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post #1 of (permalink) Old 09-20-2001, 08:38 PM Thread Starter
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Tranny pan won\'t stop leaking.....

I am jumoing over here from the mid-sized board to ask a question for a friend. He has a late '90s Wrangler. He changed the tranny filter and after he re-installed the pan, it leaked. He changes the gasket again, and it still leaked. He pulled the pan back off and checked all surfaces for flatness and everything is perfect. This wrangler doesn't spend anytime off road, so there are no dents or dings in the pan. Are there any special tricks or procedures to get the pan on square and without leaks? Has anyone else experienced this? Is it a common problem? Any info you have is appreciated. Thanks in advance, Taz(Mike).

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post #2 of (permalink) Old 09-20-2001, 10:02 PM
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Re: Tranny pan won\'t stop leaking.....

my jeep isn't an automatic but camaro and van are. i use cork gaskets and DON'T OVERTIGHTEN! i don't follow the recommended torque values and just tighten by feel. if too loose and it leaks then i tighten a little more till it stops. when it leaked and he took off pan did he look at the gasket to see if he overtightened and destroyed the gasket? what is the gasket material? if something other than cork then he could try a light film of a gasket sealer like permatex.

post #3 of (permalink) Old 09-20-2001, 10:11 PM
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Re: Tranny pan won\'t stop leaking.....

I have no idea if this is true for that trany but some autos have one of the pan bolts set up as a drain plug. might check to see if that is the leak.

bandhmo

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post #4 of (permalink) Old 09-21-2001, 03:27 AM
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Re: Tranny pan won\'t stop leaking.....

Well, if its not bent and dented, do put a CORK gasket on it. If there is a cork gasket on it, the cover may be distorted. Transmission pans (autos) normqally have rediculously LOW torque requirements....like in the single digit (1-9) ft. pounds. Check the service manual. If the pans straing and you've got a good new cork gasket, and torqued the bolts properly, you should be leak free...you may also want to give one of the offending bolts another 1/16th of a turn to additional snugness if the pan is tweaked a little....

mike

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post #5 of (permalink) Old 09-21-2001, 09:02 AM
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Re: Tranny pan won\'t stop leaking.....

Also, if using a cork gasket, coat it with tranny fluid a few times before installing it. This will allow the gasket to soak up fluid and form a better seal when installed.

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