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Crankcases and PCV Valves
Oldsmobile Cutlass Supreme
Late Model 1979-New Ford Mustangs

Where is the PVC valve located on a 1989 Olds Cutlass Supreme?

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2004-06-18 15:45:17
2004-06-18 15:45:17

"Remove this only when cold (caution injury & vehicle damage" It is under your engine intake manifold plenum (the to metal assembly on the engine) almost center of the valve cover on the rear bank (closest to the fire wall). To change this you must rock the engine forward. You may need be able to remove this w/out removing the intake manifold. If you do be very carefull of the spider web thin vacuum lines under the manifold. If you remove the intake manifold you may need to purchase the intake manifold and any other gaskets and seals.

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