What Causes a Car to Bounce on Smooth Roads?

1 Answers
NicoleDella
07/30/25 3:51am
Reasons why a car bounces on smooth roads: 1. Incorrect wheel alignment: Wheel alignment refers to the toe angle, camber angle, as well as the caster angle and kingpin inclination angle of the wheels. When these angles change, the tire contact patch and the vehicle's thrust line may be altered; 2. Shock absorber failure: Leaking shocks result in the inability of the shock absorber to control the spring, causing the spring to oscillate several times before stabilizing when encountering bumps; 3. Suspension failure: Vehicles that have been used for a certain period are more prone to suspension aging, leading to a bumpy ride; 4. Frame deformation, front axle displacement, negative toe-in, loose vertical arms, uneven front leaf spring stiffness, and loose tie rod ball joints.
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