Which part is broken with my A/C? - GMC Envoy Denali 2005

Asked by Guru9JGGSC May 21, 2023 at 05:10 PM about the 2005 GMC Envoy 4 Dr Denali 4WD SUV

Question type: Maintenance & Repair

I have an Envoy 2005, 5.3L -  My climate control system is blowing air
through the defrost vents & floor, but won't transition to the standard cabin
vents. I get heat but no cool air / a/c. I can turn the air flow up/down, but
can't get the flow through the standard vents. Any idea what part in the
system is the cause? Any help would be appreciated! Thoughts?
Thanks in advance!

1 Answer

190

Blend door actuators, may need to be reset or replaced. Typically this will happen when the battery is disconnected with the air still in the on position.

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