I noticed a small oil leak under my car this last weekend when it was -35 degrees. It only leaks when the car is warmed up and when the auto shop class (and teacher) looked at it, the only place they found where there was any oil had leaked was where the filter is attached. They said it might have been that the filter wasn't sealed right when it was put on and that the gasket might be bad. What do you think it might be?
My car has 137000 miles.
My car has an automatic transmission.
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