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2009 Forester XT
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Discussion Starter #1
I just got done re-sealing everything under the timing cover, as well as a full timing belt job on our '09 XT. As soon as I got that middle timing cover off, it was very obvious the awful leak was coming from the crank seal, which was just replaced 7k miles ago by the previous owner.
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It had protruded out so far that I was able to just pull it the rest of the way out with my fingers. Luckily, I had prepared to re-seal the oil pump while everything was apart, so I pulled it off & found two more things that seemed off. First, the shape of the o-ring-
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It was just sitting in the block shaped like this, did not get damaged during removal. Second, these two philips screws on the back of the oil pump-
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I know that it's fairly common to see these two screws back out slightly on EJ25 motors. Luckily I read about this before diving in, so I cleaned up the threads, applied some blue thread locker (didn't have red on hand) and got them as tight as I could. Tried loosening the other three but they wouldn't budge, so I left them alone & put everything back together with some Hondabond HT & a new o-ring.

My questions are-

Does anyone know why these two specific screws are always the ones that seem to come loose on Subie oil pumps?
I read that these screws being loose can causes pressurized oil to get behind the crank seal & push it out. Is that true? Does their being loose cause low oil pressure throughout the rest of the engine?
Regarding the o-ring, any ideas why it would have distorted like that? Could that have been causing issues as well?

I'm letting the Hondabond cure overnight, we'll see how she runs & holds together tomorrow! A little before & after of the timing assembly for fun-
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