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post #1 of 4 Old 07-28-2009 Thread Starter
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Volvo 2002 Crankcase high pressure

A Volvo 2002 have spitted out its Oil Dipstick two times due to an abnormal internal pressure. Something in the "closed circuit crankcase ventilation" must be blocked. Any hint?
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post #2 of 4 Old 07-28-2009
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I don't know what volvo motor you have, but we have a Volvo D-6 Diesel in our work boat. There is a filter in the crankcase breather hose before it get's recycled into the air inlet. I suppose if that filter were to plug up it could develop some crankcase pressure.

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post #3 of 4 Old 07-29-2009 Thread Starter
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Ray:

The system you had just described is the one I had with my old Volvo MD7A. This motor (Volvo 2002 is the model number) has a "closed circuit crankcase ventilation" which works in a way I have not yet figured out.

Thanks anyway.
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post #4 of 4 Old 07-30-2009
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Is this what you are talking about?

An Integrated Approach to CCV (Closed Crankcase Ventilation) Filtration - Airport International

Rick
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