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What Causes Abnormal Noise in Car Compressors?

1 Answers

DelEmiliano

07/29/25 7:28pm

Here are the specific reasons for abnormal noise in car compressors: 1. Electromagnetic clutch contamination: Due to the proximity of the electromagnetic clutch to the ground, long-term driving can cause the clutch to accumulate dirt or mud, leading to internal bearing damage and resulting in abnormal noise. 2. Loose drive belt: The car air conditioning compressor has high operational requirements for the electromagnetic clutch. A loose drive belt increases the load on the electromagnetic clutch, making it prone to damage and, in severe cases, can cause the compressor to burn out. 3. Repeated engagement of the electromagnetic clutch: Frequent engagement of the electromagnetic clutch can lead to insufficient power generation by the alternator, causing inadequate working voltage for the compressor and resulting in abnormal noise. 4. Lack of lubricating oil: Insufficient lubricating oil inside the compressor. After prolonged use, the compressor should be appropriately lubricated to avoid noise or failure caused by friction.

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