Check for mismatched or uneven tires.

Replace the tires.

Check for lack of lubrication of the ball joints and the tie rod ends.

Replace the ball joints and the outer tie rods.

Check for worn strut dampeners.

Replace the strut dampeners.

Check for a loose stabilizer shaft link.

Tighten the stabilizer shaft link.

Check for a broken or a sagging spring.

Replace the spring.

Check the steering gear preload adjustment.

Perform a rack bearing preload adjustment.

Check the front wheel and the rear wheel alignment.

Align the front and the rear wheels.