I*ve been told by my (usually trusted) mechanic at Toyota that my transmission fluid is dirty (black) and I need a trans. fluid flush. I have a *94 Camry with just under 200,000 miles, and I*ve been reading about this. Some sources say it*s a definite no-no to do a flush, especially on a high-mileage car because you*re forcing fluids out through the system backwards and can ruin seals, etc. Other sources say it*s a good thing. What*s the real deal??
Well, both scenarios are correct. It would depend on whether you have had the fluid flushed before. If this is the first time to ever flush the fluid at 200,000 miles I would say don't do it.
If on the other hand, the car has been maintained well and you would like to keep it that way, go ahead.
Ask your trusted mechanic if they watch the gauge closely on the flush machine. My techs do this (especially on high mileage vehicles) and if they see lots of debris going by the "eye" they stop and don't finish with the back flush.
Hope this helps and keep up the good maintenance!
Amy Plant-Lowe, Owner at Plant's Auto Service answered on May 16th, 2007
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