What Causes Abnormal Noise in Car Air Conditioning Compressor While Still Cooling?

1 Answers
FaithLee
07/30/25 2:14am
Abnormal noise from the compressor is caused by internal faults. Here is an introduction to the compressor: 1. Introduction one: The compressor electromagnetic clutch is a common source of abnormal noise. The compressor often operates under high load, shifting from low to high speeds, which places high demands on the electromagnetic clutch. Additionally, the electromagnetic clutch is usually installed close to the ground and frequently exposed to rain and mud. When the bearing inside the electromagnetic clutch is damaged, it produces abnormal noise. 2. Introduction two: Repeated engagement of the electromagnetic clutch can also cause abnormal noise in the compressor. For example, insufficient power generation from the alternator, excessive pressure in the air conditioning system, or excessive engine load can all lead to repeated engagement of the electromagnetic clutch.
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