It typically cycles on and off many times during the course of daily driving, and it is filled with components that can fail over time. As we said, the AC compressor has the tough job of compressing and circulating the air conditioning refrigerant. When your vehicle is making strange noises, it is never a good sign, and that is certainly the case when it comes to air conditioning. The cooler, drier air is then sent out the vents into the interior of your car via a fan. There the cold refrigerant cools the air that passes by and through the evaporator, which resembles a small radiator. From there, the refrigerant goes to an expansion valve or "orifice tube," where it returns to its gaseous state.Īn accumulator removes moisture from the refrigerant, and it is then transferred to the evaporator in the cabin of your vehicle, usually under the dash.
The compressor also compresses the refrigerant from a gaseous state to a fluid state, sending it to the condenser that acts as a "heat-exchanger" removing the heat from the refrigerant. In essence, the AC compressor performs for the system the same function that your heart does in your body - it provides the circulation of a precious fluid, the refrigerant, through the air conditioning system. You might look at the air conditioning compressor as the heart of the air conditioning system in your car. The following hints will help you to recognize a problem. While sometimes A/C simply stops working, most often the failure comes little by little and is accompanied by signs that something is going south. The good news about that bad news is you almost always get clues that your air conditioning is about to fail. Because of that, you should always be on the lookout for signs that your car air conditioning compressor is bad.
The prospect of losing that, starting to perspire, and having to roll down the windows is almost too dire to contemplate. Let's face it, we have become used to mechanically cooled air whenever we want it. And the heart of the air conditioning system, the AC compressor, is long-lived and hearty.īut when your air conditioning does fail, it can be a painful experience.
Though it is often in use every day, a modern air conditioning system just keeps humming along providing cool air when you need it. Vehicle air conditioning is typically one of a car's most durable systems.
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