Did any of you guys happen to see at the GM dealerships how they have this stuff to check for antifreeze leaks? I think they make this same stuff for engine oil, gear lube, and for transmission fluid. It's just a pill bottle size liquid that will glow in the light of a blacklight. Follow the trail to wherever it starts. If they make it for transmission fluid anyhow. Just a thought anyway.
In a while, Chet.