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Old 05-06-2002, 12:03 PM
Registered User
Join Date: Jul 1999
Location: Youngstown, OH
Posts: 150
My car's whistling! Anyone have this?

My A/C system has started an occasional whistle from the center air vents. It happens about a third of the time. It disappears when the A/C is off; actually it fades away when the system is turned off. The sound is independent of compressor on or off or of the air flow selection (defrost, floor only, dash only, etc.) recirculation mode or filter mode.

The car is a 1998 E320T (wagon) with 63000 miles. Theres no debris in the air intake vents on the hood.

Has anyone had any experiance with this before I take it in to the dealer?


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Old 05-06-2002, 01:15 PM
Fimum Fit
Posts: n/a
Don't drive it near those cute and curvy BMW roadsters.

OK, I apologize!
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Old 05-06-2002, 01:52 PM
Senior Member
Join Date: Apr 2001
Location: Baton Rouge
Posts: 485
This is usually a actuator problem behind the dash. Most probably a few are leaking and you are hearing a vacuum leak.

euro 287
Mercedes Technician 7 Years (retired to Hyundai)
2000 Dodge Durango
98 Mazda truck
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