1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

Oil In Air Cleaner

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Old 10-23-2007, 12:28 AM
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Per my previous note above, yes I did replace my PVC valve today.
The old one with only 20,000 miles and the new one were both GM parts not generic.
I will have to part way and disagree that I believe it was not my PVC valve.
Doesn't add up.
PVC valve has never caused problems, looked and worked just fine when I removed today and I've never had oil in my air filter and box before to where it leaked out on the ABS module. There were only 2 factors that changed in the last 2 weeks. 1) transmission rebuilt, or 2) Engine Restore I put in my engine last week.

To answer your question wjcollier07 your first picture is what I put in my car.
Old 10-23-2007, 12:56 PM
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Ok, well on a side note, you don't need to put that in your engine. These engines don't commonly have compression problems and on top of it, I don't think anyone has really seen any beneficial result. Not worth the money.

And yeah, it didn't make sense to me when it happened either. Because my thinking would be that if it came up through the PCV, wouldn't it have to somehow get across all the intake runners first? I don't get it. So if/when you find out, be sure to post back.
Old 10-27-2007, 01:56 AM
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Well...I've been watching now for about a week very closely with new filter and put on over 100 miles and air filter is dry as a bone and no oil whatsoever has come through into air filter and box.

We'll have to chaulk this one up to the X files.

And, no it was not the PVC valve.
Old 10-27-2007, 02:12 AM
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Same with me, not one hiccup since. So we've got multiple cases with no rhyme or reason for either occurance

Also, you might want to clean your TB and MAF out since that oil got in there, if any oil got on the maf its definitely not going to be reading normally anymore.
Old 10-27-2007, 11:59 AM
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Here is my take on this. In the first sentence in this thread doug mentioned that " he cleaned his K&N about two weeks ago". Ok I have personally expierenced over oiling a K&N filter. IIRC he also stated that the oil was reddish. Which to me would mean there was too much oil soaked into the filter, and it was dripping off. I did this once on my Ranchero and had a red oily mess everywhere. This is just what I got out from the statements made and could be wrong.
Old 10-27-2007, 12:37 PM
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Blownville, read carefully what I stated I said it "DIDN'T" contain any red color in the oil. Also, I have many years of experience using K&N filters and have never over oiled.
Also, if I was to guess at the amount of oil I'd guess close to a quart if you add it all up.
You will never get that much from miniscule amount of oil you spray on your K&N.

Nope. I knew this would be a tough one for the books. Now we have 2 people with same stories in this forum with same problem happening to both with no explanation. At least not yet
Old 10-27-2007, 02:15 PM
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Sorry. I guess I wasn't awake enough when I read it.
Old 10-27-2007, 02:18 PM
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Just for good measure I also had about a quarter of a quart in my intake hose on my 95 when I took it apart to put on a high flow filter. After doing the upper and lower IM gaskets I haven't seen any more oil. I figured it was from the known bad gaskets.
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