Filter
Top Products
(D) Tire Identification Number
(TIN): The letters and numbers
following DOT code are the
Tire Identification Number (TIN).
The TIN shows the manufacturer
and plant code, tire size, and
date the tire was manufactured.
The TIN is molded onto both
sides of the tire, although only
one side may have the date
of manufacture.
(E) Tire Ply Material
: The type
of cord and number of plies in the
sidewall and under the tread.
(F) Uniform Tire Quality
Grading (UTQG)
: Tire
manufacturers are required to
grade tires based on three
performance factors: treadwear,
traction, and temperature
resistance. For more information,
see Uniform Tire Quality
Grading on page 5-62.
(G) Maximum Cold Inflation
Load Limit
: Maximum load that
can be carried and the maximum
pressure needed to support that
load. For information on
recommended tire pressure see
Inflation - Tire Pressure on
page 5-51 and Loading the
Vehicle on page 4-35.
(A) Tire Size
: The tire size code
is a combination of letters and
numbers used to define a
particular tire’s width, height,
aspect ratio, construction type,
and service description.
See the “Tire Size” illustration
later in this section for more
detail.
(B) TPC Spec (Tire
Performance Criteria
Specification)
: Original
equipment tires designed to
GM’s specific tire performance
criteria have a TPC specification
code molded onto the sidewall.
GM’s TPC specifications meet
or exceed all federal safety
guidelines.
(C) Dual Tire Maximum Load
:
Maximum load that can be
carried and the maximum
pressure needed to support
that load when used in a dual
configuration. For information on
recommended tire pressure see
Inflation - Tire Pressure on
page 5-51 and Loading the
Vehicle on page 4-35.
Light Truck (LT-Metric) Tire
5-46 Service and Appearance Care