I am having annoying issues with these things. I did a timing job and was leaking really badly, even worse than the old ones. Turns out the seals were wrong. Anyways, I ended up using National 3771 after using the Mitsubishi ASA and finding equivalent part numbers. The leak may be gone from the driver's side but is definitely still there on the passenger side.

What am I doing wrong here? Am I pushing the seals too far in? I see in the manual you use a tool, MD998713 to install but I just used a PVC pipe. Maybe I need a Redi-sleeve? Did I end up using the wrong seal again? I don't think it's leaking along the bore so maybe the shaft is a bit worn.

Anyways, I'm getting discouraged. I've had this thing torn down twice now and it's still getting oil everywhere. Any help or suggestions would be appreciated.