What creates excessive tire noise?
Most tire noise is created by uneven tread wear. Noise related to uneven wear is a low-pitched grinding sound similar to that made by a bad wheel bearing. Uneven wear is a result of poor maintenance practices (a lack of tire rotation, improper tire pressures, etc.), wheel alignment problems, worn steering or suspension parts, improper vehicle geometry, or misapplication of the tire. A moderate amount of uneven wear can be eliminated by proper tire rotation. Tire truing, shaving of the high spots of the uneven wear, can also remove moderate amounts of uneven wear. A high-pitched singing noise is either a characteristic of aggressive tire design or the effects of the road surface.
