The potting compound breaking down is a common problem that most people have. If it was just a matter of cleaning the old gunk off, it'd be no big deal. However once the potting compound runs off you've got exposed terminals right near the firewall that can get corroded or shorted. There have been a few cases where the solenoid pintle actually broke through the back of the solenoid, which is plastic. The cap both seals the pins and reinforces the back of the solenoid.
"Capitalization is the difference between helping your Uncle Jack off a horse, and helping your uncle jack off a horse." "'she' also likes to swap since I think I am going to need to give her to woody again." - Dvlhntr "full alphabetic boost mode" - ChristopherTheOne " Purrs like a sexually satisfied black panther." - BigTDogg "Two oil eating, angry, spinning triangles of death." - turtleboy on rotary engines
