Upper Unit lower Oil Seal

[spareparts]

check the gimbal bearing, bellows, shift cable. Take a good look at teh shift shaft bushing in the lower, look at the shaft itself, yours is probably not stainless and will probably have a grove in it. Also look at eh shift shaft in the bell housing, you can update teh bushing/seal arangement with a leter style bushing that has an intergeral seal, most people over look the shift shaft seal in the bell