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Old 08-02-2007, 05:11 PM   #6
CJ_Boxster
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Join Date: Jul 2006
Location: Where the Sewer Meets the Sea, CA. USA
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Whoa, only 8k miles on the car and its a 2001... Well thats typical of a bad AOS. The AOS is basically a One way check valve from the crankcase to the intake manifold... Also it keeps the oil from foaming.

When they go bad, they allow oil to come up into the intake and down into the cyclindars where the oil gets burned, its only when you start the car up after its sat for some hrs that enough oil can sometimes find its way into the engine and smoke for afew seconds during startup.

RMS leaks are simple to find.. if you have no oil anywhere but under the tranny and rear bottom area of the engine block... usually an RMS leak.... thats if your valve covers arent leaking or your AOS or the oil filler tube.
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