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Oil leak after transmission replacement

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Old 07-10-2019
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Oil leak after transmission replacement

Hello everyone, my car has developed a pretty bad oil leak about a month after I replaced my transmission. The oil is definitely coming from between the engine and the transmission, so something happened to my rear main seal. My question is if it is likely a coincidence that the seal started leaking after I replaced my transmission or if something is wrong with my new/used JDM SLXA transmission that is causing the seal to leak. I have read that a bent or warped transmission shaft or torque converter can stress the end of the crankshaft and cause the seal to fail, so the last thing I want to do is spend a day changing the seal only to have the same thing happen again after another month. So should I just change the seal and hope for the best, or is there something I need to do to verify that the transmission didn't cause the failure? Thanks a lot in advance!
Old 07-10-2019
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Re: Oil leak after transmission replacement

which is leaking?
both have fluids inside
open them up. My crystal ball is on vacation.
Old 07-10-2019
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Re: Oil leak after transmission replacement

Originally Posted by sdaidoji
which is leaking?
both have fluids inside
open them up. My crystal ball is on vacation.
Sorry, I should have specified. It's leaking engine oil.
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