Clicking Noise from Recirculating Air Rotary Actuator - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 9 (permalink) Old 09-10-2012, 06:45 AM Thread Starter
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Clicking Noise from Recirculating Air Rotary Actuator

Help;
This summer it was extremely warm here in Manitoba and I used the instruction in the owners manual to perform a fast cool down by turning on the recirculating air system. First mistake. Now I get an annoying clicking sound when I turn the key. This lasts for about 10-15 seconds and then stops until the next time I turn the key. After researching this phenomenon on the web I discovered the this is the gear in the rotary actuator that has stripped some of the gear teeth and is clicking on the remaining one. I contacted the good people at GM and was told as the vehicle is out of warranty there is nothing they are prepared to do except offer a discount on a $900.00 repair. But enough of my moaning, has anyone out there had the same problem and what did you do to correct the situation. I really don't care if I have to completely disable the system I just want the clicking to stop. Any and all help would be appreciated. Thanks in advance.

Ron
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post #2 of 9 (permalink) Old 09-10-2012, 06:55 AM
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Does this describe your problem?

2005 cobalt: it the damper for the recirc air starts clicking - JustAnswer



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post #3 of 9 (permalink) Old 09-11-2012, 12:42 PM Thread Starter
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Thanks for the info

Thanks, that describes the problem exactly. Now is there a drawing or exploded view that I can use to find this stupid thing so I can remove or disconnect it? I have tried searching the web but maybe am using the wrong phrase. If anyone has this or can point me in the right direction it would be appreciated.

Thanks;

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post #4 of 9 (permalink) Old 09-11-2012, 01:55 PM
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| Repair Guides | Blend Door Actuator | Removal & Installation | AutoZone.com

Looks like a major pain.



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post #5 of 9 (permalink) Old 09-11-2012, 02:16 PM
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post #6 of 9 (permalink) Old 09-12-2012, 11:47 AM Thread Starter
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Sorry, it's a 2008
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post #7 of 9 (permalink) Old 09-19-2012, 05:49 PM
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Major repair.
Is there a simpler fix?
Like a fuse to pull, or relay?
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post #8 of 9 (permalink) Old 01-18-2013, 08:10 AM
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common problem within the chevys ive seen it come on ago in a family members trail blazer
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post #9 of 9 (permalink) Old 02-08-2013, 03:12 PM
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Turns out there is a simple fix.
I got out my Haynes Repair manual, and located the wiring diagram for the HVAC controls etc. Afterwards I went to the car to locate the wires.
They are in a wire loom, electrical type sticky wrap, coming from the center console. They are in the same loom as the fan power wires, the actuator wires continue on up to the actuator.
Snip the one that is to open the acuator for fresh air.
I remember it was pink and white. Snipped it, used a strip of electrical tapes to secure the two ends, problem solved. No more clicking. Although it now stays on recirculate, which is fine with me.
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