Maintenance and Specifications
TheseTireQualityGradesaredeterminedbystandardsthattheUnited
StatesDepartmentofTransportationhasset.
TireQualityGradesapplytonewpneumatictiresforuseonpassenger
cars.Theydonotapplytodeeptread,winter-typesnowtires,
space-saverortemporaryusesparetires,tireswithnominalrim
diametersof10to12inchesorlimitedproductiontiresasdefinedin
Title49CodeofFederalRegulationsPart575.104(c)(2).
U.S.DepartmentofTransportation-Tirequalitygrades:TheU.S.
DepartmentofTransportationrequiresMazdatogiveyouthefollowing
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
gradesrepresentthetire’sabilitytostoponwetpavementasmeasured
undercontrolledconditionsonspecifiedgovernmenttestsurfacesof
asphaltandconcrete.AtiremarkedCmayhavepoortraction
performance.
NOTE:Thetractiongradeassignedtothistireisbasedon
straight-aheadbrakingtractiontests,anddoesnotincludeacceleration,
cornering,hydroplaningorpeaktractioncharacteristics.
Temperature A B C
ThetemperaturegradesareA(thehighest),B,andC,representingthe
tire’sresistancetothegenerationofheatanditsabilitytodissipateheat
whentestedundercontrolledconditionsonaspecifiedindoorlaboratory
testwheel.Sustainedhightemperaturecancausethematerialofthetire
todegenerateandreducetirelife,andexcessivetemperaturecanleadto
suddentirefailure.ThegradeCcorrespondstoalevelofperformance
whichallpassengercartiresmustmeetundertheFederalMotorVehicle
SafetyStandardNo.109.GradesBandArepresenthigherlevelsof
performanceonthelaboratorytestwheelthantheminimumrequiredby
law.
230
| Categories | Mazda Manuals, Mazda Tribute Manuals |
|---|---|
| Model Year | 2003 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(1 votes, average: 4 out of 4)
Automotive readers have rated 2003 Mazda Tribute Owners Manual 4.0 out of 4.0 based on 1 product reviews. great