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Buick
Ranier
Interior
Dashboard
Sudden loss of air flow from dash vents
2004 BUICK RANIER
110,000 MILES • V6 • 4WD • AUTOMATIC
JAYNE BUCKLES COOK
MEMBER
1 POST
All of the sudden, there's no air flow from dash vents. Air flow from floor, windshield, and backseat air flow is good.
May 21, 2021 at 12:52 AM
KASEKENNY
✓
Experienced 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
Images (Click to enlarge)
May 22, 2021 at 1:31 AM
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