What is the function of the rear anti-roll bar?

1 Answers
StCarson
07/30/25 8:11am
The function of the rear anti-roll bar is to prevent excessive body roll when the car is turning. Definition of anti-roll bar: The anti-roll bar is a U-shaped torsion bar spring made of spring steel, which is transversely installed on the front or rear axle of the car. Both ends are connected to the suspension through links, and the middle part of the bar is connected to the subframe through bushings. Function of the rear anti-roll bar: When the vehicle is turning, the suspension on the inside of the curve is stretched, and the suspension on the outside is compressed. At this time, the anti-roll bar acts as an anti-torsion device to reduce the stretching and compression amplitude, thereby controlling the vehicle's roll amplitude. The suspension of the inner wheel extends, and the suspension of the outer wheel is compressed. At this time, the anti-roll bar will twist to suppress this situation. An anti-roll bar that is too soft will cause excessive camber angle when turning in a car with independent suspension, reducing the tire's contact area and affecting handling.
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