Hello, I have a 1965 C4 tranny that has been leaking, I replaced the gasket and pan, and then found that the fluid is coming out of the Vent/Overflow tube, the car has been sitting for a while, I was questioning if had incorrect dip stick and I over filled it, but it would stop at some point?? I also saw an article that I may have bad synchro gaskets or seals that causes a leak, it does not leak every day just sitting it can go 3-5 days then leaks a lot, then after clean up no leaks for a...

1965 C4 Tranny Leaking out of Vent/Overflow Tube?