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- - Boxster Air Oil Separator (http://986forum.com/forums/performance-technical-chat/56362-boxster-air-oil-separator.html)

KRAM36

03-19-2015 10:59 PM

Boxster Air Oil Separator

Pelican Technical Article: Boxster Air / Oil Separator Replacement - 986 / 987

Quote:

The engine air-oil separator is an emissions device located on the top right rear corner of the engine. The separator is responsible for collecting residual gases and vapors contained inside the crankcase and funneling them back into the intake manifold where they can be burned in the combustion chamber. This reduces the overall emissions of the engine.

Curious, how do these "residual gases and vapors" get into the crankcase?

.

911monty

03-20-2015 07:13 AM

Kram; Since no response I'll throw in 2 cents worth! Most of the gasses are from sources such as ring end gap and blow-by. Crank case pressure has much effect on the sealing of the rings at various points along piston travel. There is an incredible amount of science/technology addressing this pressure and ring sealing.

Slate 01

03-20-2015 07:31 AM

I think it comes from Mexican food:p

KRAM36

03-20-2015 06:31 PM

Quote:

Originally Posted by Slate 01 (Post 441106)

I think it comes from Mexican food:p

lol, that will give my crankcase gases too.

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