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Air Oil Separator Problem

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#1 Porsche_Monkey_4life


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Posted November 07, 2009 - 02:26 PM

My AOS (air oil separator) is extremely dirty once again after only a few months after replacing it. Also my rough idle is back. This had been resolved when i replased the AOS originally, indicating that it the AOS once again. The car is a 99 Boxster with a 3.4 996 conversion engine. I believe the AOS was from a boxster and replace with a boxster AOS. Are these parts interchangeable ? Could that be my problem? What else could cause the AOS to get extremely dirty? Thank you for your help. 99 Boxster 5 spd 3.4 996 conversion

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#2 Dharn55


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Posted November 07, 2009 - 03:20 PM

Pet shows different AOS' for the 996 and 986, I think there is a difference in clearances, etc. Function is the same.

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