Corolla

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The job of the AC system in your Toyota vehicle is simple: to cool the cabin during a drive. Four parts do it: a compressor, a condenser, an expansion valve, and an evaporator. How they work together is just as straightforward... Read More

The AC compressor, for example, pressurizes refrigerant, turning it into a hot gas. The AC condenser then cools the gas, turning it back into a liquid. That fluid then goes through the expansion valve. As it does, it becomes a gas o