Quote:
Originally Posted by jdmccright
The fill plug is a female, 3/8" square plug. A 3/8" ratchet wrench end fits into it. It is on the side of the diff housing, not the removable back. If it got rounded off, it must be seriously seized which is odd because of the diff lube that is usually in the threads.
You'll need a big easy out, some PB Blaster and/or some freeze rust breaker spray. Alternatively, you could try to cut a slot in the head, but you'll need a LARGE screwdriver or pry bar.
Good luck & let us know how it turns out!
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could be someone used thread locker permenent ! if so the torch should do it.