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Air comes out of the dash vents only because the vehicle's climate control system is set to direct airflow to those vents. This is typically controlled by the vehicle's HVAC (heating, ventilation, and air conditioning) settings, which can be adjusted to redirect airflow to different areas, such as floor vents or defrosters. If air is consistently only coming from the dash vents, it may indicate that the system is locked in that mode or there could be a malfunction in the airflow control mechanisms.
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Why do you get hot air at floor and defroster vents but only cold air at the dash vents vents in a 1995 chevyvan 20?
the middle vents only supply air from the ac unit using a separate in dash fan. the floor and defrost vents come only from the heater
Why would a 2002 Taurus only blow air out of the dash vents and is there a way to fix it without taking off the dash?
well when mine did it was a vacum line but the dash did have to come off
Why would air only blow out the floor vents and the two outside dash vents not out the center dash vents?
The flap that directs sir to the selected vents is jammed or broken...or the switch that controls it is.
Why would air only blow out the floor vents and the two outside dash vents not out the center dash vents or the defroster no matter what setting the Heat and air controls are on in a 2003 Ford Taurus?
some thing is probley cloging the vents take it appart and ckeck.
Why won't air come through the vents?
Does air come out at defrost vents? Defrost is the default position. Check for a vacuum leak either under the hood or under the dash Check the operation of the vacuum actuated motors under the dash Check the operation of the selector switch
What would cause heat and steam to come from air vents and cause bubbling sound in dash after replacing a water pump?
Heat and steam coming from the dash and air vents after replacing the water pump means that a hose is hooked up backwards in the new installation. The heater is actually taking on water when it is supposed to only take on hot air.
What does the icons mean on the dash?
Fuel level, heat or air conditioning up, both high and low, high only, floor only. Center vents are for air conditioning output only, no heat. Heat is designed to blow out side and floor vents only. NOT center. Center is only for air conditioning or summer vents.
On a 1995 Gmc sierra truck why does the air conditioning vents on dash work in every mode except cold air cold air will only blow out from floor vents?
The a/c - heater controller is out...........
Why would air not come out of some vents on a 99 Monte Carlo.?
I just had that problem with my 99 Monte Carlo. When I accelerated or went uphill No air would come out of the dash vents. Problem was a Vacuum hose. Cost about $40 to fix.
Why would cold air come from the vents in the dash when the AC is turned on?
Hey Brad==That is where it is suppoaed to come from. Incidentally, what kind of car do you have?? Goodluck, Joe
Why does air blow through vents on the dash but not through the defrost vents on top when you switch the control?
When you switch the control to direct air through the dash vents, the HVAC system redirects airflow away from the defrost vents. The system uses a series of blend doors to control airflow direction, and if the defrost setting is not activated, those doors remain closed, preventing air from flowing through the defrost vents. Therefore, air is channeled exclusively to the dash vents instead.
Why can't you get any air to come out of the vents up by the windshield for the defrost?
Check your ductwork under the dash it sounds like it has come loose not a big deal to do.
