DEFINITION: The wheel and tire bounce onto and off of the road in direct relation to vehicle speed.

The tire and wheel are out of balance.

Balance the wheels. Refer to Tire and Wheel Balancing in Vibration Diagnosis and Correction.

The tire and wheel are out of round.

Replace the tire. Refer to Tire Description in Tires and Wheels.

There are blisters or bumps on the tire.

Replace the tire. Refer to Tire Description in Tires and Wheels.

The shock absorber is working improperly.

Replace the shock absorber.

The wheel or tire has excessive runout.

Refer to Tire and Wheel Vibration in Vibration Diagnosis and Correction.

The tire leads.

Use any of the following tables: