Chevrolet 2009 colorado 用户手册
Radial Ply Tire
:
A pneumatic tire in which
the ply cords that extend to the beads are laid
at 90 degrees to the centerline of the tread.
at 90 degrees to the centerline of the tread.
Rim
:
A metal support for a tire and upon which
the tire beads are seated.
Sidewall
:
The portion of a tire between the tread
and the bead.
Speed Rating
:
An alphanumeric code assigned to
a tire indicating the maximum speed at which a
tire can operate.
tire can operate.
Traction
:
The friction between the tire and the
road surface. The amount of grip provided.
Tread
:
The portion of a tire that comes into
contact with the road.
Treadwear Indicators
:
Narrow bands, sometimes
called wear bars, that show across the tread of
a tire when only 1/16 inch (1.6 mm) of tread
remains. See When It Is Time for New Tires
on page 5-69.
a tire when only 1/16 inch (1.6 mm) of tread
remains. See When It Is Time for New Tires
on page 5-69.
UTQGS (Uniform Tire Quality Grading
Standards)
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 Uniform Tire Quality
Grading on page 5-72.
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 Uniform Tire Quality
Grading on page 5-72.
Vehicle Capacity Weight
:
The number of
designated seating positions multiplied by 150 lbs
(68 kg) plus the rated cargo load. See Loading
the Vehicle on page 4-33.
(68 kg) plus the rated cargo load. See Loading
the Vehicle on page 4-33.
Vehicle Maximum Load on the Tire
:
Load on
an individual tire due to curb weight, accessory
weight, occupant weight, and cargo weight.
weight, occupant weight, and cargo weight.
Vehicle Placard
:
A label permanently attached to
a vehicle showing the vehicle’s capacity weight and
the original equipment tire size and recommended
inflation pressure. See “Tire and Loading
Information Label” under Loading the Vehicle
on page 4-33.
the original equipment tire size and recommended
inflation pressure. See “Tire and Loading
Information Label” under Loading the Vehicle
on page 4-33.
5-59