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So I installed a rebuilt w56c into my 89 pickup. It started leaking right away from a bolt hole on the passenger rear side of trans. My 87 w56 has a allen head plug in the same place so I swapped them to stop the leak. what is the hole for? Inquiring minds want to know!
Last edited by Deucestroke; Jan 7, 2024 at 06:05 PM.
Reason: Better description
No idea. Maybe something as a result of casting. The obvious possibility is for a sender unit of some sort, but the EPC shows nothing. And that lip is awful close, would have to be a very narrow sender