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cleaning oil separator S40-V40 2007

posted by  riverbend on  Thu Oct 27 06:20 CST 2022
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last visit: Wed Oct 22 15:29 CST 2014
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2007 S40 2.4i, 183,000 miles, uses a lot of oil for a modern car, a quart every 1500 miles. After driving it on the highway and coming to a stop there is a noticeable oil smell. It does nor appear to be leaking anywhere. The back side (firewall) of the head is dry and so is the splash panel underneath.

I'm going to try cleaning the oil separator and see if that helps.

Any tips on how to do it and what I'll need for o-rings or seals ?

Thanks
Greg







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    cleaning oil separator S40-V40 2007

    posted by  Chris Mullet on  Sat Oct 29 07:52 CST 2022
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    last visit: Fri Oct 24 09:08 CST 2014
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    If your car has never had the PCV system serviced then it more than likely needs it by now (183,000 miles). Also, being that the car is an NA, it probably has a vacuum control diaphragm integrated into the oil separator box. When that diaphragm gets all coked up and ruptured the only fix is to replace the box.



    Have you performed a rubber glove test to see if the crankcase is being evacuated properly?







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