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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.

Man this is a dumb question but whats a PCV valve?

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Old Sep 16, 2005 | 06:13 PM
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Default Man this is a dumb question but whats a PCV valve?
Sorry for such a dumb question that I should probably know the answer too but whats a PCV valve? People talk about changing it so I want to also. Im on a roll man.
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Old Sep 16, 2005 | 06:43 PM
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Postive Crankcase Ventalation
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Old Sep 16, 2005 | 06:43 PM
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Pressure control valve or Positive crankcase ventilation valve.

It allows whatever gases that may blow by the piston into the oil pan back into the intake tract to be reburnt. A sticky one can reduce MPG.
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Old Sep 16, 2005 | 07:02 PM
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and there are pics in here

http://www.bonnevilleclub.com/forum/...ht=pcv+picture

supercharged are in a way different place though
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Old Sep 16, 2005 | 09:23 PM
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Comfy, I just did mine a few months ago. Its an easy process, just make sure you tighten everything back up.
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Old Sep 16, 2005 | 09:32 PM
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remove it and shake it, if it rattles it'* good.
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Old Sep 17, 2005 | 01:48 PM
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where is it on a 92 SSEi?
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Old Sep 17, 2005 | 05:36 PM
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Originally Posted by shortstuf212559
where is it on a 92 SSEi?
remove the engine cover... right in the middle, behind the supercharger.... little black square labeled "PCV"
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Old Sep 17, 2005 | 06:13 PM
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thanks Haro! im pickin the car up on friday, and am lookin forward to giving it a FULL tuneup!
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Call me dumb -Where's the PCV valve???
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