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Q: Clicking Sound from Glovebox on 2006 Chevrolet Cobalt

Whenever we start the car, there's a loud, continuous clicking sound coming from around the glovebox area. It varies on how long it lasts but generally no more than 5 seconds. I originally thought it was the vent motor that directs the air but we can change where the air comes out (to top vent or footwell) without any problems. This only happens when the car starts up. Any ideas?
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The sound you are hearing may very well be one of the actuators for the heating/a/c system (HVAC). Your 2006 Chevrolet Cobalt uses three such actuators. The strange thing here is that the actuators can cause a noise concern and still function correctly. The best way to determine which if any is making the noise is to disconnect the electrical connector from one at a time and see if the noise stops. If the noise stops you know which one is causing the problem and should be replaced.
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