Quote:
Originally Posted by SoCal 370Z
I'd go a maximum of 50,000 miles or three years and then change it. Fluids are cheap insurance when they are routinely changed.
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true. the only one you should be wary of is auto trans fluid. my family has been in the auto repair business for generations, and we have seen many a problem develop as a result of changing auto trans fluid. many people has the misconception that they need to change it at specific intervals, when actually you can go the life of the vehicle on the same fluid. auto trans flushes the similar effect as engine oil flushes, they remove sedentary particles and cause them to move into places they don't belong!
the only reason to change it is if it is dirty or to change the filter. but... if a trans filter gets dirty, the chances are very high that the car has a trans problem, or it would have gotten dirty in the first place.
renewing fluids is a good maintenance habit for sure though
