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How to Identify Differential Noise?

1 Answers

MacHaven

07/30/25 3:30am

Methods to identify differential noise: 1. The noise from differential bearings is usually a constant high-pitched sound, but its rhythm is much milder compared to the noise from the reducer's conical drive gear bearings; 2. Identifying rear axle gear noise: During normal straight-line driving, since there is almost no relative movement between the differential's side gears and planetary gears, no noise is heard. The car differential is a mechanism that allows the left and right (or front and rear) drive wheels to rotate at different speeds. It mainly consists of left and right side gears, two planetary gears, and a gear carrier. Its function is to enable the left and right wheels to roll at different speeds when the car is turning or driving on uneven roads, ensuring that both drive wheels perform pure rolling motion.

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