1. Remove the right front drive shaft.
2. Inserting a flat screwdriver into the groove of the transfer case, remove the right seal No. 1.
3. Using a mandrel and a hammer, press in a new oil seal.
4. Apply fresh transfer case oil to the lips of the oil seal.
5. Install the right front drive shaft.
6. Install the transfer case on the car.
7. Fill oil into the transfer case.