The PCV Valve on a 1995 Chevy Lumina 3.4L is located in the line that comes off the rear intake manifold between the throttle body & the intake. This line is on the back side of the throttle body and intake manifold where the two come together and make a "L" shape. The middle of the "L" shape has a approx. 1/2" rubber line that comes out and is held in place by a sqweeze tight mettle clamp. If you follow that line for aprox. 6" you will come to the PCV Valve.
Mine was covered with another 1" hose over the top of it, so you will need to remove that carefully. The bottom of the PCV Valve is a plastic line.
You do not need a L shape PCV valve, my 3.4L lumina needed a straight PCV Valve.
it only took me 4 hours to find it :(
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