What happens when the AC compressor is disengaged?
What happens when the AC compressor is disengaged? When the AC compressor is disengaged, only the outside of the pulley will turn. When it’s engaged, the entire clutch assembly will turn, driving the compressor. Your compressor is designed to not engage at all when refrigerant pressures, or volume is too low. 2 How often should I Run my air conditioner compressor? If your car is not used often and/or is stored for much of its life, simply start the car and run your air conditioning (with the compressor engaged) for approximately 30 seconds. Doing this every couple weeks or so...