in my 70 super bee, its a rebuild unit from the Napa store about 3 years ago, keeps leaking out the top?? by the part that looks like a big castle nut, not by the lines, I really don;t want to take it out, that was the hole reason I replaced it on the resto cuz I didn;t want to chance it now its leaking all over?? is there anthing I can do in the car???