GM Service Manual Online
For 1990-2009 cars only

Checks

Action

DEFINITION: Vehicle front wheel shimmy or shake while driving on a smooth road

Tire and wheel are out of balance

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

Tire and wheel are out of round

Check runout. Refer to Tire and Wheel Runout Specifications in Vibration Diagnosis and Correction.

Worn or loose wheel bearings

Adjust or replace the wheel bearings. Refer to Front Wheel Hub, Bearing, and Seal Replacement or Wheel Bearing Adjustment in Front Suspension.

Worn ball joints

Replace the ball joints.

    • For the upper ball joint, Refer to Upper Control Arm Ball Joint Replacement in Front Suspension.
    • For the lower ball joint, Refer to Lower Control Arm Ball Joint Replacement in Front Suspension.

Malfunctioning shock absorber

Check and replace the shock absorber. Refer to Shock Absorber Replacement in Front Suspension.