2003 Pontiac Aztek "air comes defroster vent" Questions

...air that comes out decreases when the temperature dial is turned from cold to hot. Pulled the lower dash apart. It appears the controls are moving when I change the temp as well as the position for ...

air conditioning comes on. The dash vents will blow ambient air, but defrost setting blows air con. Any ideas? It's normal for the A/C compressor to come on with the defroster to dehumidify the air so

Air would only blow out of defrost vents after I replaced my battery. But this worked for me: 1) Unplug HVAC fuse for 10-30 seconds 2) Start truck 3) A/C comes out defrost - wait about 10 to 15 secs 4

...through the defrost vent. The hot air coming out of the defrost vent is because the heater core has warm coolant going through it- and the user generally has warm selected on the temperature

...AIR ONLY COMES FROM THE DEFROST VENT. A/C SYSTEM AND VENT AND HEAT ALL WORK WELL JUST BLOW FROM THE DEFROST VENT. CAN'T CHANGE TO THE DASH VENT OR FLOOR VENTS. Sounds like you have a supply vacuum ...

air conditioner and heater work fine but defrost doesn't blow out vents it comes through the other vents how can I fix this problem? Check to see if the duct hose to the defroster vents has come loose

air only comes out defrost in all settings Recently my EXT has had a problem with air flow direction. I want the air to come out of the dash vents but placing the climate control in that mode the air ...

...head unit that selects where the air comes out ie. Face, floor, defrost, or hi-level face and floor. If that's not working then it will not let you switch location that you want the air to come

...defroster and floor but not main dash vents The dash vents are open and cold air comes out the defroster and floor and rear vents but very little comes from the dash vents. Check for vacuum hose

2004 2500 hd 6.0 air is coming out of the defrost vents There will be some air coming out of the defrost vents at all times, with everything working correctly. However, I presume that most of the air ...