Quote:
Originally Posted by EarlyPorsche
50-70K? Book says way more frequently than that. With heavy use around 15K. I don't think I'll go that low but I am thinking it can't hurt to drop the 4qt's in the pan from time to time between filters. Spring washer...not a bad idea. Does yours leak?
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Seems rather much for ATF. How old is your truck? What make tranny is it? Over the road haul trucks can go half a million miles before change is needed - granted they are a bit different but not by that much.
My plug doesn't leak but them again it isn't as old as your either.