tire and wheel assemblies provide the only connection between the road and the vehicle. Tire design has improved dramatically during the past few years. Modern tires require increased attention to achieve their full potential of extended service and correct rice control. tire wear what that in uneven or premature is usually a good indicator of steering and suspension system problems. tires,therefore,become not only a good diagnostic aid to a technician,but can also be clear
evidence to the customer that there is need for service.