I've read a few threads or posts on here about people having trouble getting there fan clutch nut off i know it's left hand thread I've used pneumatic fan clutch set and manual set with big *** sissy bars and just keep tearing nut up more than it already was im already replacing the waterpump so im to the point of sawzalling the damn thing off and buying a new one any suggestions before I do this on why it won't come loose