Will a Broken Car Compressor Affect the Vehicle?

1 Answers
DiJoseph
07/30/25 5:35am
If the car's air conditioning compressor is broken, it may produce abnormal noises, lead to insufficient power generation from the alternator, cause excessively high pressure in the air conditioning system, or result in excessive engine load. Additionally, the air conditioning system may stop working, or the compressor's lubrication may be poor. It is recommended to directly visit a 4S shop for inspection and repair. Below is additional information: 1. Classification of compressors: The car air conditioning compressor is the heart of the car's air conditioning refrigeration system, responsible for compressing and transporting refrigerant vapor. According to different working principles, air conditioning compressors can be divided into fixed displacement compressors and variable displacement compressors. Based on different working methods, compressors can generally be classified into reciprocating and rotary types. Common reciprocating compressors include crankshaft connecting rod and axial piston types, while common rotary compressors include rotary vane and scroll types. 2. Fixed displacement compressor: The displacement of a fixed displacement compressor increases proportionally with the engine's speed and cannot automatically adjust power output based on cooling demands. It also has a significant impact on engine fuel consumption. Control is typically achieved by collecting temperature signals from the evaporator outlet. When the temperature reaches the set level, the compressor's electromagnetic clutch disengages, and the compressor stops working. 3. Variable displacement compressor: A variable displacement compressor can automatically adjust power output based on the set temperature. The air conditioning control system does not collect temperature signals from the evaporator outlet but instead controls the compressor's compression ratio based on pressure changes within the air conditioning pipeline to automatically regulate the outlet temperature. Throughout the entire cooling process, the compressor remains operational, and the cooling intensity is entirely regulated by a pressure control valve installed inside the compressor.
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