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.
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/shock absorber.

• | Refer to Strut, Strut Component, and Spring Replacement in Front Suspension.

• | Refer to Shock Absorber Replacement in Rear Suspension

Excessive wheel or tire runout | Refer to Tire and Wheel Vibration in Vibration Diagnosis.
Tire lead/pull | Refer to Radial Tire Lead/Pull Correction in Tires and Wheels.