2003 Ford Focus Owners Manual

Maintenance and Specifications
INFORMATION ABOUT UNIFORM TIRE  QUALITY GRADING
Newvehiclesarefittedwithtires
thathavearatingonthemcalled
TireQualityGrades.TheQuality
gradescanbefoundwhere
applicableonthetiresidewall
betweentreadshoulderand
maximumsectionwidth.For
example:
Treadwear200TractionAATemperatureA
TheseTireQualityGradesaredeterminedbystandardsthattheUnited
StatesDepartmentofTransportationhasset.
TireQualityGradesapplytonewpneumatictiresforuseonpassenger
cars.Theydonotapplytodeeptread,winter-typesnowtires,
space-saverortemporaryusesparetires,tireswithnominalrim
diametersof10to12inchesorlimitedproductiontiresasdefinedin
Title49CodeofFederalRegulationsPart575.104(c)(2).
U.S.DepartmentofTransportation-Tirequalitygrades:TheU.S.
DepartmentofTransportationrequiresFordtogiveyouthefollowing
informationabouttiregradesexactlyasthegovernmenthaswrittenit.
Treadwear
Thetreadweargradeisacomparativeratingbasedonthewearrateof
thetirewhentestedundercontrolledconditionsonaspecified
governmenttestcourse.Forexample,atiregraded150wouldwearone
andone-half(11/2)timesaswellonthegovernmentcourseasatire
graded100.Therelativeperformanceoftiresdependsupontheactual
conditionsoftheiruse,however,andmaydepartsignificantlyfromthe
normduetovariationsindrivinghabits,servicepractices,and
differencesinroadcharacteristicsandclimate.
Traction AA A B C
Thetractiongrades,fromhighesttolowestareAA,A,B,andC.The
gradesrepresentthetiresabilitytostoponwetpavementasmeasured
undercontrolledconditionsonspecifiedgovernmenttestsurfacesof
asphaltandconcrete.AtiremarkedCmayhavepoortraction
performance.
192
Product Specification
CategoriesFord Focus Manuals, Ford Manuals
Model Year2003
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