I have determined it is the mode door actuator.
2012 f150 defrost door motor stuck un floor defrost.
The gear was broken and the shaft was tuning in the gear instead of moving the hub.
It only comes out of the defrost and floor vents.
Motor replace door actuator mode 10 2 hrs recirculation 0 9hrs temperature blend right 7 9hrs left 0 9hrs defrost b0 0 10 2 floor b0 0 10 2.
I have no air from the panel vents.
2003 f 150 lariat super cab 4 x 4 5 4l looking for what appears to be a vacuum leak yet the engine performance does not seem to be affected.
I won t change off defrost floor setting i replaced the blend door actuator and did not seem to help it my car has 56000 miles.
99 georgeboymotorhome onford ch ac stuck on defrost vents.
My 2006 ford f250 has a condition where the air flow from the heater ac blower motor is locked in at only coming out of the defroster vents.
A climate control system can stop working after a battery replacement as the control prompt of the system is lost and needs to be rebooted by removing the defroster heater fuse for a period of time and then reinserted.
Guess the door was slightly slightly stuck since the defrost is used only on cold months.
09 hvac vent selector stuck on defrost and floor only.
I have a 2007 f150 fx4 which has a problem with the venting it seems to be stuck on dash vents.
02 08 2019 by david gomez i have the same problem and actually there are 3 of those things.
When you switch to floor and defrost a small amount of air flows through them but most of air flow is s read more.
I have the new part which includes a motor a bracket and cam type hub assembly that operates the levers for 3 different doors at the same time.
This is a video about replacing the actuator that controls the defrost floor vents and not the hot cold blend actuator or the driver passenger ac actuator fo.
Temperature is ok the a c and heat both work and the blower responds at all 4 levels.
You need to see if the mode door actuator is.
My car has an automatic transmission.