Diesel Data: Automotive Repair

Front Output Shaft Seal Replacement




Front Output Shaft Seal Replacement

Tools Required
* J 8092 Driver Handle
* J 43484 Output Shaft Seal Installer

Removal Procedure




1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle Service and Repair.
2. Remove the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement Transfer Case Shield Replacement.
3. Remove the front propeller shaft. Refer to Front Propeller Shaft Replacement Front Propeller Shaft Replacement.
Important: The front output shaft seal is a two piece internal seal. The inner seal race is a force fit on the front output shaft.


4. Remove the front output shaft seal by inserting a flat-tipped screwdriver behind the inner race of the seal.
5. Pry the inner seal race forward.




6. Using a small pry bar, move the inner seal race forward on the front output shaft.
7. Remove the inner seal race from the front output shaft.




8. Insert a flat-tipped screwdriver or small pry bar into the space between the lip of the outer race of the seal and the transfer case.
9. Remove the remaining part of the output shaft seal from the transfer case.

Installation Procedure




1. Install the J 43484 (2) to the J 8092 (1).
2. Install a NEW seal onto J 43484 .
3. Using J 43484 (2), and J 8092 (1), install the seal.
4. Install the front propeller shaft. Refer to Front Propeller Shaft Replacement Front Propeller Shaft Replacement.
5. Check the fluid level. Add fluid, if necessary.
6. Install the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement Transfer Case Shield Replacement.
7. Lower the vehicle.