Temperature A, B, C
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 Standards No. 109. Grades B and A represent higher levels of performance on the laboratory test wheel than the minimum required by law.
The temperature grade for this tire is established for a tire that is properly inflated and not overloaded. Excessive speed, underinflation, or excessive loading, either separately or in combination, can cause heat buildup and possible tire failure.
See also:
Washing the underbody
Chemicals, salts and gravel used for
deicing road surfaces are extremely corrosive,
accelerating the corrosion of underbody
components, such as the exhaust
system, fuel and brake lines, brake ...
Checking the fluid level when the fluid is cold
When the fluid level has to be checked without time to warm up the automatic
transmission, check to see that the fluid level is between the lower level and upper
level on the “COLD” range. If it i ...
Wiper and washer
WARNING
In freezing weather, do not use the windshield washer until the windshield is
sufficiently warmed by the defroster.
Otherwise the washer fluid can freeze on the windshield, blocking your v ...