How To Fix Vent Only Blowing On Floor

But air only blows out in the defrost mode and the vent position.

How to fix vent only blowing on floor.

This door is controlled by a thumb wheel that when activated will open and close the vent air. Is this an easy fix. Air blows out from the floor vents great. Any one know what i need to do to fix this problem.

It s diverting to defrost because of no vacuum which is the main problem. Check out the article on our blog for more information. Easy step by step guide one how to troubleshoot and repair vent low air flow this article pertains to most vehicles. 2002 ford f150 supercrew 4x4 a c only blows on vent and floor defrost.

It blows out the floor vent and the defroster vent but it won t change and blow out the dash vent. Hardly any out of the front upper vents and or defrost vents. Im sure theres a door or damper that controls that but i dont know where it is. 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.

The air won t blow out the dash vents. Step 1 most air control vents are equipped with a flow control door that is located at the vent outlet. Yes i have a 2003 f 150 supercrew and the a c work and the heater works. 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.