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 Measurement in Vibration Diagnosis and Correction.

Worn or loose wheel bearings

Adjust the wheel bearings. Refer to Wheel Bearing Adjustment in Front Suspension.

Worn or loose king pin or king pin bearing

Replace the worn parts or adjust the king pin bearing. Refer to Steering Knuckle Replacement in Front Suspension.

Worn ball joints

Replace the ball joints.

Malfunctioning shock absorber

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