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That's a classic Ford problem. I doubt it's an object, but perhaps dirt, leaves, or deteriorating foam surround door seals. Try and twist the fluted knob with the actuator off. If the blend door resists, you are going to have to isolate the restriction in travel. People have soaked the area with WD-40 or similar with some success, but I don't recommend ...


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It sounds like normal operation of the compressor for the a/c. It is run by a belt from the engine. It is normal for it to cycle on and off while the a/c is on or while the defrost is on. As long as it doesn't sound harsh or like it is switching off and on very frequently (every 3-5 seconds), then it is probably ok.



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