That's what I thought, sense quite stuckShould be a able to get it off with a deep well socket.
I did, using an adjustable to hold it from underneath to keep the entire assembly from spinning. That nut up top isn't having itSo, you tried a deep well socket?
Kroil for the last 2 daysPenetrating oil???
Yeah, I was hoping I was missing some trickNot sure what else to recommend then. Dang.