Tires, Wheels and Loading
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.139.GradesBandArepresenthigherlevelsof
performanceonthelaboratorytestwheelthantheminimumrequiredby
law.
WARNING: Thetemperaturegradeforthistireisestablished
foratirethatisproperlyinflatedandnotoverloaded.
Excessivespeed,underinflation,orexcessiveloading,either
separatelyorincombination,cancauseheatbuildupand
possibletirefailure.
TIRES
Tiresaredesignedtogivemanythousandsofmilesofservice,butthey
mustbemaintainedinordertogetthemaximumbenefitfromthem.
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| Categories | Mazda B-Series Manuals, Mazda Manuals |
|---|---|
| Tags | Mazda B4000 |
| Model Year | 2008 |
| Download File |
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| Document File Type | |
| Copyright | Attribution Non-commercial |
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