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General TR Washer for Overdrive Plug

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RJS

RJS

Jedi Warrior
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Hi

Changing my trans fluid next weekend. Are there any better alternatives to the hard fiber washer that goes under the OD drain cap? What is it's function: is it a gasket or a washer? In the past I have put a coat of RTV Blue on there to help it seal.

I looked at McMaster Carr but, did not see any suitable substitutes. I have no problem with the hard fiber version, just doubtful it does a good job sealing the trans

Bob
 
If you are talking about the large brass drain plug for the screen, I bought an O-ring at Ace hardware to replace the fiber gasket. I then only had to tighten the plug snug. It lasted 7 years and 7 tranny fluid changes...I sold the car but it is likely still going today!
 
I did a light smear of RTV Blue to seal it nicely. I also noticed that the brass cap was uneven from PO using odd wrenches on it so did some filing to level out. The combination made for a good seal
 
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