An automotive suspension system support the frame and body of the vehicle, attaching then to the wheels. Its main purpose is to absorb road shocks causes by irregularity in the road surface in order to reduce the bumps transmitted to the occupants. The systems also improves safety and road handling abilities by maintaining better contact between the wheels and the road.
Most modern motor vehicles have separate springs at each wheel, with support arranged in several ways. There is a shock absorber at each wheel to help smooth out spring action. Different arrangement are often used for the suspension at the front and rear of the vehicle, because the front wheels must pivot from side to side for steering as well as up and down to absorb road shocks. Some cars use a torsion bar, which is a special type of a spring. Stabilizer are sometime used to prevent excessive lean out on turns.
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