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Ford f150 blend door actuator fuse location.
Blend door actuator and related components.
Disconnect the electrical connection at the blend door actuator 10 in pic below.
If you have dual temperature control ac there is another actuator on the bottom of the case.
The temperature blend door actuator which is located behind the radio on top of the evaporator case.
If the heater gets stuck on the hottest setting the heater blend door may be broken requiring replacement of the heater box to repair the issue.
For the last 20 or 30 years in these trucks they have been prone to failure.
Heres a step by step how to video on a temperature blend door motor actuator video for you 2004 2010 ford f150.
Very common for that part to fail on your tru.
A failed heater blend door or actuator can cause the temperature control for the hvac system to stop working.
A ford f 150 s blend door is the device that controls how much heat or ac comes through the hvac system.
Remove the blend door actuator as an assembly with the actuator cam.
I love my truck but i wish ford had fixed this problem by now.
A clicking sound from the dash area would commonly indicate an actuator fault.