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Old 10-12-2006, 04:36 PM   #4
CJ_Boxster
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Join Date: Jul 2006
Location: Where the Sewer Meets the Sea, CA. USA
Posts: 2,695
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LOL nope not the filter, I think the issue is internal, If its only happening with RPM and not vechicle speed i think its inside the engine...UNLESS, When i was backing out my steep driveway, The passenger rear tire went out the driveway first, so it was hanging about 5-6 inches lower than the rest of the car, THEN i heard that hissing noise on the driverside of the engine.

As soon as the car or rear wheels leveled out, the noise went away.
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