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Thread: Oil blowing out of valve cover
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09-08-2010, 07:57 AM #1
- Join Date
- Nov 2005
- Location
- Royal Oak, Michigan
- Age
- 51
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- 236
Black- 2004 GTO A4
Oil blowing out of valve cover
I did the famous 'Sarge' PCV catch-can and vented oil cap mod. It's been installed for over a year now. Last week, I noticed some oil on my plastic valve cover-cover. Anyhow, I wiped it off thinking that maybe I spilled a bit of oil when I changed the oil last month.
After a few days, the oil returned. I wiped it off again, and it re-appeared. It looks like it is coming out of the oil fill breather on the valve cover. Should this be happening?
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09-11-2010, 01:46 PM #2
Hey Joe, Try to clean the filter up, it might be saturated with oil and will hold no more. Mine did the same thing and a little K&N cleaner did the trick.
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09-12-2010, 04:57 AM #3
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09-16-2010, 05:02 AM #4
- Join Date
- Nov 2005
- Location
- Royal Oak, Michigan
- Age
- 51
- Posts
- 236
Black- 2004 GTO A4
Thanks guy's. I will try that and see if it works.
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06-29-2011, 07:15 AM #5
- Join Date
- Nov 2005
- Location
- Royal Oak, Michigan
- Age
- 51
- Posts
- 236
Black- 2004 GTO A4
So here is my update. There was a small filter in my catch can that was plugged. I removed this filter and now I seem to have a lot of vacuum 'sucking' air through the vented oil cap on the valve cover. Instead of 'blowing' oil and air out it is sucking air in.
Just wondering....if the filter on my catch can was plugged, and the vacuum from the lifter valley was blocked, could I have created a vacuum leak now between the lifter valley and the valve cover? Any ideas?
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07-07-2011, 05:36 AM #6
- Join Date
- Nov 2005
- Location
- Royal Oak, Michigan
- Age
- 51
- Posts
- 236
Black- 2004 GTO A4
Any ideas guys?
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07-07-2011, 09:49 AM #7
Of say it wad clogged....you should be pulling vacuum through that vented valvecover cap
408 stroker, pacesetter lt's, 3"dual exhaust, Edelbrock proflo intake, p&p tb, 255/266 cam, p&p & milled 241 heads, hptuners, Saginaw 3 speed, Ford 9", 4.56 gears, tubbed, battery relocation, weight reduction, racing seats, rjs harnesses, custom wide body kit, custom paint, 18x9's 245/40/18's front, 15x15's 31-18.50 15's rear
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07-12-2011, 08:39 AM #8
Do you have the hoses crossed? Out of the valley into the top of the catch can> From the bottom or cylinder portion of the can into the intake? Maybe??? Just a suggestion
160 tstat
K & N CIA
Diablo custom tune
Borla dual exhaust
CAGS Eliminated
Catch Can / Breather Filter
TB Bypass
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