For 1990-2009 cars

Condition | Correction
--- | ---
DEFINITION: The tire/wheel bounce with a frequency directly related to vehicle speed.
Tire/wheels are unbalanced | Balance the tire/wheels. Refer to Tire and Wheel Balancing in Vibration Diagnosis and Correction.
Tire exhibits a blister or bump | Replace the tire. Refer to Tire Mounting and Dismounting in Tires and Wheels.
Improper strut/shock absorber action | Replace the strut. Refer to Strut Assembly Replacement in Front Suspension.
Excessive wheel or tire runout | Refer to Tire and Wheel Runout Specifications in Vibration Diagnosis and Correction.