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Finally fixed a persistent oil leak on my '02 F-150... after 3 failed attempts
I've been chasing a rear main seal leak on my personal truck for like 4 months now. First I tried some of that stop-leak garbage, which just made a mess. Then I pulled the trans and did the seal myself, but I think I nicked it on install cause it still dripped. Third time I took it to a buddy's shop and had him do it, but the leak came back two weeks later. Turns out it wasn't even the seal, it was the oil pan gasket leaking up and running down the back of the block. I finally dropped the pan last Saturday and found the gasket was pinched in two spots. Cleaned it all up with a new Fel-Pro gasket and some anaerobic sealer at the corners. Three days now and not a single drop on the cardboard. Has anyone else been burned by a misdiagnosed rear main?
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