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I have an 06 F-150, there is lots of heat but it only blows on defrost. Is this the blend door motor or is it something else? I have had different people tell me what they think it is, what do you guys say.
I am pretty sure that 04 was the start of the electronic control, I have been told it may be a mode control motor, blend door motor or a chunk of foam jammed in place.
Just had this issue on mine last fall. It's blend door actuator. Mine was blowing the vent only, didn't notice it when I bought last summer because it's norm to have A/C blowing on vent.
Defrost Only.
