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Old May 20, 2019 | 03:48 PM
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c6 convertor check valve question

the c6 in my 89 in sig leaks, only after setting for more than 2 days. I drive it every day or every other day and it does not leak a drop. Researching it i have come to the conclusion that the convertor is draining back filling up the transmission case. I have read about a convertor drain back check valve, Is this in the actual pump, or in the cooler line? Seems i have read several different theories, but nothing other than to check or replace this valve.
Transmission shifts great and fluid looks good.

Can someone point me in the right direction?
 
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Old May 31, 2019 | 07:06 AM
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Anybody?
 
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Old Jun 3, 2019 | 11:14 AM
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Try a new seal on the dipstick tube.
 
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Old Jun 3, 2019 | 04:03 PM
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good idea, thanks

is the "convertor drain back" normal?
 
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Old Jun 3, 2019 | 04:06 PM
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The check ball is in the valve body. Not normally known to go out.
 
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Old Jun 3, 2019 | 04:12 PM
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probably just sticking or not completely sealing?

good excuse to slap a shift kit in?
 
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