The steering linkage lacks lubrication.

Lubricate the linkage. Refer to Fluid and Lubricant Recommendations in Maintenance and Lubrication.

The tire pressure is low.

Inflate the tires to the recommended pressure. Refer to Tire Inflation Description in Tires and Wheels.

The wheel bearings are loose.

1. Adjust the wheel bearings. Refer to Wheel Bearing Adjustment in Front Suspension.
2. Replace the wheel bearings as needed. Refer to Front Wheel Hub, Bearing, and Seal Replacement in Front Suspension.

The front wheel alignment setting (caster) is incorrect.

1. Check the caster setting.
2. Align the wheels to specification as needed.

Refer to Wheel Alignment Specifications in Wheel Alignment.

The springs are broken.

Replace the springs. Refer to Leaf Springs Replacement in Front Suspension.

The shock absorber is malfunctioning.

1. Inspect the shock absorber. Refer to Struts or Shock Absorbers Bench Test .
2. Replace the shock absorber as needed. Refer to Shock Absorber Replacement in Front Suspension.

The stabilizer shaft is broken or has a missing link.

Replace the stabilizer shaft or the link. Refer to Stabilizer Shaft Replacement in Front Suspension.