IF YOU NEED CONSUMER ASSISTANCE
263
DEPARTMENT OF TRANSPORTATION UNIFORM
TIRE QUALITY GRADES
Traction Grades
Thetractiongrades,fromhighesttolowest,areA,B,and
C, and they represent the tire’s ability to stop on wet
pavement as measured under controlled conditions on
specified government test surfaces of asphalt and con-
crete. A tire marked C may have poor traction perfor-
mance.
Thefollowingdescribesthetiregradingcategoriesestab-
lished by the National highway Traffic SafetyAdminis-
tration. The specific grade rating assigned by the tire’s
manufacturerineachcategoryisshownonthesidewall
ofthetiresonyourcar.
AllPassengerCarTiresMustConformtoFederalSafety
RequirementsinAdditiontoTheseGrades.
WARNING!
Treadwear
The traction grade is based on braking (straight-
ahead)tractiontestsanddoesnotincludecornering
(turning)performance.
Thetreadweargradeisacomparativeratingbasedonthe
wear rate of the tire when tested under controlled con-
ditions on a specified government test course. For ex-
ample, a tire graded 150 would wear one and a half (1
1/2)
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
maydepartsignificantlyfromthenormduetovariations
indrivinghabits,servicepracticesanddifferencesinroad
characteristicsandclimate.
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| Categories | Chrysler 300 Manuals, Chrysler Manuals |
|---|---|
| Model Year | 2004 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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