Question about 1989 Oldsmobile Delta 88

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Pcv valve where is the pcv valve located on the motor of the 1989 oldsmobile delta 88? I need to replace it, but can't seem to find it on the valve cover like most of the pcv valves are located. I know the part number, it is ac-type cv-899c.

Posted by dorothyofozl on


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The PCV valve is located under the MAF sensor. Turn that, pop it off and it is right underneath.

Posted on Oct 23, 2011



Alos get a haynes repair service manual it will tell you all about pcv vavles and oher cool stuff too.

Posted on Sep 28, 2008



This is a ***** trust me I done it, I have the same car. Don't unless the valve has stoped working even if it has its not a big deal its just an emissions control device. you need a black rubber grommit, the pcv vavle and a new piece of small black hose with small metal clamp. If you go to a dealership they have special pices you can buy to make it easier. When doing this the grommit and hose might as well be replaced also they are small and inexpensive parts readiley available, just dont drop the old or new peices or push the old grommit into to itake maifold like I did. Peace

Posted on Sep 28, 2008

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1 Answer

I have a year98/88 delta oldsmoble with a 3600 engin and looking for the pcv valve where is it located

Valve Cover on almost any engine ever made

No one seems to know what they even do

Are you aware that they never need to be replaced?

They can be cleaned with any solvent

They only regulate the air flow from the oil
pan to the intake& that is to relieve crankcase
pressure & burn any fumes

They also stop most oil from going past the PCV
into the intake

A PCV Valve has absolutely nothing to do with anything,
provided that there is no vacuum leaks on any hose that
is attached to it


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