Manitenance for PCV system
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Mountain Pass
Joined: Jan 2013
Posts: 229
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From: Phoenix, AZ 85008
Manitenance for PCV system
I have a '06 Navigator 4X2, 150K miles with the 5.4 l 3v engine. The PCV arrangement is an insulated hose from the left valve cover to an electric heater of sorts that is connected to the intake. I am not having any issues. Just wondering ... Is there any maintenance that needs to be done with the system? (I am used to replacing the valve) Remove the hose and clean out, replaced hose or ???
Same kind of question for the VCT solenoids. There are screens in those and if partially plugged could impact engine operation. Pull and inspect? Clean, replace or leave alone until and issue shows up.
>>>>>>>>>>>>Action
Same kind of question for the VCT solenoids. There are screens in those and if partially plugged could impact engine operation. Pull and inspect? Clean, replace or leave alone until and issue shows up.
>>>>>>>>>>>>Action
Posting Guru
Joined: Dec 2014
Posts: 1,792
Likes: 3
The 3v engine has a "maintenance free" PCV system. The PCV "valve" is integrated into the driver side valve cover, and in order to replace that valve you need to replace the entire valve cover. It shouldn't be necessary though, as it's not a traditional valve in there and it should be good for the lifetime of the engine.
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