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1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 12-26-2005, 10:07 PM   #1
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Default PCV

I decided to change my PCV vale while changing my oil today. I have never changed one before. It was a pain to get to on my old car and I just hadn't done it on the Bonniville yet. Anyway...when I took it out it had oil all over it. Is that normal?
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Old 12-26-2005, 10:15 PM   #2
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Default Re: PCV

Quote:
Originally Posted by Chinski
I decided to change my PCV vale while changing my oil today. I have never changed one before. It was a pain to get to on my old car and I just hadn't done it on the Bonniville yet. Anyway...when I took it out it had oil all over it. Is that normal?
yep, well at least I thought so, since mine always have been oily.


what happens when you shake it?
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Old 12-26-2005, 10:54 PM   #3
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The thing inside it moves.
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Old 12-27-2005, 01:17 AM   #4
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It is perfectally for the PVC to look really crappy and oily, when it is removed
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Old 12-27-2005, 05:08 AM   #5
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the only time its in dire need of replacing is when the thing inside does not rattle, thusly, its all gunked up.
Positive Crankcase Ventalation, speaks for itself hehe
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Old 12-27-2005, 10:03 AM   #6
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If it rattles......it'* good
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Old 12-27-2005, 01:04 PM   #7
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The amount of oil in/on the PCV valve is determined by the amount of blowby your rings have. More blowby means higher crankcase pressures. That pressure gets vented through the PCV backinto your intake, carrying oil vapors with it. All cars have oil in there, some have more. If you're not losing a significant amount of oil between changes, you have nothing to worry about.
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Old 12-28-2005, 06:59 AM   #8
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There'* no end to the good info a person can get here! I was just asking a co-worker the same question today.
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