DEFINITION: Abnormal bounce or hop of the wheel under normal driving conditions.

Out-of-balance tire and wheel

Balance the wheels. Refer to Balancing Tires and Wheels in Vibration Diagnosis and Correction.

Out-of-round tire and wheel

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

Blister or bump on the tire

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

Improper shock absorber action

Replace the shock absorber. Refer to Shock Absorber Replacement in Front Suspension.

Excessive wheel and tire runout

Refer to Wheel Runout Measurement in Vibration Diagnosis and Correction.

Tire lead

Use any of the following tables: