patrickcortes10 Posted August 18, 2023 Share Posted August 18, 2023 Good morning, my subaru legacy 2008 3.0R has a noise of air leaking on the side of the driver's side, next to the spark plugs. I changed the spark plugs and did a compression test, and everything was normal, does anyone know what it could be? Link to comment Share on other sites More sharing options...
KZJonny Posted August 18, 2023 Share Posted August 18, 2023 Is the PCV hose located on the top of valve cover on the EZ30? They tend to get brittle with time and crack. Could be that? A mechanics stethoscope with a funnel on the end may help narrow down where to look. Or a rolled up piece of paper held to your ear if you want to be really old-school. Link to comment Share on other sites More sharing options...
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