2005 GMC Yukon "xl blend" Questions

...xl front ac only blows outside air temp. Rear air works great what could it be?? The common cause of this is a failed air temperature control. blend door and or the electric actuator that moves it. ...

...XL This problem started out being intermittent and now the passenger side blows hot air at all times. I have dual controls but it does not seem like the controls affect the temp at all. I think when ...

blend door Actuator is not working correctly. It seems like it is over travels and gets stuck or something. Tried to reset it by removing the HVAC fuse. Bought new actuator. started to worked normally

AC not blowing cool even with full freon. does the heater work?? Why I asked that is the "Blend" door might need to be relaced, Sounds like its blocked and wont open. the blend door blocks cold air ...

2003 gmc envoy XL where is the blend doors actuator and how can it be fixed ? Here is a diagram of the front HVAC system.

...xl and air won't come out my defrost or or from the floor vents only from the face vents how can I Fix this? https://www.google.com/search?q=2002+gmc+yukon+denali+xl+blend+door+actuator+location

When trying to change from panel to floor to defrost, it will not change.. even if it is off, it is still blowing air. How to fix? How do you check and see if actuator is getting power? Took it off ...

My heater is not blowing any air out in front. You would need to know if the blower motor is running or not.If it is and no air is coming out the vents, could be a blocked cabin air filter or a ...

...XL , I have an problem with the Air Conditioner? The front of the Vehicle doesn't blow an cold air , BUT the rear BLOWS COLD. the most common problem here is a defective air temperature control blend ...

the rear climate control is only blowing cold air Hello, It sounds like your blend air door actuator has failed. I hope this helps. Roy