Similarly, if high-performance tires have been mounted with lead balancing beads rather than traditional weights, the adhesive properties of the heat-generating braking force can cause those beads to clump momentarily. A steering wheel vibration isolated to high-speed braking is often a harmonic resonance caused by a rotating component that is out of balance.
Loose Wheel Hub Bearing Steering Vibration Braking
Mechanics must check the hub surface for any scoring or unevenness where the rotor sits. If this runout exceeds the threshold, usually around 0.
The hub must be measured for runout with a dial indicator, and the suspension components need to be checked for any play or damage that compromises the geometry during loading. Severely under-inflated tires can develop excessive sidewall flex during hard braking, which can create a waving action that translates into steering vibration.
Loose Wheel Hub Bearing Steering Vibration Braking
Addressing this problem promptly is critical not only for comfort but for maintaining the safety dynamics your vehicle was designed to deliver. Unlike low-speed shuddering, which points to warped rotors, this specific scenario suggests that the energy generated by the brake force is exciting a frequency in the steering column or hub assembly.
More About Steering wheel vibration when braking at high speed
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