Quote:
Originally Posted by Maxbumpo
No, changing fluid and filter on an old transmission will not cause it to fail, that is rumor.
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Especially if just doing a drain and fill. I've heard that an actual flush can be detrimental ("stirs up sediment"), no idea if that has any truth to it.
With burnt, black fluid, I imagine it might take a few successive drain and fills to get enough of the bad stuff out?