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Old 01-04-2021, 05:24 PM   #1
Asshat
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Join Date: Jul 2015
Location: South Orange County CA
Posts: 1,259
Rear seal or pan gasket leak

I got the truck up on jack stands so I can find this leak. Started the truck and let it run for about ten minutes and no leak. As soon as I put the truck in gear, it started to leak. I’m guessing it’s the rear main seal, just wanted some other opinions.

And, why would it leak only when in gear?

https://youtu.be/LN0Hd24RXR4
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1963 C20, small window, long bed
292, 4-speed

Last edited by Asshat; 01-04-2021 at 05:52 PM.
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