Maintenance and care
grade100.Therelativeperformanceoftiresdependsupontheactual
conditionsoftheiruse,however,andmaydepartsignificantlyfromthe
normduetovariationsindrivinghabits,servicepractices,and
differencesinroadcharacteristicsandclimate.
Traction A B C
Thetractiongrades,fromhighesttolowestareA,B,andC,andthey
representthetire’sabilitytostoponwetpavementasmeasuredunder
testsurfacesofasphaltandconcrete.AtiremarkedCmayhavepoor
tractionperformance.
Thetractiongradeassignedtothistireisbasedonbraking
(straightahead)tractiontestsanddoesnotincludecornering
(turning)traction.
Temperature A B C
ThetemperaturegradesareA(thehighest),B,andC,representingthe
tire’sresistancetothegenerationofheatanditsabilitytodissipateheat
whentestedundercontrolledconditionsonaspecifiedindoorlaboratory
testwheel.Sustainedhightemperaturecancausethematerialofthetire
todegenerateandreducetirelife,andexcessivetemperaturecanleadto
suddentirefailure.ThegradeCcorrespondstoalevelofperformance
whichallpassengercartiresmustmeetundertheFederalMotorVehicle
SafetyStandardNo.109.GradesBandArepresenthigherlevelsof
performanceonthelaboratorytestwheelthantheminimumrequiredby
law.
Thetemperaturegradeforthistireisestablishedforatirethat
isproperlyinflatedandnotoverloaded.Excessivespeed,
underinflation,orexcessiveloading,eitherseparatelyorin
combination,cancauseheatbuildupandpossibletirefailure.
SERVICING YOUR TIRES
Checking the tire pressure
•
•
Useanaccuratetirepressuregauge.
Checkthetirepressurewhentiresarecold,afterthevehiclehasbeen
parkedforatleastonehourorhasbeendrivenlessthan5km(3
miles).
178
| Categories | Ford Explorer Manuals, Ford Manuals |
|---|---|
| Document Type | Free Auto PDF Manual Download |
| Model Year | 1998 |
| Download File |
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| Document File Type | |
| Wikipedia's Page | Ford Explorer |
| Copyright | Attribution Non-commercial |
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