Widshield defrost stopped blowing air
Sounds like the mode door actuator. not moving to defrost. maybe if you try to see if their is a reset procedure for the control head you might can get it working. usually you unplug it and go through all of the settings.
SOURCE: My stopped blowing through the front dash vents.
This is a common problem on cars 10 or more years old. The first thing i would look for is to see if i could hear the blend door opening and closing. Do this by turning on the air and moving the vent controls back and forth with your ear close to the front vent. If you do not hear anything moving, more than likely you will have a blend door issue or an actuator issue. But there is noway to be absolutely certain without taking the dash apart to get at the blend door.
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