The temperature grades are A (the highest), B, and C, representing the tire's resistance to the generation of heat and its ability to dissipate heat when tested under controlled conditions on a specified indoor laboratory test wheel. Sustained high temperature can cause the material of the tire to degenerate and reduce tire life, and excessive temperature can lead to sudden tire failure. The grade C corresponds to a level of performance which all passenger car tires must meet under the Federal Motor Vehicle Safety Standard No. 109. Grades B and A represent higher levels of performance on the laboratory test wheel than the minimum required by law.
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Caution
• Wear appropriate work clothing, including a cap, protective goggles and protective shoes when performing any work.• Remove contamination including dirt and corrosion before removal, installation or disassembly.• Keep the disassembled parts in order and protect them from dust and ...