Types of Tire Wear
Tire Alignment
Camber- is the inward or outward tilt of the front tires as viewed from the front.
Toe- is the side-to-side difference in distance between the front and rear of the front tires.
Caster- slope of the steering axis
Proper Tire Inflation
Refer to your vehicle owner’s manual or the tire specification decal on the driver-side doorframe.
For older model cars (prior to 2003), tire inflation information may be located inside the glove box door, fuel filler flap, or trunk lid.
Do not use the pressure molded into the tire sidewall. This indicates the pressure needed to meet the tire’s full rated load carrying capacity, not the pressure specified for your particular vehicle.
Under and Over Inflation
Underinflated tires also have higher rolling resistance, which reduces fuel economy. And, they wear more rapidly at the outer edges of the tread, which means replacement will be necessary sooner than with properly inflated tires.
Overinflated tires are less of an issue. Modern tires can easily withstand pressures that exceed those recommended for normal driving. However, consistently overinflated tires provide a less compliant ride and suffer more rapid wear in the center of the tread, which again means replacement will be necessary sooner than with properly inflated tires.
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