2002 GMC Envoy "defog vent blowing air" Questions

...vacuum is removed, the system defaults to the defrost postion to make sure the windshield can be

...defog area by windsheld but nothing from the vents anymore. This happened as soon as i put the freeon in it, any ideas? Sounds to me either you accidently disconnected a vacuum line (controls the ...

vent only blow out hot air The AC went out last winter. It started when I accelerated it seemed to cut out ( like on any dodge vehicle, when you accelerate to pass or are going up hill the ac cuts out

air only blows from the defoger vent how do i fix it I have the same problem on my 2006. They say it is the blend door actuator, located above and to the right of gas pedel. I googled and watched this

...defog. How do I fix it because right now it frosts over and I cannot drive sounds like the mode switch has gone bad and needs replacing.the mode switch is the one that changes the direction of air ...

air only comes out of the vents no matter what it is set for window defog floor vents nothing only blows through the vents checked all fuses and relays nothing... Is it the entire climate control unit

...vent, etc, etc and the defrost still runs, blowing out warm air. The only time it shuts off is when I shut the van off. Could this be a hose that came loose or something? Will it blow warm when you ...

air that's coming out of the vents gets warm, it will defog the windows. It just takes time. Some cars take longer than others. I have an '86 Ford F150. It blows hot air the minute you crank it up and

...defog vent ive had three of these trucks more than likely control pannel is bad an early 96 dashes were the worst one mined sucked to check vacuumm under hood is stiil hooked up and comming thew fire ...

...defog and cold air blows when temp cranked high 1-5 4 dr SE warmth comes from the heater in the car if it is climate control check the climate control module check for heater control in the vent ...