Any stop leaks for DEXRON 6?

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My Saturn was a salvage that was hit in the front. Runs like a dream , but the trans leaks slightly. Maybe half a wuart every 3-4k. I'm not sure if it's a seal or a cracked case.

Is there any stop leak that works with dex6? Do you think I should bother if it;s a crack? Thanks!
 
I'd find out what the problem is first stop leaks in general arent a good product you never know what they will "stop up"

it should be easy to see where the fluid is coming from.
just remember it will blow back while driving so find the highest/front spot where there is transmission fluid.
 
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Most (if not all...) transmission sealers/ stop-leaks work using chemicals that make seals swell temporarily. Won't do a thing for a crack. The good news is they don't usually plug up anything like radiator stop-leak can, but the downside is that the effect is usually short-term and can leave the seal even more brittle and in worse shape than when you first put the sealer in.
 
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