A car AC system is essentially a refrigerator. Its job is to supply the cabin with cool air and remove the hot air when you flip the AC switch inside your vehicle. Main components of the AC system include the AC compressor, AC evaporator, AC condenser, AC belt and AC clutch.
AC Compressor
AC compressors are the main component of the automobile air conditioning system. It is often belt driven by an AC belt that is powered by the engine. The
AC Compressor pumps Freon throughout the AC system. Freon is a liquid and gas combination that is compressed and circulated though the auto air conditioning system. The Freon is under pressure and pushed through an AC hose and then makes its way through an AC expansion valve. The AC expansion valve makes the gas expand and contract. As the Freon goes though the process of expansion and contraction, the gas becomes very cold.
AC Evaporator
The
AC evaporators core is like a cold radiator which allows cold to dissipate. After the gas has become cold from passing through an AC expansion valve, the gas then travels through metal lines to the AC evaporator core. The cold gas flowing into the
AC evaporator makes it cold and then a fan blows air across it. After being filtered through an AC filter, the air then flows out of the vents and into the cabin of the vehicle.
AC Condenser
The auto air conditioning system is also responsible for removing heat from the cabin of the vehicle.
AC condensers are responsible for dissipating this heat. It is usually located in front of the radiator. AC condensers need good air flow in order for the AC system to work properly. Hot gas flows to the top of the AC condenser where the gas cools off. It then condenses and flows out of the
AC condenser as a high pressure liquid.
AC Clutch
AC clutches mount to the front of the AC compressor. It engages electrically and locks the clutch to the compressor when it receives a signal from the AC system. When the
AC clutch is engaged, the AC belt driven by the engine will begin to power the AC compressor.
Common AC Compressor Components
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