re: Transmission change and oil change.

quote:

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My FIL is a mechanic and he says not only are transmission flushes "a racket", they can also be dangerous to you car if not done regularly and properly. He has always recommended a drain and fill, but not a flush.

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Your FIL is correct.

To the OP, change your own oil. You can buy a higher quality oil, monitor your engine's health, and spend less $$$.

Let an express drain and fill the transmission fluid. It is a messy hassle.