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no air to rear vents

Discussion in 'General Chevy & GM Tech Questions' started by joshua, Jul 26, 2008.

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  1. joshua

    joshua New Member

    got a 2001 Yukon and the fan knob for the rear vents just stopped working. You can hear a "clicking" sound when you turn the knob. The AC and fan work fine in the front. I have checked some fuses, looked good. Wondering if the fan is controlled be relay? If so, which one. Any tips would be great!
  2. collinsperformance

    collinsperformance Epic Member 5+ Years 500 Posts

    sounds like the direction vent door motor is gone and need to be replaced. there are plastic gears that break off teeth and then they make that "Clicking" sound.......mike
  3. joshua

    joshua New Member

    which door would I find the vent motor?
  4. collinsperformance

    collinsperformance Epic Member 5+ Years 500 Posts

    on the rear air unit. you will most likly have to remove the rear side pannel or get it loosened enough to work on the rear unit......mike

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