skreeching/chirping noise in dash...

Leanz

New Member
Sep 23, 2007
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So I have this sound in my dash, it sounds like a fan with a bad bearing or somthing, it is not affected by climate controls at all. its on constantly. loudest at idle. sometimes i think i associate it with bumps at higher speeds, but maybe its just faintly chirping at that speed too..... WHAT could this be.... is there another fan besides climate control fans?
 
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I have the same problem and the other 04 Mustang I test drove had it too. What mine and the other Mustang's noise is the plastic wiper cowl. I finally figured it out while going through the car wash. When the fan's air hit the cowl it started chirping and then stopped as the air moved past. I confirmed it by tapping on the cowl in different spots and sure enough it chirped. I would have bet it was coming from inside the car behind the stereo but it's outside. Mine doesn't do it that often so I live with it.