Quote:
Originally Posted by Tangent
From what I've read it's supposed to be pretty light, like under 1 psi. I'm trying to find the same info because I replaced the valve cover with a new OEM one from FCP Euro and I'm still getting the squeal that goes away when I open the oil filler. At this point my best guess is I was unlucky enough to get one that was bad right out of the box. I cut open my original valve cover and did find a tiny little tear in the rubber membrane so it was for sure defective, I just don't want to do that with the one from FCP to confirm that one being bad in case that causes issues with the warranty...
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I can confirm the fix I have mentioned above works. I do have a oil catch can so I am not sure if that assists in the vent/vacuum but I have driven over 100 miles today in different temperatures and elevation levels with cold/warm/hot starts and I'm having ZERO issues.