Tire mounting, tire balancing, and tire rotation are all important for the longevity and maintenance of your vehicle.
According to studies conducted by the National Highway Traffic Safety Administration (NHTSA) on tire-related crashes, the leading cause of tire failure is underinflation.
Underinflation can have many causes, including a gradual loss of pressure through membranes in the tire itself. It is typical for pressure to drop approximately 1 psi per month and 1 psi for each 8-degree loss in ambient temperature.
To ensure maximum tire life and safety, give your tires a visual inspection at least once a month and before long trips. This is easily done at the same time you check pressures. Look for: * Excessive or uneven tread wear, which may indicate improper inflation or steering and suspension misalignment; * Cracks or bulges on the sidewalls or tread; * Chunking of the tread or any indication of tread separation from the carcass; * Signs of puncture, or nails, screws, glass, pieces of stone or any foreign object imbedded in the tire.
Tire rotation is essential to achieve even tread wear and maximum tread life. On front-wheel-drive cars, for example, most of the braking, steering and driving forces are carried by the front tires, which inevitably wear much faster.
Out-of-balance tires can not only cause uneven tread wear and an uncomfortable ride but also excessive wear on the suspension and other components. An out-of-balance tire can be detected by a severe thumping, usually most pronounced at highway speeds.
Misalignment of the steering and suspension, either front or rear, can not only adversely affect the steering feel and stability of a vehicle, but also cause rapid and uneven tire wear. If not corrected, this misalignment can ruin a tire in a short time and distance.
If you feel the steering "pulling" in one direction or another when traveling straight ahead on a flat road with no crosswind, or if you notice uneven wear on the tires, particularly front tires, you should have the alignment checked and adjusted as soon as possible.
