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Old 01-10-2010, 05:45 PM   #1
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Exclamation transmission leak

So I dropped my transmission pan, drained the fluid and changed the filter, threw a new gasket on and put the pan back on, this morning i noticed that I had a fairly good leak, more than just a few drops but not pouring out, coming from the back side of the pan. tightened the bolts of a little more this afternoon, and the leak seems to be slowing down but still there. Any suggestions? I dont want to have to dump it all and do another gasket but if that's the only fix suppose i will.

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Old 01-11-2010, 11:01 PM   #2
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bump

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Old 01-11-2010, 11:11 PM   #3
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Sorry

Sorry, but the only thing i can think of is to replace that gasket. I know it sucks but i can't think of anything else. make sure u clean off both of the surfaces that the gasket lays against.
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Old 01-11-2010, 11:17 PM   #4
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What "gasket" did you use? RTV? Also, did you torque it to spec using a cross pattern (upper left to lower right to...)

Those pans want to be evenly tightened and torqued to not leak and sometimes the gasket material doesn't help your cause either. Most newer transmission pans use RTV to seal them up as it is a bit more forgiving.
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Old 01-11-2010, 11:30 PM   #5
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Originally Posted by stevens243 View Post
What "gasket" did you use? RTV? Also, did you torque it to spec using a cross pattern (upper left to lower right to...)

Those pans want to be evenly tightened and torqued to not leak and sometimes the gasket material doesn't help your cause either. Most newer transmission pans use RTV to seal them up as it is a bit more forgiving.
i just used the rubber gasket that came with the filter, and yes i did torque in a cross pattern.
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Old 01-11-2010, 11:39 PM   #6
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Well, if it continues to leak, you'll have to pull the pan, replace the gasket and do it again. It's possible that there was some old gasket or some other FOD on the pan or tranny and it's the cause or the gasket got ripped during install. Or maybe just a loser gasket.
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Old 02-25-2010, 02:38 PM   #7
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same problem!

i have your same problem, can i just use rtv silicone around the tranmission pan to seal it and stop the leak ?
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Old 02-25-2010, 04:43 PM   #8
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NO RTV!!!!!!!!!!!!!!!!
Even just a tiny shard of RTV can, and will get stuck in one of the many passages inside the trans. You'll have much more problems than a leak.

Put the gasket on without any kind of sealant - lightly rub the metal surfaces with ATF to help the gasket seat itself. If it won't stay in place when you put it on, use light sowing thread to hold it until you get the bolts in (wrap around the hole in the pan and gasket,) then remove the thread before tightening.

I hate that job - I always manage to cover myself in ATF!

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