How To Fix Vent Only Blowing On Floor

Air also only blows on high setting not at all on any other setting that i can tell.

How to fix vent only blowing on floor.

Air blows out from the floor vents great. Is this an easy fix. The air won t blow out the dash vents. This door is controlled by a thumb wheel that when activated will open and close the vent air.

Step 1 most air control vents are equipped with a flow control door that is located at the vent outlet. Hardly any out of the front upper vents and or defrost vents. But air only blows out in the defrost mode and the vent position. 2002 ford f150 supercrew 4x4 a c only blows on vent and floor defrost.

On the other hand if you experience weak airflow in multiple vents the problem may be blower issues air duct problems small or blocked return vents a dirty air filter or a frozen evaporator coil. In case only one vent shows the problem you may be having a problem with a disconnected or leaky duct a crushed duct flex or a closed damper. Yes i have a 2003 f 150 supercrew and the a c work and the heater works. Im sure theres a door or damper that controls that but i dont know where it is.

It s diverting to defrost because of no vacuum which is the main problem. It blows out the floor vent and the defroster vent but it won t change and blow out the dash vent. Will not blow on defrost or floor seperately. Check out the article on our blog for more information.