I'd use plain old 10-minute epoxy, the stuff that comes in the 2-syringe container. If the place you're trying to patch is on a vertical surface, you might have to build a small dam with masking tape to keep it from running down the side of the transmission while it cures.
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!