Quote:
Originally Posted by BodhiBenz1987
am I out of line to think that the flush may have had a lot to do with the sudden failure of the seal(s)? I know once a transmission reaches higher mileage, if it's never had the fluid changed, you don't change it ... although hers only had 70k and I'm assuming is using synthetic ATF. But I've also heard flushing a transmission isn't a good idea at all. I'd think the internal pressure, plus solvents in the new fluid, might knock loose some of what was holding the seals together and also put extra strain on the seals.
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I think you are. That has been an old wives tail that has been going on and on with not a shred of scientific proof behind it. We were just talking to a Ford factory tech who worked in the R&D dept for transmissions and he doesn't even see how it could hurt. Usually, when the person has left it that long and the fluid is bad, they blame the flush.