Outside air vent whistle.

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11-30-2010, 10:29 PM

SilverBulletZ06

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Outside air vent whistle.

As the title says, I have a whistle coming when my climate controls are set to outside air, and it immediately goes away once you go to the cabin air (recirculating). Any ideas for a quick fix?

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12-01-2010, 11:38 AM

berry1234

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There is a tsb for this. Is it at a certain temperature? Mine makes more of a whooshing noise that is changed by the wind direction-this is just a design flaw as it was like this on my 07 and 08.

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12-03-2010, 02:18 AM

SilverBulletZ06

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Not really temp dependant. It did it during a warm day and during a freezing morning.

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12-06-2010, 10:41 AM

berry1234

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Is it like a whooshing sound or a constant whistle? Try moving the vents into fully open position also.

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12-23-2011, 03:05 PM

maverick1701

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mine does this too...if I switch to "in car air" it goes away.

Im off to check out the TSB

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12-24-2011, 10:18 AM

mudder460

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Let me know what you find out. My Expy has a bunch of noises when I run the air. I think I have a few problems I need to get fixed, even the flapper valve I beleive it is called.

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