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Where is the pcv valve located?

Old 11-23-2013, 01:25 PM
  #76  
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Make sure the rear orifice and tube to the intake manifold are clear and free. List of harnesses is below. Grommet is a Dorman 42088.

Renix Vacuum Harnesses

The vacuum harness that attaches to the front of the valve cover and includes the grommet/fitting, and is called the front harness, is Napa part number BK 715-1367



The vacuum harness that is closest to the air cleaner, EGR etc, and is called the rear harness, is Napa part number BK-715-1366.



The tube from the rear of the valve cover to the intake manifold is part number 715-1365.



Revised 09-11-2012


Click on the link in my signature and read post 25.
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Old 11-24-2013, 09:22 PM
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Originally Posted by 89CherokeeLee View Post

I must have skimmed over that. I was just confused as to how it does its job, but I think I get it now. Which elbow would have the vent? I am missing it aparently
Rear elbow contains the a certain size hole. The front elbow is open. Its designed to vent all the time. PCV valves only operate with positive pressure

Last edited by dukie564; 11-24-2013 at 09:24 PM.
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Old 11-24-2013, 09:58 PM
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Originally Posted by dukie564 View Post
Rear elbow contains the a certain size hole. The front elbow is open. Its designed to vent all the time. PCV valves only operate with positive pressure
So... sorry for the constant questions, I just want to understand allll the way. The big tube is where pressure goes into the crank and the small one is the suction going into the intake manifold?

Working at NAPA is great, but sometimes I can't quite get a straight answer from my co-workers... At least, not ones I understand haha
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Old 11-25-2013, 03:07 PM
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big tube is the air inlet yes (under vacuum), and also releases excess positive crankcase pressure.

Small tube is the metered outlet to the manifold
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Old 11-25-2013, 04:50 PM
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AHHHH! *click* I have the power of UNDERSTANDING!

Thanks
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Old 08-11-2015, 07:31 PM
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Ok I got tired of reading pcv ccv arguments. So whatever system i have... would the lack of the hose to the rear of the valve cover cause the engine to bog down when accelerating and possibly shut off completely. That's the issue I'm dealing with
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Old 08-11-2015, 11:06 PM
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Originally Posted by smithj View Post
Ok I got tired of reading pcv ccv arguments. So whatever system i have... would the lack of the hose to the rear of the valve cover cause the engine to bog down when accelerating and possibly shut off completely. That's the issue I'm dealing with
It's a huge vacuum leak without it.
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