Black plate (56,1)
Chevrolet Silverado 2500HD and 3500HD Owner Manual (GMNA-Localizing-
U.S./Canada-7142528) - 2014 - crc - 3/26/13
10-56
Vehicle Care
Treadwear Indicators
:
Narrow
bands, sometimes called wear
bars, that show across the tread
of a tire when only 1.6 mm
(1/16 in) of tread remains. See
When It Is Time for New Tires
on page 10-65
UTQGS (Uniform Tire Quality
Grading Standards)
:
A tire
information system that provides
consumers with ratings for a
tire's traction, temperature, and
treadwear. Ratings are
determined by tire
manufacturers using
government testing procedures.
The ratings are molded into the
sidewall of the tire. See
Tire Quality Grading on
page 10-68
Vehicle Capacity Weight
:
The
number of designated seating
positions multiplied by
68 kg (150 lb) plus the rated
cargo load. See
Vehicle Maximum Load on the
Tire
:
Load on an individual tire
due to curb weight, accessory
weight, occupant weight, and
cargo weight.
Vehicle Placard
:
A label
permanently attached to a
vehicle showing the vehicle
capacity weight and the original
equipment tire size and
recommended inflation pressure.
See
“
Tire and Loading
Information Label
”
under
.
Tire Pressure
Tires need the correct amount of
air pressure to operate
effectively.
Notice:
Neither tire
underinflation nor
overinflation is good.
Underinflated tires, or tires
that do not have enough air,
can result in:
.
Tire overloading and
overheating which could
lead to a blowout.
.
Premature or
irregular wear.
.
Poor handling.
.
Reduced fuel economy.
Overinflated tires, or tires that
have too much air, can
result in:
.
Unusual wear.
.
Poor handling.
.
Rough ride.
.
Needless damage from
road hazards.