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Why would the ac and heater blow air through the defroster or the dashboard vents but not through the floor vents.?
It should blow through the floor vents. Modern vehicles generally use movable baffles in there HVAC systems, to direct air flow where the controls indicate. If the controls allow airflow to the floor, but nothing flows out, there is a malfunction between the control switch and the actuator that directs the flow.
What would cause heat not to come out of vents when set to floor and vents?
There are heater doors on the heat blower box that direct the path of the heat. Apparently the heater door to the floor vents is stuck closed.
Why would the vents not work but the def and floor air will?
vaccum losss
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 Heater vents are usually placed near the floor?
Warm(er) air rises - if vents were high up there would be little circulation without fans.
In order to heat a room should heating vents be placed near the floor or near the ceiling of the room?
Heating vents should be located near the floor since hot air rises. If the heating vents are located near the ceiling the heat would stay there and not warm the room.
Why would your air conditioner blow out of the defrost vents ON 2000 F-350?
You probably have a jammed or otherwise defective vent door.
What would cause my air only to blow out of the floor vents and not the panel vents in a 1995 Camaro?
The most likely cause would be a vacuum leak at the rear of the engine or a defective selector switch.
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.
Where can one purchase inexpensive floor vents?
Inexpensive floor vents are easy to find and buy. Depending on the material, the price can vary. Buying direct from the maker would be the cheapest way so as to avoid overhead costs and price mark-ups.
Why would a 1999 Dodge 2500 Diesel have little to no cab heat when the fan is moving lots of air through defroster vents and floor vents?
Low coolant level? Thermostat opening too soon? Plugged or restricted heater core? Water pump not circulating coolant? System airbound?
Why should heating vents be placed on the floor?
Heating vents should be placed on or near the floor because heat rises. In rising, it will warm the air of the room. If the heating vent were near the ceiling, the room would stay chilly, even though heat was being poured into it.
