(1) Hard Cornering/Underinflation
(2) Incorrect Alignment/Lack of Rotation
(3) Incorrect Alignment/Non-uniform Tire
(4) Heavy Acceleration/Over inflation
(5) Wear Indicator
• You can see the indicators at three or more places around the tire.
• You can see cord or fabric showing through the tire's rubber.
• The tread or sidewall is cracked, cut, or snagged deep enough to show cord or fabric.
• The tire has a bump, bulge, or split.
• The tire has a puncture, cut, or other damage that cannot be repaired well because of the size or
location of the damage.
The rubber in tires degrades over time, even if they are not being used. This is also true for the spare
tire, if your vehicle has one. Multiple conditions affect how fast this aging takes place, including
temperatures, loading conditions, and inflation pressure maintenance. With proper care and
maintenance tires will typically wear out before they degrade due to age. If you are unsure about the
need to replace your tires as they get older, consult the tire manufacturer for more information.
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Tires Wear Patterns And Some Common Causes