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Chevrolet Silverado Owner Manual - 2011
10-74 Vehicle Care
The outer tire on a dual wheel
setup generally wears faster than
the inner tire. Your tires will wear
more evenly and last longer
if you rotate the tires periodically,
see Tire Inspection
on page 10‑71
and Tire Rotation
on page 10‑71
.
Also see Scheduled Maintenance
on page 11‑2
.
{
WARNING
If you operate your vehicle with a
tire that is badly underinflated, the
tire can overheat. An overheated
tire can lose air suddenly or catch
fire. You or others could be
injured. Be sure all tires (including
the spare) are properly inflated.
See Tire Pressure
on page 10‑63
,
for information on proper tire
inflation.
When It Is Time for New
Tires
Various factors, such as
maintenance, temperatures, driving
speeds, vehicle loading, and road
conditions influence when you need
new tires.
One way to tell when it is time for
new tires is to check the treadwear
indicators, which appear when the
tires have only 1.6 mm (1/16 in)
or less of tread remaining.
Some commercial truck tires
may not have treadwear indicators.
See Tire Inspection
on page 10‑71
and Tire Rotation
on page 10‑71
for
additional information.
The rubber in tires ages over time.
This is also true for the spare tire,
if the vehicle has one, even if it is
not being used. Multiple conditions
affect how fast this aging takes
place, including temperatures,
loading conditions, and inflation
pressure maintenance. Tires will
typically need to be replaced due to
wear before they may need to be
replaced due to age. Consult the tire
manufacturer for more information
on when tires should be replaced.