Wheel replacement, Wheel alignment and tire balance – GMC 2003 Sierra User Manual
Page 455
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The tennperalure grades are A tthe highesJ). B, and Cu
rñpresEnüng the tire’s resistance to Ihe generation
of heat and Us ability to dissipate heat when tested
under controllBd conditions on a specified indoor
laboratory test wheel. Sustained high ternperalure can
cause Ihe mate rial of the tire to degenerate and
raduce tíre lite, and excessive temperature can lead to
sudden tire failure. The grade C correspor^ds to a
level of performance which alt passenger car tines must
meet under the Federal Motor Vehicle Safety Standard
No. 1U9, Grades 0 and A represent higher levels of
performance on the laboratory ]esl wheel than the
rtilnimum requireid by few.
Warning' The temperature grade for this lire Is
established far a йге that Is property Inflated and not
overloaded. Encessrve speed, underinllation. or
excessive loading, either separately or In combination,
can cause heat buildup and possible tire failure.
Temperature - A, В, С
The wheels on your vehicle wore aligned and balanced
carefully at the factory to give you the longest tire life
and best overall performance.
Scheduled wheel alignment and wheel balancing are
not needed- However, it you notice unusual tira wear or
your vehicle pulling one way or fhe other, Ihe alignment
may need to be reset. II you notice your vehicle
vibraiing when driving on a smooth road, your wheels
may need to be rebalanced-
Wheel Replacement
Replace any wheel thai is bent, crackled, or badly rusted
or oorrodod. If wheel nuts l wheel, wheel bolts and wheel nuts should be replaced aluminum wheels, which can sometirnos be repaired). See your dealer if any of these condilioos exist. Vaur deafer will Know (he kind of wheel you need. Each new wheel should have the same load-carrying capacity, diarriater. width, offset and be mounted If you need to replace any of your wheels, wheel bolts or wheel nuts, replace ihem only with new GM onginal Wheel Alignment and Tire Balance S-КЫ
If the wheel leaks air. replace it (except some
the same way as the one it replaces.
equipment parts. This way, you will' be sure to have ihe
right wh&el. wheel bofts and wheel nuts for your vehicle.