Car AC Compressor Replacement In Canberra
Car AC Compressor Replacement Cost
Generally speaking, an AC compressor replacement costs between $500-$1300 or even more, factoring in the different brands of air compressors and labor for various cars. First, to replace an AC compressor on a vehicle, ensure a professional depressurizes the system to avoid refrigerant exposure. Disconnect the negative battery terminal, remove the serpentine belt, and detach any electrical connections and refrigerant lines from the compressor. Unbolt the compressor from its mounting bracket and remove it from the engine bay. Install the new compressor, secure it with bolts, and reconnect the refrigerant lines and electrical connectors. Replace the serpentine belt and reconnect the battery. Finally, have the system recharged with refrigerant and tested for leaks by a professional.
What does an air compressor consist of
- Compression: The compressor takes in low-pressure, low-temperature refrigerant gas from the evaporator coil inside the car and compresses it, significantly increasing its temperature and pressure.
- Heat Exchange: The hot, high-pressure refrigerant gas then moves to the condenser coil at the front of the vehicle, usually near the radiator. Here, the gas releases heat and condenses into a high-pressure liquid.
- Expansion Valve: The now low-pressure, low-temperature refrigerant enters the evaporator coil inside the vehicle’s cabin. As warm air from the cabin passes over the cold evaporator coil, the refrigerant absorbs heat, cooling it down. The refrigerant evaporates into a gas again in the process.
- Evaporation: The high-pressure liquid refrigerant flows from the receiver-dryer through the expansion valve, allowing it to expand. This expansion reduces the pressure on the refrigerant to move into the evaporator. The valve senses pressure and regulates the refrigerant flow, allowing the system to operate steadily. Still, the moving parts of the valve can wear out and sometimes require replacement.
- Cycle Repeat: The cycle repeats continuously to maintain the desired temperature inside the vehicle.
In summary, the AC compressor is responsible for pressurizing and circulating the refrigerant throughout the air conditioning system. This allows it to absorb and release heat efficiently, thereby cooling the vehicle’s interior. It’s a critical component for maintaining comfort in hot weather conditions.
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