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2018 Sierra, How Many PCVs?
beerpilot posted a topic in 2014-2019 Engine, Driveline, & ExhaustJust got a new 2018 Sierra with more bells and whistles than I've ever seen in a truck before. Sure learning a lot on these forums. The catch can thing has my interest, I never even knew that was a problem, never had a direct injection vehicle before. I'm looking under the hood on this thing and although it is difficult to see much it looks like there are two PCV valves, assuming that's what I think I'm seeing. They are right up front of the engine, one each side, with short tubes going into the intake air plenum. See attached photo of the front left side of the engine. So question #1, are two PCVs what I am seeing? Question #2, if so then I need either two catch cans, or one that does double duty, right? I'm a little confident that the answers to my questions will be yes (still appreciate confirmation though) and if so this will be a plumbing nightmare. This truck has the eAssist which means the only open space for a can is the front left corner where the battery used to be, on eAssist it's up in the back right corner of the engine bay. And, there is no room at all left in that part of the engine bay, it is packed. So I guess question #3 is, anyone come up with a creative way of solving this problem, besides hoses all across the top of the engine? Thanks in advance for responses.