Thread: leaking th400
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Old 08-12-2020, 04:22 PM   #6
Bob Mulry
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Default Re: leaking th400

Quote:
Originally Posted by ss3011 View Post
You really don't want to use any RTV sealants that will come in contact with ATF . Most ATF has an anti-foaming additive and RTV will destroy that additive . Most manufacturers that seal structures ( like case halves) will use a Poly-Acrylic sealer. PA has no effect on ATF.
Just a heads up.....

GM used that Orange RTV on TH700-4R transmissions and HT4100 engines for years....The surface has to dry and the RTV given time to completely set up.....

It's your choice...

Just sayin'
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