Genuine Mazda Protege A/C Compressor

The Mazda Protege A/C Compressor maintains the temperature levels of the cabin by pressurizing refrigerant to be able to heat up and give up heat to be cooled as vapor that the coil converts to cool air to keep the air flowing consistently. The compressor is effectively the same part in every Mazda manufactured in the 1990s and early 2000s, though all it does is to draw the low-pressure gas from the evaporator and squeeze it into a high-pressure and high-temperature condition through the compressor, and then direct the hot stream through the condenser where it is cooled by outside air. Once refrigerant cools down and the pressure decreases, it returns to the evaporator, recaptures cabin heat, and the process repeats itself in a few seconds. The majority of Mazda vehicles since 1994 use the more environmentally friendly R134a refrigerant; older systems applied R12, and therefore owners must ensure the type of fluid applied before changing parts. There are two main types of A/C Compressor in the Protege line, an older fixed-displacement type which always has the same output when the clutch is switched on, and a more modern variable-displacement type which automatically reduces the flow to meet cooling requirements, relieving the workload on the engine, and improving fuel economy. Though all A/C Compressor units have common mounting points and common wiring in the clutch, the internal control valve in the variable unit makes it unique, and both oil and refrigerant designed to operate it should be applied to prevent damage. Oiling the A/C Compressor and ensuring it does not leak maintains the blower operation and saves the Mazda air conditioning system expensive repair bills.

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