Originally Posted by cobalt327
Sometimes air gets trapped under the seal and (kind of like when you use silicone grease on spark plug boots) the seal wants to pop back up unless the pressure is relieved. Might take a little pinch/squeeze
at the top of the seal to distort the ID of the seal just enough to let air out past the valve stem. Or maybe use a toothpick to slip in between the stem and seal.
Finally gonna do the valve stem seals. Would it be ok if I applied a little motor oil to each seal before slipping it on? A little oil underneath won't hurt anything I assume.