Ford 1998 Escort User Manual download pdf (Page 151)

The traction grade

assigned to this tire is

based on braking (straight

ahead) traction tests and does

not include cornering (turning)

traction.

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

Standard 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.

Maintenance and care

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Ford 1998 Escort User Manual Page 151