The valve covers will still fail periodically, but they should last longer with the PCV fix kit on. You'll need to put on a new valve cover and go from there. What valve cover was on there that failed? How many miles on that one?I did the fix kit a bit under a year ago on my new to me car (126k now). It started the main seal squeal recently with dipstick in place (and car at operating temp). The diaphragm has broken. I checked the check valve and it’s working. The plug is still in place from what I can tell (it’s pretty oily down there). Anything I should check or address before I pop a new valve cover on there (I’ll be sure to check chain guide bolts while it’s open)? I’ll check the check valve to turbo in morning when it’s not hot.
(You might want to add seal squeal coming from serpentine belt area which stops when removing dipstick to PCV diagnosis post)
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