Transmission leaking

TAWNA L COOK

MEMBER
1994 FORD EXPLORER
6 CYL
RWD
AUTOMATIC
999,698 MILES

I just bought the vehicle listed above it is the EP model. I was on the freeway going sixty five mph all of a sudden there was white smoke coming from the back underneath the vehicle. I took the next exit and transmission fluid was just pouring out. It was on my gasket so my mechanic put new transmission gasket kit on the rubber seal ring was broken. After that there was no leaks at all until four days later the same thing happened, but it is not coming from the gasket area it is right above the gasket pan. I was wondering if there is anything I could use for a quick fix like stop leak? Just for the time being until I can afford to pay for the seal to be replaced.

Wednesday, May 10th, 2017 AT 7:19 PM

2 Replies

CARADIODOC

MECHANIC
34,366 POSTS

Nope. Nice thought, but those "mechanic-in-a-can" chemicals might work on occasion for slow seepage, but not for large leaks. Those small leaks are often reduced with chemicals that soften gaskets and seals, but those are some of the same additives found in motor oil and transmission fluid. Larger leaks are caused by a cracked or broken seal or gasket. If a chemical you could add could plug a leak that big, it would also plug the tiny passages that carry that fluid to the valves that do the work.

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Wednesday, May 10th, 2017 AT 10:12 PM

STEVE W.

MECHANIC
15,320 POSTS

Right above the pan gasket sounds like a cooler line or selector shaft seal. Those would be a mechanical failure. As DOC says, the only way to fix them is to replace the broken seal or cracked/rusted line.

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