Vent control selector switch

2005 CHEVROLET CAVALIER
35,000 MILES • 3.3L • V6 • 2WD • AUTOMATIC
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CHUCKWYATT2
  • MEMBER
  • 1 POST
There is loud clicking sound that seems to be coming from the AC/heater control panel. it does not matter what position the switch is except between the first and second position. All positions make the clicking sound and each position selected works.
Jul 22, 2018 at 12:03 PM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
Good morning.

There are actuators that work different controls for the system such as blend door, mode controls and air controls. When the are failing, that is the noise you hear. They may still work but one of the functions will stop working eventually.

Roy

https://www.2carpros.com/articles/replace-blend-door-motor
Jul 22, 2018 at 7:07 PM
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