Quote:
Originally Posted by Fully Vetted
Doesn't the check valve in the filter prevent that from happening? Since I've had my car the oil change has always coincided with some kind of work being done so Corey has changed my oil both times.
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The rubber drain-back valve is only one side of the filter media. The big threaded hole in the center is wide open and whatever is seeping out of filter paper seems to back up on the filter pad if you try to pull it off right after you park it.