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Weird noise coming from the dashboard when turning the A/C on or off

Tiny
BRIANNAWALSH303
  • MEMBER
  • 2014 CHEVROLET IMPALA
  • V6
  • AUTOMATIC
  • 83,000 MILES
My mom has the car listed above LTZ Limited. Every time she turns on/off the A/C there is a knocking noise coming from the passenger side of the dashboard.
Tuesday, September 29th, 2020 AT 11:45 AM

3 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

This could be a blend door actuator but I would like to hear the noise before telling you to replace it.

https://www.2carpros.com/articles/replace-blend-door-motor

Can you upload a video of the noise?

Roy
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Tuesday, September 29th, 2020 AT 12:28 PM
Tiny
BRIANNAWALSH303
  • MEMBER
  • 2 POSTS
I don't have a video right now.
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Tuesday, September 29th, 2020 AT 12:42 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Please post one when you can so I can hear what you hear.

Roy
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Tuesday, September 29th, 2020 AT 12:46 PM

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