Quote:
Originally Posted by Chuck33079
My first thought was the core was installed upside down, and it was draining back into the pan when it sits. If that's not the case, I've got nothing.
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It can't drain back with oil filter installed. Many many people install with fittings on the bottom with no problems. Its better because once the filter is removed the oil will drain out of the core and you can do a real oil change and not just 83% of one.