2003 Chevrolet TrailBlazer "vent defrost floor" Questions

...defrost. the sound comes in at vent to floor option and further on. The problem only exists when the rear heater/ac power knob is turned to level 1, 2, or 3. If I am reading correctly you are hearing ...

...defrost and floor vents.nothing blows from the front vents. Look for vacuum leaks. System is designed to fail in defrost mode. so.... vac hose off, for example, would cause an issue like you

...defrost vents but not air vents Vacuum hose for air vents is not connected. These black hoses should be accessable by feeling under the dashboard. The hose just slides onto the air vent intake. Hope ...

...defrost/floor position. The only way to fix that would be to replace the actuator. I would like to know what type of heating and air conditioning controls you have (manual or automatic) before i say ...

...defrost and floor vents only. I have tried to recalibrate the actuators by removing the HVAC fuses with no luck. I am no torn between should I replace the the actuators or digital climate control ...

...floor setting. Cannot get controls to switch to front vents or defrost. Most cars have dampers/diverters that are cable or electric actuated. Older cars may be vacuum operated. Not sure what actuates ...

AIR NOT COMING OUT VENTS NO AIR COMING OUT THE VENTS WHEN AC IS ON........AIR ONLY COMES OUT THE BOTTOM OR THE DEFROSTER WHEN PUT AT DOES LEVELS remove the selector where you choose floor or dash and ...

...defrost. Heat / AC supplied to the back seat doesn't work very well either. I need the vents to work, winter in Wisconsin are cold, heating just the feet and not the rest is not what I and the ...

...acuator that works the defrost position and a mode door that works floor/vent operation. the defrost moves and diverts airflow up defrost vwents this is why you can still have defrost and

...defrost 04 trailblazer Sounds like your selector switch is messed up to select where you want the flow of air to go. When you turn the switch to where you want the air to go does it work on floor and ...