Questions & Answers for: 2004 gmc sierra air door

air blend door 2004 Gmc Sierra w/dual control heat. one side will blow cold air & the other hot installed new controller. same result air door actuator be the problem ? Replace the broken actuator.

...air temperature control bleed door actuator, U will need to replace the actuator and check the blend door for freedom of movement, the actuator is located inside the dash, the entire dash must be ...

GMC Denali, How do I replace the heater actuator,(air only comes out defroster and it makes a clicking noise when I first start it up) the mode door actuator is under the drivers side foot area on the

...2004 GMC sierra blows hot air out the drivers side and cold air out the passenger side. I replaced both door actuators, one on floor in the center of the truck the other under the dash near the ...

...air while passengers side works blows hot air just fine Replace the door blend actuator behind glove box, approx $150 for part, Everyone I know with dual control on the silverado's have this

air door actuators go through a "self-test" process each time the ignition is switched off then back on again. They will swing to full hot, then Full cold, then settle to wherever you have them set by

...think  the expansion valve is not working but I dont know whw\ere is at the air temp actuator for the driver side probably needs to be replaced. mine is doing the same thing on a 2004 gmc