Tools Required

J 37668-A Output Shaft Seal Installer

1. Install the seal using the following procedure:

1.1.	Lubricate the seal lips with petroleum jelly or with transmission oil.

1.2.	Install the seal using the J 37668-A .

2. Install the front propeller shaft if required. Refer to Front Propeller Shaft Replacement in Propeller Shaft.
3. Install the rear propeller shaft if required. Refer to One-Piece Propeller Shaft Replacement or Two-Piece Propeller Shaft Replacement or Three-Piece Propeller Shaft Replacement in Propeller Shaft.
4. Install the transfer case shield. Refer to Shield Replacement .
5. Check the transfer case oil level and add oil as necessary. Refer toCapacities - Approximate Fluid .
6. Lower the vehicle.