Question about 1998 Pontiac Bonneville
Leave dry dont put factory back on use the ones called problems solvers these are metal
Posted on Oct 27, 2012
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Posted on Jan 02, 2017
The PCV valve gets it's vacuum from the plenum itself. Some 3.8L have different types of connections on the top of the valve (electrical or mechanical), but none have a vacuum line on them.
If you replaced the lower intake gaskets, it is very likely they crushed around the intake bolts. This will cause oil to leak into the intake and pool in the recesses of the lower intake. You are also likely to be leaking anti-freeze.
This is a very common problem with OEM gaskets. After market gaskets made by Fel-Pro have metal rings in them specially to stop this problem. They are available at NAPA and other stores.
Posted on Jun 06, 2009
Yes it is common, generally the best thing you can do is buy the most expensive gaskets you can find, use "right stuff" rtv gasket material wherever you can (do not use on seals that come into contact with fuel, and as with all rtvs apply a thin bead and do not spread or smooth with your finger or anything else, just apply and press the part on, if it smears when re-installing remove it, clean it thoroughly and start over). Also be sure to check the manifold for warping or cracking, and have a machine shop resurface all areas that are sealed with a gasket.
Posted on Jan 20, 2010
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