Quote:
Originally Posted by SouthArk370Z
I like to change ATF every 40000-50000 miles. Or sooner, if it gets very dark or smelly. 100000 miles is way too long.
While there is a bit of truth to the don't-change-if-miles-are-high theory (mainly with older ATs), it's not gospel. Depends on the lube and what's being lubed. With modern ATs/ATFs, it shouldn't be a problem.
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You know, not all modern automatic transmissions are maintenance-free.
I actually somewhat agree to that no-change-at-high-miles theory because in my experience my Z got pretty faster acceleration (like having higher torque) just after its ATF change at around 100K miles, but soon some weeks later after all it got broken.
I guess that previous transmission must have malfunctioned after its fluid change anyway ..
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