Originally Posted by DrD123
I asked if they know what the issue was - they hadn't been told directly from Subaru, but their techs had been reporting that the threads were not straight, so the filter would go on at an angle (and then it would compress one side of the gasket more than the other, then leak on the loose side, apparently).
Hopefully that's it.
I'm on the second one of the 12 (effected filters) I bought and just did an oil change a week or two ago. Both were leak free. In fact, I cut open the one I just took off and it was perfect. Pleats nice and even, etc. That one was in service for about 6000mi.