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Pontiac Bonneville
Grand Prix GT
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Where are the pcv valves on a Pontiac Bonneville with a 3.8L non-supercharged engine?

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2006-04-26 02:21:20
2006-04-26 02:21:20

the pcv valve is located on the passenger side of the upper intake plenum there may be a plastic cover on the plenum . The black plasic cover must be twisted to the left (this may take a little bit of muscle), anyways once you remove this cap be careful not to lose the spring and O ring. The pcv valve may have to be removed with a pair of needle nose pliers.

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