2004 Chevy 2dr Cavalier Sport Edition Loud Popping Noise When HACV switch is in all positions but Recirculate

Tiny
CARLTONRIDES
  • MEMBER
  • 2004 CHEVROLET CAVALIER
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 79,000 MILES
My daughter's '04 Cavalier has a loud popping noise when one actuates any position other than the AC Recircluate position, whether at no or any fan speed position as well. This steady popping noise will happen even when car is not started and ignition is activated. I have been reading online forums about this issue, and I'm guessing that his to do with the motor which actuates the fresh air plastic door. Does stop making noise when in recirculate mode because door is closed in this mode? Therefore the door is trying to open in the other modes, and something is broken like a plastic part the motor pushes/pulls? More importantly, what will fix this and do you have 'do it yourself' instructions? Thanks
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Tuesday, May 24th, 2011 AT 7:41 PM

3 Replies

Tiny
TWLIGHTNING
  • MEMBER
  • 2 POSTS
Mine is doing the exact same thing. How do you get to the fresh air door to replace the actuator or whatever is makeing that noise.
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Friday, October 14th, 2011 AT 1:57 PM
Tiny
TWLIGHTNING
  • MEMBER
  • 2 POSTS
Figured it out. You have to remove the dash pad, air ducts, passenger air bag, and the actuator is to the right of the door. I caught it making the noise when I hooked the battery back up to double check that was what was making the noise. Please follow a manual when your messing with your airbags.
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Wednesday, October 19th, 2011 AT 2:30 PM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
It's the fresh air actuator and it's abear to get to. Whole dash has to come apart.
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Saturday, October 22nd, 2011 AT 8:59 AM

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