Nissan Repair Questions? Ask a Mechanic for Answers ASAP
Look at the cable housing up under the dash If it's come out of the clip then the housing will move and not the cable. If the housing is still clipped like it should be, then the control head with the dial on it has to be replaced.
Since you can adjust it with your hand, we know that the blend door itself is fine. This is a good thing because you don't have to remove the heater box.
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