hi guys ! it,* me again ! i have a 97 buick lesabre 3800 v6 and it shows the pcv valve is under the map sensor so how does it get the vacuum without a vacuum hose ? all i see is a map sensor and a spring ! all the pcv valves i seen had a hose going to it ! thanks guys for your time ! also would it be ok to use a 180 dregree thermostat ? i don,t know what,* in it now, i just got the car not too long ago but so far the thermostat seems to be working ok ! you have a good day and thanks again !
Many typical PCV systems do use a vacuum hose when venting from crankcases.
The Buicks PCV is part of the intake manifold, quite a bit different for sure.
Diagram: VIN K from my Park Ave for removal, is yours the same?