Sometimes only blows cold air on drivers side but passenger side is hot. I can’t see to find the blend door actuator for that.
Feb 1, 2026 at 11:47 AM
Hvac passenger side is hot?
2011 BUICK REGAL
HFRED36
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Hello,
So the driver side blend door actuator is on the left side of the HVAC plenum above the accelerator pedal. Make sure to reset the system once the part is replaced, here is a guide to help.
https://www.2carpros.com/articles/step-by-step-guide-to-reset-your-cars-hvac-system-an-essential-for-every
Check out the images (below). Let us know if you need anything else.
So the driver side blend door actuator is on the left side of the HVAC plenum above the accelerator pedal. Make sure to reset the system once the part is replaced, here is a guide to help.
https://www.2carpros.com/articles/step-by-step-guide-to-reset-your-cars-hvac-system-an-essential-for-every
Check out the images (below). Let us know if you need anything else.
Image (Click to enlarge)
Feb 2, 2026 at 9:27 AM
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