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Click on image for the lowdown. 
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#78681 06/11/2007 5:35 PM | Joined: May 2006 Posts: 8,351 'Bolter | | 'Bolter Joined: May 2006 Posts: 8,351 | Could be the main seals, too. Or possibly the dulge plug, but that's unlikely.
The PCV is the Positive Crankcase Ventilation valve. It meters the amount of fresh air that goes through the crankcase to ventillate the blowby.
Bill Burmeister
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