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Discussion in 'The Garage' started by az84chevy, Jul 12, 2005.
Is the t-case adapter for a 700-r4 suppost to hold transmission fluid in it, or should it be dry?
It should be dry. You probably have a input seal for the T-case gone bad. I replaced mine when i did my tranny swap a couple years ago and IIRC it is 2 seals back to back facing opposite of each other to make up a double seal.
its not suppose to be completely dry, but not hold any. there is no seal at the back of the tranny, the governor is there and it may fling some fluid around. the only seal that keeps the tranny and tcase seperate is at the front of the tcase. GM used 1 double seal, timkin uses 2 single seals, 1 forward and 1 backward.
Ok so the problem could be that the front seal on the double seal is bad and that is causing the transmision fluid to leak into the adapter?
No, if the seal were bad it would leak out of the Tcase or leak from the Trans into the Tcase. THat is where the seal is. Its nromal to have SOME fluid in your adapter area.
I guess i left out the fact that it is leaking from where the adapter connects to the t-case which is why what i said sounded wrong. I have been trying to figure out exactly where this leak is coming from. Either, there's supposed to be a gasket from the adapter to t-case (not sure if there is supposed to be one), or the double seal is bad.
There is a gasket between the face of the tcase and the back of the adapter. I can not tell you if there is one on the front of the adapter but I imagine there is something there.
Every time I have pulled my 208 out I have gotten fluid from the inside of the adapter. It can leak from the tranny into the adapter. It should NOT be full of fluid but it usually has a little bit in it.
there should be a gasket there, but silicone can be also used. at the front of the adapter, there is a square cut o-ring to seal it to the tranny.
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