What Causes Steering Wheel Shaking at 110-120 km/h?

3 Answers
August
07/28/25 6:19am
Here are the reasons for steering wheel shaking: Wheel and rim require dynamic balancing: The most common cause is that the tires and rims need dynamic balancing, or the tires are aged and deformed, or the rims are deformed. Tire dynamic balancing can be performed based on the situation. During dynamic balancing, be sure to check the condition of the tires and rims, and replace any that are deformed. Improper engine air-fuel mixture matching: If the engine fault light is on or suddenly lights up, accompanied by body shaking, this is caused by improper engine air-fuel mixture matching. Common problem areas include spark plugs, ignition coils, fuel injectors, carbon deposits, fuel pumps, etc.
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DelIris
08/11/25 2:28pm
Last time when I was driving at 110 km/h on the highway, the steering wheel suddenly started shaking, which scared me so much that I broke out in a sweat. It only got better after I slowed down. Upon checking, it turned out to be a tire balancing issue—there was some mud buildup on the rims, and uneven tire wear caused an uneven weight distribution during high-speed rotation, transmitting vibrations directly to the steering wheel. The mechanic said that if not fixed promptly, it could accelerate suspension system damage, potentially lead to tire blowouts, and even increase fuel consumption. Now I’ve made it a habit to get a balance check every 5,000 kilometers or simply clean the rims before long trips. Safe driving isn’t something to take lightly—spending a little extra time on maintenance ensures stable and worry-free highway driving. Remember, small issues can lead to big consequences, and delaying repairs can double the repair costs later.
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BrookeLee
09/27/25 8:10am
Steering wheel vibration between 110-120 km/h is quite common, and I've studied this phenomenon. The key lies in uneven wheel rotation – factors like tire dynamic imbalance, bent rims, or debris adhesion can amplify vibrations through centrifugal force at high speeds. Warped brake rotor surfaces are another contributor, as friction-induced heat distortion becomes more pronounced during high-speed driving. I've also observed that inconsistent tire pressure in some vehicles can cause similar shaking. Don't wait for it to worsen, as delayed steering response significantly increases danger. Regular shop inspections are recommended, and manually cleaning rim contaminants can prevent issues for smoother driving.
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