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The PCV valve plugs into the rocker arms cover or intake manifold.
located on vale cover
on the valve body
typically ther're on the top of the valve cover or on the intake manifold.
The PCV valve for a 1999 Regal 3.8 is located on the top of the valve cover. The valve pulls out to replace it.
The PCV valve on a 1995 Buick Park Avenue is located on the top of the valve cover. Twist the valve and pull to remove and replace it.
If you have a 3.3L the PVC valve is located under the alternator.
Driver's side valve cover top, locate 3/4" hose its on the end that is inserted into the valve cover.
The flush valve for the radiator on a 1999 Buick Century is located on the bottom of the radiator near the vehicle's frame. When it is loosened, the coolant will slowly drain from the vehicle.
Note that a 2.8L engine is a V6 and has two valve covers. Did you try looking at the other valve cover? == == == == IT'S ON THE VALVE COVER WHERE THEY ALWAYS ARE. I have this car and it is not there!
the PCV valve is located on the valve cover of a 1991 Regal Custom. It is plugged in and can be easily changed.
The PVC valve for a 1991 Skylark should be located on the top of the valve cover. It is a plug in type, twist and pull to remove.