What Causes Transmission Noise When the Air Conditioner is On?

1 Answers
VonGabriella
07/29/25 9:18am
The causes of transmission noise when the air conditioner is on are as follows: 1. Wear and damage of bearings: When bearings wear out, their clearance increases, and their fitting accuracy decreases; when bearings are damaged, they cannot operate normally, resulting in abnormal noise and even damage to transmission components, leading to further faults. 2. Insufficient lubrication or excessively high viscosity of lubricating oil causing poor lubrication: In this case, the corresponding lubricating oil (grease) should be replaced; otherwise, it will accelerate the wear of the transmission and shorten its service life. 3. Wear of transmission components: Using replacement parts with excessively low precision can also cause noise, such as gear wear or excessive clearance between new gears and original gears.
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