Question about 2004 Chevrolet Cavalier

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Clicking noise when using defrost setting

I was using the air recirculating setting and when I switched to the defrost setting there was a clicking noise from the passenger side. I assume there is a problem with the changeover. Can you please tell me what could be causing this any how to repair the problem?

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  • arod78666 Jan 02, 2009

    i'm having the same problem, but my clicking just started. it starts a few seconds after i start my car and just keeps going.

  • Van_Kerr May 11, 2010

    Hi ..... You may find that a timed relay is used on/for this function, does it stop after a certain time ? Is it a new vehicle to you and you've just noticed the noise ?

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Maybe a coin or piece of paper or small screw has fallen into the vent from the top of the dash near the vent holes, where the air comes up to the wind shield

Posted on Jan 08, 2009

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Air Distribution and Filtering adobe.gif Printable View (79 KB) NOTE: The air distribution system of this vehicle cannot be equipped with a cabin air filter.
There are 2 sources of air available to the air distribution system:
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Recirculated air is automatically used when the electronic manual temperature control mode selector is set in the MAX A/C or OFF modes and can be selected in any mode other than MAX A/C, OFF or DEFROST by selecting the RECIRC button. Recirculated air is available in all modes except DEFROST. If the vehicle is equipped with an electronic automatic temperature control (EATC) system, recirculated air is used in OFF and is available in all modes except DEFROST. RECIRC mode is a timed function in FLOOR and FLOOR/DEFROST.
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