What Causes Severe Body Swaying?
1 Answers
Body swaying is caused by issues in the chassis system. Wheel imbalance, loose suspension components, excessive steering gear clearance, and other factors can lead to vehicle swaying during driving. Additionally, some automakers, due to outdated chassis technology and insufficient design and tuning of the suspension system, may result in inherent body swaying issues during driving. Below are solutions for body shaking caused by chassis system faults: 1. Wheel Imbalance: Wheel imbalance is a common issue in many vehicles. During manufacturing, tires and rims cannot guarantee uniform quality, so wheels must undergo dynamic balancing after assembly. Moreover, as tires wear over time, periodic dynamic balancing is necessary. Most manufacturers recommend performing dynamic balancing every 40,000 kilometers. The standard for dynamic balancing is that the imbalance on both the inner and outer sides should be less than or equal to 5 grams, ensuring the wheels do not wobble at high speeds. 2. Loose Suspension Framework: The chassis suspension consists of various links and support arms, which are connected via ball joints and rubber bushings. Normally, these components are tightly connected, but as ball joints and bushings wear out, the connections loosen, causing suspension slack and resulting in body swaying. 3. Excessive Steering Gear Clearance: The vehicle's steering system converts the rotational motion of the steering wheel into wheel movement via a rack-and-pinion mechanism. Over time, wear between the gear and rack creates clearance, causing slight left-right wheel movement even without steering input, leading to a sensation of body swaying.
