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2007 Hyundai Coupe oil

Tiny
JOVANTI
  • MEMBER
  • 2007 HYUNDAI GENESIS COUPE
  • 430,000 MILES
I just serviced my car and when having it serviced they found oil in the air filter, they told me to drive it for a week and see if there is any more oil in my air filter and there was a oil on my filter again. I was told it could be pvc valve need cleaning and I have had that done. If that doesnt work is there anything else it could be. I was told it could be the oil pump.
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Monday, September 30th, 2013 AT 9:27 AM

5 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,740 POSTS
It's not the oil pump. How many miles are on this engine?
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Monday, September 30th, 2013 AT 5:07 PM
Tiny
JOVANTI
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  • 3 POSTS
Its done only 43,000 miles
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Tuesday, October 1st, 2013 AT 12:38 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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Most times, blow by is the cause of this type of problem. That is when the engine rings are worn out and allow compressed air to bypass them and create pressure in the crankcase. As a result, excessive pressure finds its way out of anywhere it can. One place is the PCV or breather which force oil back into the air filter housing.
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Tuesday, October 1st, 2013 AT 5:24 PM
Tiny
JOVANTI
  • MEMBER
  • 3 POSTS
The best thing I could do is replace the engine rings, but dont you think it is still low mileage to replace the engine rings? Is there a way to tell if the engine rings need replacing?
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Wednesday, October 2nd, 2013 AT 2:13 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,740 POSTS
Yes, I agree that it is very low mileage for the rings to be replaced. What you should do is check engine compression to see if it is weak on any of the cylinders.
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Wednesday, October 2nd, 2013 AT 5:44 PM

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