klrz28

Shouldn't I have some vacuum with the engine running when I pull the pcv valve? I have none. I don't understand. What do I need to do ?

Injuneer

Pull a vacuum line to check vacuum. The PCV sticks into the side of the intake manifold, but it connects through a passage to the lifter valley, not to the plenum. You won't see any vacuum at the grommet. You might see a vacuum at the end of the PCV valve, since it is hooked to the vacuum port on the intake manifold right below the throttle body. But the PCV valve is spring loaded to limit vacuum to certain operating conditions.

http://shbox.com/1/pcv_pipe.jpg

klrz28

OK I have vacuum. One other question. The pcv line which way does it flow? from the bottom front of the intake to the pcv? And the passenger valve cover tube breathes from the throttle body to the valve cover correct?

Injuneer

Air from in front of the throttle body flows through a passage into the chamber under the throttle body rectangular cover. It flow into the hose, and into the passenger side valve cover. The air is pulled by vacuum through the crankcase and the lifter valley, into the sheet metal pan on the bottom of the intake manifold, and through a chamber on the driver's side of the intake manifold that the PCV valve sticks into. Vacuum from the intake manifold starts at the port under the throttle body, and pulls the air/crankcase vapor through the PCV valve, through the tube to the front of the intake manifold, and into the intake manifold at the vacuum port.

The vacuum source for 95-97 is different than 93/94. As noted in Shoebox's photo, 93/94 uses a vacuum port on the driver's side of the intake manifold, a couple inches behind the PCV valve/grommet, conneted by a U-shaped rubber hose.

klrz28

So the tube that hooks to the front of the intake under the throttle body pulls (sucks) the pcv valve open?

Kevin Blown 95 TA

yes

klrz28

Thanks guys this site rocks!

Injuneer

That's good to hear. Just last week someone called Kevin and me, and a few others "turd brains who think their poop doesn't stink."

This is certainly a step up!

klrz28

Nahh,I know the guys on here that know their poop. Lol

twistedbowtie

+ 1 . You guys know what your talking about you guys have helped me many times.
Dustyn

slick1hunting

I for one have seen a bunch of people willing to help other people that either dont have the knowledge or experience repair their problems or guide them to proven choices. For me thats a very positive thing as most things are based from a desire to help rather than make money or promote a product. Sure there may be egos and opinions but thats better than learning the hard way or spending extra time and money on things. I am greatful for sites like this as ive took on a major project and the added confidence of having people who know what and were things are and wgat works and what dont. People like shoebox who took.the time to make a site with all kinds of needed info and pictures. In my book that is an awesome thing so keep helping others and the site will always be a good thing

bw_hunter

How eloquent!!!!

Kevin Blown 95 TA

I don't know if it's a good thing or a bad thing, but if you own a car for 17 years and work on modifying it for over 12 years, and spend about that much time on the same car forums, you're bound to learn something about it