For Mitsubishi Savrin Compressor 10PA17C Automotive Air Conditioning Compressor WXMS041

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Working Principle

The basic working principle of the automobile air conditioning compressor is to suck low-pressure cold gas (usually refrigerant) into the compressor cavity through the driving device, and then compress it into high-pressure and high-temperature gas.

Compressors usually use piston or screw compressors. In a piston compressor, the piston moves up and down in the cavity, and the cold gas is compressed by the movement of the piston. In a screw compressor, the screw compresses the cold gas. The compression process of the compressor increases the pressure and temperature of the cold gas.

The high-pressure and high-temperature gas will then enter the condenser and be converted into high-pressure hot gas through heat dissipation, then cool and expand through the expansion valve, and finally enter the evaporator to prepare for circulation again. Throughout the process, the compressor provides compression and conversion capabilities and is one of the key components to realize the automotive air conditioning refrigeration cycle.

warning sign

• The Compressor Isn't Activating: If your car's AC system is not producing cold air when it is turned on, the compressor may be the issue. To check if power is reaching the compressor, use a multi-meter. If no power is reaching the compressor, it is recommended to take your car to a mechanic or an auto electrician for further diagnosis and repair.

• Warm Air Instead of Cold Air: Another common indication of a failing AC compressor is when the air conditioner starts blowing warm air instead of cold air. This could be due to a refrigerant leak or insufficient refrigerant gas levels. In some cases, replacing the entire AC system may be necessary to resolve this problem.

• Loud Noises Emanating from the Compressor: A failing AC compressor may produce loud noises, a clear sign of its deteriorating condition. These noises could be a result of a faulty clutch or worn-out bearings. They are often described as grinding sounds coming from under the hood when the AC system is activated.

• Oil Leak Under the Vehicle: An AC compressor in poor condition can lead to oil leaks. This occurs due to excessive heat and pressure within the engine bay, leading to worn-out compressor seals over time. If you notice any liquid leaking underneath your car, it is essential to have it inspected promptly to prevent further damage.