DEFINITION: The tire/wheel bounce with a frequency directly related to vehicle speed.

Tire/wheels are unbalanced

Tire and Wheel Balancing in Vibration Diagnosis

Tire exhibits a blister or bump

Tire Mounting and Dismounting in Tires and Wheels

Improper strut/shock absorber action

Replace the strut/shock absorber.

Excessive wheel or tire runout

Tire and Wheel Vibration in Vibration Diagnosis

Tire lead/pull

Radial Tire Lead/Pull Correction in Tires and Wheels