Whenever I let my truck sit for a couple of days to ride the Harley and save some gas, I come back to a puddle of trans fluid under the truck. Now, I know that I need to replace the O-Ring where the dipstick goes into the case, and that is probably where it is coming from (or am I off-base in that assumption?). But my main question is why does it not leak when I drive everyday (not a drop), but after it sits for 24+hours, it pours out?
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