Quote:
Originally Posted by kevink1
There is also the argument I've seen that some people may have, at least subconsciously, noticed some issues. So then when they have a flush done and something goes wrong, would have had it go wrong anyway.
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All I know is that ZF themselves recommend fluid changes every 80,000 - 100,000 km for the 8-speed transmission. If you are maintaining their intervals, I don't see how fresh oil would ever hurt anything.