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Tire Sidewall Labeling
Useful information about a tire is molded into the
sidewall. The following illustration is an example
of a typical P-Metric tire sidewall.
(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) DOT (Department of Transportation)
:
The
Department of Transportation (DOT) code
indicates that the tire is in compliance with the
U.S. Department of Transportation Motor Vehicle
Safety Standards.
(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 5-78
.
Passenger (P-Metric) Tire
5-60
Summary of Contents for 2008 TrailBlazer
Page 72: ... NOTES 1 68 ...
Page 133: ... NOTES 3 3 ...
Page 134: ...Instrument Panel Overview 3 4 ...
Page 238: ... NOTES 3 108 ...
Page 312: ...When you open the hood on the 5 3L V8 engine here is what you will see 5 14 ...
Page 314: ...When you open the hood on the 6 0L V8 TrailBlazer SS engine here is what you will see 5 16 ...
Page 416: ...Rear Underseat Fuse Block 5 118 ...
Page 436: ...Engine Drive Belt Routing 4 2L V6 Engine 5 3L V8 and 6 0L V8 Engines 6 16 ...