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post #1 of 3 (permalink) Old 06-17-10, 10:54 AM Thread Starter
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98 SHO Leaking Tranny with Air Conditioning on

I am having a problem with my SHO, when i run the air conditioning for a period of time it begins to leak transmission fluid out of the front main seal. It will leak 1 to 2 quarts in a short period of time, 75 miles or so. If I pull over and fill it back up, and turn the air off it will stop leaking. It also seems like the torque converter goes in and out of lock-up when I use the air. i am not sure if the two situations are correlated or if the front main seal is just failing. The car runs good, had the transmission filter and fluid completely changed 10,000 miles ago. I am out of ideas, any thoughts?

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post #2 of 3 (permalink) Old 06-17-10, 07:11 PM
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Re: 98 SHO Leaking Tranny with Air Conditioning on

I had a similar issue with my 01 Taurus except mine was coming from the overflow on the transmission. Coolant tank developed a very small leak which ran the radiator just low enough to keep the car from overheating, but so low it could not cool the transmission fluid through the cooler in the radiator.
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post #3 of 3 (permalink) Old 07-01-10, 04:32 PM
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Re: 98 SHO Leaking Tranny with Air Conditioning on

The only common thread between the transmission and the A/C is the radiator. The transmission fluid runs into a separate cooler inside the radiator. If your radiator fan isn't kicking on when you're running the A/C, or the radiator fins are clogged and the radiator isn't cooling well, then it will overheat and so will the transmission fluid. But you would also see your temp gauge rising.

I'm a retired ASE Master/L-1 Technician. I still keep current with the latest automotive technology. Visit my blog for cool articles and TSB's: http://www.ricksfreeautorepairadvice.com/
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