Sudden loss of air flow from dash vents

Tiny
JAYNE BUCKLES COOK
  • MEMBER
  • 2004 BUICK RANIER
  • V6
  • 4WD
  • AUTOMATIC
  • 110,000 MILES
All of the sudden, there's no air flow from dash vents. Air flow from floor, windshield, and backseat air flow is good.
Friday, May 21st, 2021 AT 7:52 AM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
If the air is not coming from the vents only then most likely we have an issue with the mode door actuator.

https://www.2carpros.com/articles/low-or-no-air-flow-from-vents

Below is the process from the manual that will show how to replace and re calibrate this actuator. Please let us know if you have other questions or how you work out. Thanks
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Saturday, May 22nd, 2021 AT 8:31 AM

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