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Old 05-19-2017, 01:15 AM   #1
FriggenT
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Pcv question

I decided to check a few things under the hood tonight, I noticed that when pulling the oil cap off, there's no resistance and air is actually blowing out, the engine also runs rough. I thought it was supposed to be difficult to pull the oil cap when at idle?
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Old 05-19-2017, 02:13 AM   #2
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It's supposed to be difficult to pull the cap off if there is a vac leak.
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Old 05-19-2017, 09:59 AM   #3
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It's supposed to be difficult to pull the cap off if there is a vac leak.
Ok, so it's shot then?
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Old 05-19-2017, 10:21 AM   #4
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It's supposed to be difficult to pull the cap off if there is a vac leak.
Define difficult, because normally there is some resistance when pulling the cap off normally.
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Old 05-19-2017, 11:20 AM   #5
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Define difficult, because normally there is some resistance when pulling the cap off normally.
I always had a fairly strong vacuum when pulling mine off, there's basically none as I pull it away now and air just pours out (of course as there's a vacuum leak)
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Old 05-19-2017, 12:16 PM   #6
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I always had a fairly strong vacuum when pulling mine off, there's basically none as I pull it away now and air just pours out (of course as there's a vacuum leak)
i feel for you trying to chase this Friggen leak down man
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Old 05-19-2017, 01:11 PM   #7
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I always had a fairly strong vacuum when pulling mine off, there's basically none as I pull it away now and air just pours out (of course as there's a vacuum leak)
PCV is an easy swap, might be worth it to swap, though I hate just throwing $ at parts without confirmation.

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Old 05-19-2017, 01:12 PM   #8
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i feel for you trying to chase this Friggen leak down man
Will never buy another eurocar again...thats for damn sure.
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Old 05-19-2017, 02:03 PM   #9
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i feel for you trying to chase this Friggen leak down man
Hence why I bought a 034 catch can with africa plate...1 less point of failure
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Old 05-19-2017, 02:13 PM   #10
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What PCV valve revision do you have? The E revision my car came with from the factory had a slight vacuum & oil leak, so I picked up an AC revision for less than $80 even though now, AH is the latest offered by VW

Last edited by Calkulin; 05-19-2017 at 06:12 PM. Reason: Corrected latest revision part #
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Old 05-19-2017, 02:42 PM   #11
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What PCV valve revision do you have? The E revision my car came with from the factory had a slight vacuum & oil leak, so I picked up an AC revision for less than $80 even though now, AE is the latest offered by VW
I got the latest about 15-20k miles ago...AC iirc
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Old 05-19-2017, 03:13 PM   #12
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Hence why I bought a 034 catch can with africa plate...1 less point of failure
funny as i just came from the thread with the guy from new zealand who had to replace his k04 on his R BECAUSE of the africa plate

That wasn't meant to antagonize. It's just funny when something supposed to be a solution
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Last edited by damagi123; 05-19-2017 at 03:24 PM.
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Old 05-19-2017, 03:27 PM   #13
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Originally Posted by Dans GTI View Post
Define difficult, because normally there is some resistance when pulling the cap off normally.

Like it felt like the cap weighed 50lbs. Happened when my PCV diaphragm tore and it was sucking air through the pin hole. Its a mjaor difference as if I tried it ow
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Old 05-19-2017, 03:40 PM   #14
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What PCV valve revision do you have? The E revision my car came with from the factory had a slight vacuum & oil leak, so I picked up an AC revision for less than $80 even though now, AE is the latest offered by VW
I thought AE was for Audi models, and that requires seals rings and software updates.
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