How to Determine Differential Damage?
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Differential damage manifests as jerking or impact sensations during startup or acceleration/deceleration; below is additional information: Other methods to determine differential damage: Unusual noises from the differential; significant resistance when turning, severe cases may prevent vehicle startup. Structure and function of the differential: The automotive differential is a mechanism that allows the left and right (or front and rear) drive wheels to rotate at different speeds. The differential mainly consists of left and right axle 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 surfaces, ensuring that both drive wheels perform pure rolling. The differential is installed to adjust the speed difference between the left and right wheels. In four-wheel drive systems, to drive all four wheels, they must be interconnected. If all four wheels are mechanically connected, the car cannot rotate at the same speed during curved driving. To allow the car to rotate at roughly the same speed during curved driving, a center differential is added to adjust the speed difference between the front and rear wheels.