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

Out-of-balance tire and wheel

Balance the tires. Refer to Balancing Tires and Wheels in Vibration Diagnosis and Correction.

Out-of-round tire and wheel

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

Worn or loose hub and wheel bearings

Replace hub and wheel bearing assembly. Refer to Front Wheel Hub, Bearing, and Seal 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.