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why does ac run all the time

  1. Mustang 101 - Tech Basics | Ask an Expert
    My 2016 GT AC compressor has been making progressively more noise. When I turn off the heating/cooling panel power in the car, the AC compressor clutch turns off and the noise stops-I can see it stop spinning. Ok, so my AC compressor is dying. But my question for the group is why when it is...