Treadwear
Temperature–A,B,C
Thetreadwear gradeisacomparative rating
basedonthewearrateofthetirewhentested
undercontrolled conditions onaspecified
government testcourse. Forexample, atire
graded150wouldwearoneandahalf(1.5)times
aswellonthegovernment courseasatire
graded100.Therelative performance oftires
dependsupontheactualconditions oftheiruse,
however,andmaydepartsignificantly fromthe
normduetovariations indriving habits,service
practices, anddifferences inroadcharacteristics
andclimate.
Thetemperature gradesareA(thehighest), B,
andC,representing thetire'sresistance tothe
generation ofheatanditsabilitytodissipate heat
whentestedundercontrolled conditions ona
specified indoorlaboratory testwheel.Sustained
hightemperature cancausethematerial ofthe
tiretodegenerate andreducetirelife,and
excessive temperature canleadtosuddentire
failure. ThegradeCcorresponds toalevelof
performance whichallpassenger cartiresmust
meetundertheFederal MotorVehicleSafety
Standard No.109.GradesBandArepresent
higherlevelsofperformance onthelaboratory test
wheelthantheminimumrequired bylaw.Itshould
benotedthatthetemperature gradeforthistireis
established foratirethatisproperly inflated and
notoverloaded. Excessive speed,underinflation,
orexcessive loading, eitherseparately orin
combination, cancauseheatbuildup andpossible
tirefailure.
Traction–AA,A,B,C
Thetraction grades,fromhighest tolowest, are
AA,A,B,andC.Thosegradesrepresent thetire's
ability tostoponwetpavement asmeasured
undercontrolled conditions onspecified
government testsurfaces ofasphalt andconcrete.
AtiremarkedCmayhavepoortraction
performance.
7-75
| Categories | Cadillac Escalade Manuals, Cadillac Manuals |
|---|---|
| Tags | Cadillac Escalade 6.2 |
| Model Year | 2010 |
| Download File |
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| Document File Type | |
| Copyright | Attribution Non-commercial |
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