What Causes Steering Wheel Shaking When Speed Exceeds 100 km/h?

[VonEmily]

The reasons for steering wheel shaking when speed exceeds 100 km/h are as follows: 1. Poor tire dynamic balance: During driving, if a tire is subjected to strong local impact causing the balance weights to fall off or become defective, it will affect the tire's dynamic balance. 2. Significant differences in tire pressure among the four tires: When there is a large difference in tire pressure among the four tires, especially between the left and right tires, the car body will experience noticeable bumps and steering wheel shaking during high-speed driving. 3. Poor four-wheel alignment: When the four-wheel alignment angles deviate significantly, the car body will drift and shake during high-speed driving. When steering wheel shaking occurs at high speeds, the first step is to check and optimize the tire pressure, then perform a dynamic balance on all four tires, and finally conduct a four-wheel alignment. This will generally resolve the issue of steering wheel shaking during high-speed driving. If the problem persists, it is recommended to visit a 4S store for a thorough inspection of the chassis, braking system, and engine suspension system.

[Faunus]

I used to notice that the steering wheel shakes when driving on the highway, especially when the speed exceeds 100 km/h. This is mostly caused by unbalanced tires. Long-term wear causes the tires to lose their balance, and the uneven centrifugal force during high-speed rotation makes the steering wheel shake. Getting a tire dynamic balance can solve this issue, and it usually costs a bit of money at a repair shop. If the tire pressures are different, the pressure difference between the two sides can also cause shaking. Additionally, incorrect wheel alignment, such as loose or deformed suspension arms or misaligned wheel angles, becomes more noticeable at high speeds. Uneven brake discs can worsen the shaking when braking. Worn wheel hub bearings may produce abnormal noises along with shaking. If you encounter this problem, it’s recommended to first check the tire pressure and balance. If that doesn’t help, have a professional shop conduct a comprehensive diagnosis of the suspension and drivetrain to ensure driving safety.

[McRobert]

When the speed exceeds 100 km/h, the steering wheel starts to shake. From my personal experience with cars, there are several common reasons. The most likely cause is incorrect tire dynamic balance—wear and tear or lost balancing weights can lead to vibrations. Another reason is inconsistent tire pressure; uneven pressure on both sides can make the car unstable while driving. If the suspension shock absorbers are worn or damaged and can't absorb vibrations, the steering wheel may also wobble. Warped brake discs can cause more severe shaking when braking. Wheel hub issues, such as damaged bearings or loose fastening bolts, should also be checked. If you notice shaking, it's best to reduce speed and drive to a repair shop for inspection to avoid losing control at high speeds. Regular maintenance, focusing on tire and chassis conditions, along with periodic wheel alignment, can help prevent these issues.

[LeAlivia]

There are several reasons for steering wheel vibration at high speeds. The most common cause is unbalanced tires, which leads to shaking of the steering wheel above 100 km/h. Uneven tire pressure on both sides can also cause this. Worn suspension components such as shock absorbers or control arms can result in vibrations. Warped brake discs amplify the shaking sensation during braking. Damaged wheel hub bearings produce abnormal noises. It is recommended to first check the tire pressure. If that's not the issue, perform wheel balancing and alignment. If the problem persists, inspect the braking system and bearings. Proper maintenance can prevent vibrations and ensure safer driving.