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Have oil coming out of pcv valve.what would the cause be

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ray gallant

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  • Cars & Trucks Master
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Bad rings called blow by

Posted on Feb 18, 2020

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Anonymous

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SOURCE: My 2000 Daewoo Nubira leaks oil from engine

I would think that if the PCV valve were actually plugged, there may be enough pressure build-up to unseat the thing, which would cause most oil leaking from crankcase pressure to exit via the hole left where the PCV was. Just a guess. How many miles on this Nubira?

Posted on Feb 27, 2009

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Anonymous

  • 146 Answers

SOURCE: I have a 1991 jeep wrangler.Getting motor oil in

Yes there is a PCV valve, you just have to look for it.
Engine may be over full on oil.

Posted on Jan 04, 2010

Testimonial: "Thank you very much.I will look for the valve."

Mel Craven

  • 56 Answers

SOURCE: Leaking oil - PCV valve?

Oil won't cause, PCV could.

Posted on Jan 16, 2010

Anonymous

  • 47 Answers

SOURCE: positive ventilation crank case valve location

I have one of these cars too, also 3.5. I purchased with 34K and has used a quart of oil every 1000 miles since then. It has no leaks or smoke or any other signs of oil consumption. So much research, nobody knows why these engines do this, some have gone as far as contacting Chrysler just for them to say, " that's normal". But here is the diagram for the PCV:

db8978e.jpg

Posted on Mar 13, 2010

BCAS1298

Alexander Mimun

  • 3092 Answers

SOURCE: I have a an oil fouled plug at cylinder 7 just

No it's either bad piston ring's or bad valve seals, the PCV ( positive crankcase ventilation ) only job is to reduce the air pressure in the crank case, so that it don't get moister in the crankcase like an air compressor.

Posted on Jun 07, 2010

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My 2000 Daewoo Nubira leaks oil from engine


I would think that if the PCV valve were actually plugged, there may be enough pressure build-up to unseat the thing, which would cause most oil leaking from crankcase pressure to exit via the hole left where the PCV was. Just a guess. How many miles on this Nubira?

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