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95 S_Trucker · 07-17-2015, 10:39 AM

I was wrong about the locations. The PCV valve(if it has one) is at the left valve cover. The fresh air inlet is at the right valve cover.

I would run it before you replace parts. There are a lot of trucks I have worked on that have some residue after they sit for a while.

07-17-2015, 10:39 AM	#8
95 S_Trucker Registered User Join Date: Oct 2009 Location: . Posts: 2,187	Re: 03 silverado with 6.0 I was wrong about the locations. The PCV valve(if it has one) is at the left valve cover. The fresh air inlet is at the right valve cover. I would run it before you replace parts. There are a lot of trucks I have worked on that have some residue after they sit for a while.