Every time you check inflation, you
should also examine the tires for
damage, foreign objects, and wear.
Youshouldlookfor:
Bumps or bulges in the tread or
side of the tire. Replace the tire if
youfindeitheroftheseconditions.
A tire this worn gives very little
traction on wet roads. You should
replace the tire if you can see three
or more tread wear indicators.
Excessive tread wear.
Cuts, splits, or cracks in the side
of the tire. Replace the tire if you
can see fabric or cord. Your tires have wear indicators
molded into the tread. When the
tread wears down, you will see a 1/2
inch (12.7 mm) wide band across the
tread. This shows there is less than
1/16 inch (1.6 mm) of tread left on
the tire.
The service life of your tires is
dependent on many factors,
including, but not limited to, driving
habits, road conditions, vehicle
loading, inflation pressure,
maintenance history, speed, and
environmental conditions (even
when the tires are not in use).
In addition to your regular
inspections and inflation pressure
maintenance, it is recommended that
you have annual inspections
performed once the tires reach five
years old. It is also recommended
that all tires, including the spare, be
removed from service after 10 years
from the date of manufacture,
regardless of their condition or state
of wear.
The last four digits of the TIN (tire
identification number) are found on
the sidewall of the tire and indicate
the date of manufacture (See
on page ).355
Tire Inspection Tire Service Life
Tire
Labeling
Tires
316
INDICATOR LOCATION MARKS
TREAD WEAR INDICATORS
０７／０５／１７ １７：３７：２０ ３１ＳＥＡ６４０ ０３２１
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