Ford 2013 F-150 v.2 Manuel d'utilisateur télécharger pdf (Page 361)

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101

Temperature A B C

WARNING: 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.

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. 139. Grades B and A represent higher levels of

performance on the laboratory test wheel than the minimum required by

law.

Glossary of Tire Terminology

• Tire label: A label showing the OE (Original Equipment) tire sizes,

recommended inflation pressure and the maximum weight the vehicle

can carry.

• Tire Identification Number (TIN): A number on the sidewall of

each tire providing information about the tire brand and

manufacturing plant, tire size and date of manufacture. Also referred

to as DOT code.

• Inflation pressure: A measure of the amount of air in a tire.

• Standard load: A class of P-metric or Metric tires designed to carry a

maximum load at 35 psi [37 psi (2.5 bar) for Metric tires]. Increasing

the inflation pressure beyond this pressure will not increase the tire’s

load-carrying capability.

• Extra load: A class of P-metric or Metric tires designed to carry a

heavier maximum load at 41 psi [43 psi (2.9 bar) for Metric tires].

Increasing the inflation pressure beyond this pressure will not increase

the tire’s load-carrying capability.

• kPa: Kilopascal, a metric unit of air pressure.

• PSI: Pounds per square inch, a standard unit of air pressure.

• Cold tire pressure: The tire pressure when the vehicle has been

stationary and out of direct sunlight for an hour or more and prior to

the vehicle being driven for 1 mile (1.6 kilometers).

360 Wheels and Tires

2013 F-150 (f12)

Owners Guide gf, 2nd Printing, October 2012

USA (fus)

1 2 ... 356 357 358 359 360 361 362 363 364 365 366 ... 576 577

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Ford 2013 F-150 v.2 Manuel d'utilisateur Page 361

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