Top Ten Tire Safety Tips
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.
Underinflation has immediate effects on vehicle handling (as well as fuel consumption), but its potential impact on overall safety and tire life are even greater. It results in premature and uneven tread wear on the outer edges. Underinflation also increases stress on the carcass itself, through flexing and overheating, which can lead to structural failures such as tread separation.
That's why it is imperative to check and adjust tire pressure at least once a month and before every long trip (over 250 miles). Recommended pressures are printed on a label located on the driver's doorframe or in the glove box.
2. Inspect tires regularly for abnormal wear or damage.
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.
If you detect any of these conditions, take the vehicle in for further diagnosis immediately. In most cases, punctures can be repaired if their size is not excessive.
In general, external "plugs" are not recommended. Repairs should be made from the inside, and a complete inspection made while the tire is off the rim. Sealing compounds and other emergency aids should be treated only as a means of moving the vehicle to a safe location for repair.
If abnormal tire pressure loss occurs, check the valve stems for leakage, as well as the tire itself.
3. Rotate tires every 6,000 miles or according to owner's manual.
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.
A "cross-rotation pattern"—that is, moving the left-front tire to the right-rear axle, the right-front tire to the left-rear axle, etc.—can best balance tread wear and maximize tire life. That sequence can be performed on any vehicle equipped with four non-unidirectional tires. Designated by an arrow on the sidewall, unidirectional tires must be rotated only front to rear and rear to front, on the same side of the vehicle, so their direction of revolution does not change.
All-wheel-drive and four-wheel-drive vehicles are best suited to a lateral rotation—left to right and right to left—at the same end of the vehicle.
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.
Underinflation has immediate effects on vehicle handling (as well as fuel consumption), but its potential impact on overall safety and tire life are even greater. It results in premature and uneven tread wear on the outer edges. Underinflation also increases stress on the carcass itself, through flexing and overheating, which can lead to structural failures such as tread separation.
That's why it is imperative to check and adjust tire pressure at least once a month and before every long trip (over 250 miles). Recommended pressures are printed on a label located on the driver's doorframe or in the glove box.
2. Inspect tires regularly for abnormal wear or damage.
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.
If you detect any of these conditions, take the vehicle in for further diagnosis immediately. In most cases, punctures can be repaired if their size is not excessive.
In general, external "plugs" are not recommended. Repairs should be made from the inside, and a complete inspection made while the tire is off the rim. Sealing compounds and other emergency aids should be treated only as a means of moving the vehicle to a safe location for repair.
If abnormal tire pressure loss occurs, check the valve stems for leakage, as well as the tire itself.
3. Rotate tires every 6,000 miles or according to owner's manual.
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.
A "cross-rotation pattern"—that is, moving the left-front tire to the right-rear axle, the right-front tire to the left-rear axle, etc.—can best balance tread wear and maximize tire life. That sequence can be performed on any vehicle equipped with four non-unidirectional tires. Designated by an arrow on the sidewall, unidirectional tires must be rotated only front to rear and rear to front, on the same side of the vehicle, so their direction of revolution does not change.
All-wheel-drive and four-wheel-drive vehicles are best suited to a lateral rotation—left to right and right to left—at the same end of the vehicle.
