GM Service Manual Online
For 1990-2009 cars only

Problem

Action

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.

    • For RWD, refer to Shock Absorber Replacement in Front Suspension.
    • For F4WD, refer to Shock Absorber Replacement in Front Suspension.

The wheel or tire has excessive runout

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

The tire leads.

Use any of the following tables:

    • Refer to Vehicle Leads/Pulls .
    • Refer to Vehicle Leads/Pulls .
    • Refer to Radial Tire Lead/Pull Correction in Tires and Wheels.