The wheel bearings are worn.

Service and/or replace as needed.

The tie rod ends are worn or loose.

Service and/or replace as needed.

Perform an alignment.

Refer to Preliminary Alignment Inspection in Wheel Alignment.

The tire/wheel is out-of-balance.

Balance as needed.

The tire has a blister or bump.

Replace the tire as neccessary. Refer to Tire Diagnosis - Irregular or Premature Wear in Tires and Wheels.

The brake components are out of balance.

Service and/or replace as needed.

The strut is weak.

Service and/or replace as needed.

Refer to Suspension Component Inspection in Front Suspension.

The drive axle is worn or damaged.

Inspect and service as needed.

Refer to Wheel Drive Shaft Replacement in Wheel Drive Shafts.