When It Is Time For New Tires - GMC Sierra 2023 Manual

128 Vehicle Care
unusual wear continues after the
rotation, check the wheel alignment.
See When It Is Time for New Tires 0 128
and your owner s manual.
Use this rotation pattern when rotating
the tires.
Do not include the spare tire in the tire
rotation.
Adjust the front and rear tires to the
recommended inflation pressure on the
Tire and Loading Information label after
the tires have been rotated. See Tire
Pressure 0 121 and
Vehicle Load Limits 0 75.
Reset the Tire Pressure Monitor System.
See Tire Pressure Monitor Operation
0 123.
Check that all wheel nuts are properly
tightened. See Wheel Nut Torque in
your owner s manual and Removing
the Flat Tire and Installing the Spare
Tire under Tire Changing 0 133.
Warning
Rust or dirt on a wheel, or on the
parts to which it is fastened, can
cause wheel nuts to become loose
over time. The wheel could come off
and cause a crash. When changing a
wheel, remove any rust or dirt from
places where the wheel attaches to
the vehicle. In an emergency, a cloth
or paper towel can be used; however,
use a scraper or wire brush later to
remove all rust or dirt.
Lightly coat the inner diameter of the
wheel hub opening with wheel bearing
grease after a wheel change or tire
rotation to prevent corrosion or rust
build-up.
Warning
Do not apply grease to the wheel
mounting surface, wheel conical
seats, or the wheel nuts or bolts.
Grease applied to these areas could
cause a wheel to become loose or
come off, resulting in a crash.

When It Is Time for New Tires

Factors, such as maintenance, temperatures,
driving speeds, vehicle loading, and road
conditions affect the wear rate of the tires.
Treadwear indicators are one way to tell
when it is time for new tires. Treadwear
indicators appear when the tires have only