Ford 2008 E-450 v.3 Manuel d'utilisateur télécharger pdf (Page 115)

INFORMATION ABOUT UNIFORM TIRE QUALITY GRADING

Tire Quality Grades apply to new

pneumatic passenger car tires. The

Quality grades can be found where

applicable on the tire sidewall

between tread shoulder and

maximum section width. For

example:

• Treadwear 200 Traction AA Temperature A

These Tire Quality Grades are determined by standards that the United

States Department of Transportation has set.

Tire Quality Grades apply to new pneumatic passenger car tires. They do

not apply to deep tread, winter-type snow tires, space-saver or

temporary use spare tires, light truck or “LT” type tires, tires with

nominal rim diameters of 10 to 12 inches or limited production tires as

defined in Title 49 Code of Federal Regulations Part 575.104(c)(2).

U.S. Department of Transportation-Tire quality grades: The U.S.

Department of Transportation requires Ford Motor Company to give you

the following information about tire grades exactly as the government

has written it.

Treadwear

The treadwear grade is a comparative rating based on the wear rate of

the tire when tested under controlled conditions on a specified

government test course. For example, a tire graded 150 would wear one

and one-half (1

⁄

) times as well on the government course as a tire

graded 100. The relative performance of tires depends upon the actual

conditions of their use, however, and may depart significantly from the

norm due to variations in driving habits, service practices, and

differences in road characteristics and climate.

2008 Econoline (eco)

Owners Guide (post-2002-fmt)

USA (fus)

Tires, Wheels and Loading

115

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Ford 2008 E-450 v.3 Manuel d'utilisateur Page 115