flat tire AUDI A4 2019 User Guide

8W0012721BG
Wheels







Model/TiredesignationTirepressure
EngineNormalloadMaximumload
(upto3people)”
FrontRearFrontRear
PSIkPAPSIkPAPSIkPAPSIkPA
allroad:225/55R1797Y32220292003323030210
2.0L245/45R1896Y32|220|29|200|35|240|32|220
4-cylinder—(345/45R18100H|32|220|32|220|35|240/35|240
gasolineen-
gine245/40R1998Y35240322203826035240


AWARNING
Pleasenotetheimportantsafe-
typrecautionsregardingtire
pressure>page332andload

limits>page335.
Tiresandvehicleloadlimits
Therearelimitstotheamountof
loadorweightthatanyvehicle
andanytirecancarry.Avehicle
thatisoverloadedwillnothandle
wellandismoredifficulttostop.
Overloadingcan notonlyleadto
lossofvehiclecontrol,butcanal-
sodamageimportantpartsofthe
vehicleandcanleadtosudden
tirefailure,includingablowout
andsuddendeflationthatcan
causethevehicletocrash.

Yoursafetyandthat ofyourpas-
sengersalsodependsonmaking
surethatloadlimitsarenotex-
ceeded.Vehicleload includesev-
a)Twopeopleinthefront,onepersonintherear
erybodyandeverythinginand on
thevehicle.Theseloadlimitsare
technicallyreferred toasthevehi-
cle’sGrossVehicleWeightRating
(“GVWR”).
The“GVWR”includestheweight
ofthebasicvehicle,allfactoryin-
stalledaccessories,afulltankof
fuel,oil,coolantandotherfluids
plusmaximumload.Themaxi-
mumload includesthenumberof
passengersthatthevehicleisin-
tendedtocarry(“seatingcapaci-
ty”)withanassumedweightof
150lbs.(68kg)foreachpassen-
geratadesignatedseatingposi-
tionandthetotalweightofany
luggageinthevehicle.Ifyoutow
atrailer,theweightofthetrailer
hitchandthetongueweightof
the loadedtrailermustbeinclud-
edaspart ofthevehicleload.
TheGrossAxleWeightRating
(“GAWR”)isthemaximumload
335
>

Wheels

thatcanbeappliedateachofthe
vehicle’stwoaxles.
Thefactthat thereisanupper
limittoyourvehicle’sGrossVehi-
cleWeightRatingmeansthatthe
totalweightofwhateverisbeing
carriedinthevehicle (including
theweightofatrailerhitchand
thetongueweightofthe loaded
trailer)islimited.Themorepas-
sengersinthevehicle orpassen-
gerswhoareheavierthanthe
standardweightsassumedmean
thatlessweightcanbecarriedas
luggage.
TheGrossVehicleWeightRating
andtheGrossAxleWeightRating
arelistedonthesafetycompli-
ancestickeronthedriver’ssideB-
pillarrespectivelyonthefront
endofthedriver'sdoor.

Z\WARNING
Overloadingavehiclecancause
lossofvehiclecontrol,acrash
orotheraccident,seriousper-
sonalinjury,andevendeath.
—Carryingmoreweightthan
yourvehiclewasdesignedto
carrywillpreventthevehicle
fromhandlingproperlyandin-
creasetheriskofthelossof
vehiclecontrol.

336

—Thebrakesonavehiclethat
hasbeenoverloadedmaynot
beabletostopthevehicle
withinasafedistance.
—Tiresonavehiclethathas
beenoverloadedcanfailsud-
denly,includingablowoutand
suddendeflation,causingloss
ofcontrolandacrash.
—Alwaysmakesurethattheto-
talloadbeingtransported-
includingtheweightofatrail-
erhitchandthetongue
weightofaloadedtrailer-
doesnotmakethevehicle
heavierthanthevehicle’s

GrossVehicleWeightRating.
Determiningcorrectload
Thali
Usetheexamplebelowtocalcu-
latethetotalweightofthepas-
sengersandluggageorother
thingsthatyouplantotransport
sothatyoucanmakesurethat
yourvehiclewillnotbeoverload-
ed.

StepsforDeterminingCorrect
LoadLimit
1.Locatethestatement“THE
COMBINEDWEIGHTOFOCCU-
PANTSANDCARGOSHOULD>

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Wheels

NEVEREXCEEDXXXKGORXXX
LBS”onyourvehicle’splacard
(tireinflationpressurelabel)
=>page332,fig.265.
.Determinethecombined
weightofthedriverandpas-
sengersthatwillberidingin
yourvehicle.
.Subtractthecombinedweight
ofthedriverandpassengers
from“XXX”kilogramsor“XXX”
poundsshownonthestick-
er>page332,fig.265.
.Theresultingfigureequalsthe
availableamountofcargoand
luggageloadcapacity.Forex-
ample,ifthe“XXX”amount
equals1400lbs.andtherewill
befive150lbs.passengersin
yourvehicle,theamountof
availablecargoandluggage
load capacityis650lbs.
(1400-750(5x150)=650
lbs.)
.Determinethecombined
weightofluggageandcargo
beingloadedonthevehicle.
Thatweightmaynotsafelyex-
ceedtheavailablecargoand
luggageload capacitycalculat-
edinStep4.
.Ifyourvehiclewillbetowinga
trailer,loadfromyourtrailer
willbetransferredtoyourvehi-
cle.Consultthismanualtode-
terminehowthisreducesthe
availablecargoandluggage
loadcapacityofyourvehicle.
>Checkthetiresidewall
(=page323,fig.262)todeter-
minethedesignatedloadrating
foraspecifictire.
Wheelboltsandrims
Wheelbolts
Wheelboltsmustbecleanandloosen/tighten
easily.
Rims
Rimswithaboltedrimring*orwith boltedwheel
covers*consistofmultiplepieces.Thesecompo-
nentswereboltedtogetherusingspecialbolts
andaspecialprocedure.Youmustnotrepairor
disassemblethem>A\.

ZAWARNING
Wheelboltsthataretightenedorrepairedin-
correctlycanbecomelooseandresultinloss
ofvehiclecontrol,whichincreasestheriskof
anaccident.Forthecorrecttighteningspecifi-
cation,see>page354,Finishing.
—Alwayskeepthewheelboltsandthethreads
inthewheelhubcleanandfreeofgrease.
—Onlyusewheelboltsthatfittherim.
—Alwayshavedamagedrimsrepairedbyan
authorizedAudidealerorauthorizedAudi
ServiceFacility.Neverrepair ordisassemble
rimsyourself,becausethisincreasestherisk
ofanaccident.

Wintertiressignificantlyimprovethevehicle's
handlingwhendrivinginwinterconditions.Be-
causeoftheirconstruction(width,compound,
337

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Wheels

Afteraheavyimpactordamage,havethetires
andrimsinspectedorreplacedimmediatelyby
anauthorizedAudidealerorauthorizedAudi
ServiceFacility.
Low-profiletirescanwearoutfasterthanstand-
ardtires.
Uniformtirequalitygrading
—Treadwear
—TractionAAABC
—TemperatureABC
Qualitygradescanbefoundwhereapplicableon
thetiresidewallbetweentreadshoulderand
maximumsectionwidth>page323,fig.262.
Forexample:Treadwear200,TractionAA,Tem-
peratureA.
AllpassengercartiresmustconformtoFederal
SafetyRequirementsinadditiontothesegrades.
Treadwear
Thetreadweargradeisacomparativerating
basedonthewearrateofthetirewhentested
undercontrolledconditionsonaspecifiedgov-
ernmenttestcourse.
Forexample,a tiregraded150wouldwearone
andonehalf(11/2)timesaswellonthegovern-
mentcourseasa tiregraded100.
Therelativeperformanceoftiresdependsupon
theactualconditionsoftheiruse,however,and
maydepartsignificantlyfromthenormdueto
variationsindrivinghabits,servicepracticesand
differencesinroadcharacteristicsandclimate.
Traction
Thetractiongrades,fromhighestto lowest, are
AA,A,BandC.Thosegradesrepresentthetire's
abilitytostoponwetpavementasmeasuredun-
dercontrolledconditionsonspecifiedgovern-
menttestsurfacesofasphaltandconcrete.Atire
markedCmayhavepoortractionperformance
SA.
Temperature
ThetemperaturegradesareA(thehighest),B,
andC,representingthetire'sresistancetothe
generationofheatanditsabilitytodissipate
heatwhentestedundercontrolledconditionson
aspecifiedindoorlaboratorytestwheel.
Sustainedhightemperaturecancausethemate-
rialofthetiretodegenerateandreducetirelife,
andexcessivetemperaturecanleadtosudden
tirefailure>A\.
ThegradeCcorrespondstoalevelofperform-
ancewhichallpassengercartiresmustmeetun-
der theFederalMotorVehicleSafetyStandard
No.109.GradesBandArepresenthigher levels
ofperformanceonthelaboratorytestwheelthan
theminimumrequiredbylaw.

Z\WARNING
Thetractiongradeassignedtothistireis
basedonstraight-aheadbrakingtraction
tests,anddoesnotincludeacceleration,cor-
nering,hydroplaningorpeaktractioncharac-
teristics.

Z\WARNING
Thetemperaturegradeforthistireisestab-
lishedforatirethatisproperlyinflatedand
notoverloaded.Excessivespeed,underinfla-
tion,orexcessiveloading,eitherseparatelyor
incombination,can cause heatbuildupand
possibletirefailure.

Z\WARNING
Temperaturegradesapplytotiresthatare
properlyinflatedandnotoverorunderinflat-
ed.

Tirepressuremonitoring
system
(1)Generalnotes
Eachtire,includingthespare(ifprovided),
should becheckedmonthlywhencoldandinflat-
edtotheinflationpressurerecommendedbythe
vehiclemanufactureronthevehicleplacardor
tireinflationpressurelabel.(Ifyourvehiclehas
tiresofadifferentsizethanthesizeindicatedon>
339

Wheels

thevehicleplacardortireinflationpressurela-
bel,youshoulddeterminethepropertireinfla-
tionpressureforthosetires).
Asanaddedsafetyfeature,yourvehiclehasbeen
equippedwithatirepressuremonitoringsystem
(TPMS)thatilluminatesalowtirepressuretell-
talewhenoneormoreofyourtiresissignificant-
lyunder-inflated.Accordingly,whenthelowtire
pressuretelltaleilluminates,youshouldstopand
checkyourtiresassoonaspossible,andinflate
themtotheproperpressure.Drivingonasignifi-
cantlyunder-inflatedtirecausesthetiretoover-
heatandcanleadtotirefailure.Under-inflation
alsoreducesfuelefficiencyandtiretreadlife,
andmayaffectthevehicle'shandlingandstop-
pingability.
PleasenotethattheTPMSisnotasubstitutefor
propertiremaintenance,anditisthedriver'sre-
sponsibilitytomaintaincorrecttirepressure,
evenifunder-inflationhasnot reachedthelevel
totriggerilluminationoftheTPMSlowtirepres-
suretelltale.
YourvehiclehasalsobeenequippedwithaTPMS
malfunctionindicatortoindicatewhenthesys-
temisnotoperatingproperly.TheTPMSmal-
functionindicatoriscombinedwiththelowtire
pressuretelltale.Whenthesystemdetectsa
malfunction,thetelltalewillflashforapproxi-
matelyoneminuteandthenremaincontinuously
illuminated.Thissequencewillcontinueupon
subsequentvehiclestart-ups aslongasthemal-
functionexists.
Whenthemalfunctionindicatorisilluminated,
thesystemmaynotbeabletodetectorsignal
lowtirepressureasintended.TPMSmalfunctions
mayoccurforavarietyofreasons,includingthe
installationofreplacementoralternatetiresor
wheelsonthevehiclethatpreventtheTPMS
fromfunctioningproperly.Alwayscheckthe
TPMSmalfunctiontelltaleafterreplacingoneor
moretiresorwheelsonyourvehicletoensure
thatthereplacementoralternatetiresand
wheelsallowtheTPMStocontinuetofunction
properly.
340

Ifthetirepressuremonito
appears
Appliesto:vehicleswithTirePressureMonitoringSystemin-
dicator
gindicator
Thetirepressureindicatorintheinstrument
clusterinformsyouifthetirepressureistoolow
orifthereisasystemmalfunction.
UsingtheABSsensors,thetirepressuremonitor-
ingsystemcomparesthetiretreadcircumference
andvibrationcharacteristicsoftheindividual
tires.Ifthepressurechangesinoneormore
tires,thisisindicatedintheinstrumentcluster
displaywithanindicatorlight@andamessage.
Ifonlyonetireisaffected,thelocationofthat
tirewillbeindicated.
ThetirepressuresmustbestoredintheInfotain-
mentsystemagaineachtimethepressures
change(switchingbetweenpartialandfullload
pressure)orafterchangingorreplacinga tireon
yourvehicle>page341.Thetirepressuremoni-
toringsystemonlymonitorsthetirepressureyou
havestored.Refertothetirepressurelabelfor
therecommendedtirepressureforyourvehicle
=>page332,fig.265.
Tiretreadcircumferenceandvibrationcharacter-
isticscanchangeandcauseatirepressurewarn-
ingif:
—Thetirepressureinoneormoretiresistoolow
—Thetireshavestructuraldamage
—Thetirewasreplacedorthetirepressurewas
changedanditwasnotstored>page 341
—
Tiresthatareonlypartiallyusedarereplaced
withnewtires
Indicatorlights
@®-Lossof pressureinatleastonetire>A\.
Checkthetiresandreplaceorrepairifnecessary.
Check/correctthepressuresofallfourtiresand
storethepressureagainintheInfotainmentsys-
tem>page341.
is(TirePressureMonitoringSystem)Tirepres-
sure:malfunction!Seeowner'smanual.fi
appearsafterswitchingtheignitiononorwhile
drivingandthe(19)indicatorlightintheinstru-
mentclusterblinksforapproximatelyoneminute
andthenstayson,thereissystemmalfunction.>

Emergencyassistance

Emergencyassistance
Generalinformation
>Parkthevehicleasfaraspossiblefrommoving
trafficinthe eventofabreakdown.Intheevent
ofaflattire,parkthevehicleonalevelsurface.
Ifyouareonasteephill,beespeciallycareful.
>Set theparkingbrake.
>Switchtheemergencyflasherson.
>Havethepassengersexitthevehicle.They
shouldmovetoasafeplace,forexamplebe-
hindaguardrail.

Z\WARNING
Follow thesteps givenabove.Thisisforyour
protectionandtheforthesafetyofotherson
theroad.


Equipment
Vehicletoolkit,tiremobilitykit,and
vehiclejack
Appliesto:vehicleswiththevehicletoolkit,tiremobilitykit,
andvehiclejack
\

SMTOTAL
Fig.266Luggagecompartment:cargofloorcover
Thevehicletoolkit,vehiclejack,tiremobilitykit
andcompressorarestoredintheluggagecom-
partmentunderthecargofloorcover.
>Appliesto:sedan:Toopenthefrontcompart-
ment,liftthecargofloorcoverbythestrap(@).
>Appliesto:allroad:Toopenthefrontcompart-
ment,pullthecargofloorcoverbytheplastic
handle@)slightlytowardtherear.Lift thecar-
gofloorcoveroverthefrontcompartment.
>Toopentherearcompartment,liftthecargo
floorcoverbytheplastichandle@).
348
>Appliesto:sedan:Hooktheplastichandle(2)
intotheluggagecompartmentseal.
>Toremovethecargofloorcovercompletely,
pullittowardtherearattheplastichandle@).
>
Appliesto:vehicleswithsparetire:Turn the
handlecounter-clockwiseandremovethespare
tire.
>Appliesto:sedan:Unhookthecargofloorcover
again
beforeclosingtheluggagecompartment
lid.
Dependingonvehicleequipment,thevehicletool
kit,tiremobilitykit,andcompressormaybelo-
catedunderanothercoverthatissecuredwitha
handwheel.
Appliesto:vehicleswithvehiclejackinthestor-
agebag:Thebagwiththevehiclejackissecured
tothetie-downsintheluggagecompartment
andmustbesecuredtothetie-downsagainafter
usingit.

ZXWARNING
Appliesto:vehicleswithvehiclejackinthestoragebag
Avehiclejackthatisunsecured,incorrectlyse-
cured, ornotsecuredintheluggagecompart-
mentmayslideoutofplacewhenbraking,
turning, orinanaccident,whichincreasesthe
riskofinjuriestovehiclepassengers.Tore-
ducetheriskofanaccident,nevertransport
thevehiclejackwithoutsecuringit.

ZA\WARNING
Improperuseofthevehiclejackcan causese-
riouspersonalinjuries.
—Neverusethescrewdriverhexheadtotight-
enwheelbolts,sincetheboltscannotattain
thenecessarytighteningtorqueifyouuse
thehexhead,potentiallycausinganacci-
dent.
—Thefactory-suppliedjackisintendedonly
foryourvehiclemodel.Undernocircum-
stancesshoulditbeusedtoliftheavyvehi-
clesorotherloads;youriskinjuringyour-
self.
—Neverstarttheenginewhenthevehicleis
raised,whichcouldcauseanaccident.
—Supportthevehiclesecurelywithappropri-
atestandsifworkistobeperformed

Emergencyassistance

eeemacy
Appliesto:vehicleswithtiremobilitykit


[RAZ-0054]





Fig.269Diagram:tiremobilitykitconnection
Requirement:thetiremobilitykitmustbelaid
outandreadyforuse>page348.
Settingupthetiremobilitykit
>Openthecover@)onthecompressor)
>fig.268.
>Removetheconnector(4)andpressurehose(5)
withpressuregaugefromthehousing.
>Connectthecompressorpressurehose(5)to
theflange©onthetiresealantbottle@.
> Insertthesealantbottlewiththe flangeatthe
bottomintotheopening@)onthecompressor
cover.
>Removethevalvecapfromthefaultytire.
>Installthefillerhose@)onthevalve(7)
>fig.269.
>Connecttheplug@>fig.268toanoutletin
thevehicle.
>Switchtheignitionon.

D_Thecompressormaylookdifferent.However,thewayitis
operatedisgenerallythesame.
350
Inflatingatire
>Movetheswitch(8)>fig.269onthecompres-
sorintopositionI.
>Inflatethetiretobetween29psi(200kPA)
and36psi(250kPA)andreadthepressureon
thegauge.
>Ifthistirepressureisnotreached,removethe
fillerhose.Driveslowlyapproximately33feet
(10m)forwardorinreverseso thatthesealant
can bedistributedinthetire.Inflatethetire
again>A\.
Z\WARNING
—Readandfollowthemanufacturer'ssafety
precautionsonthecompressorandinthein-
structionsonthebottleofsealant.
—Ifatirepressureof29psi(200kPA)cannot
reachedafterinflatingfor6minutes,then
thetireistooseverelydamaged.Donotcon-
tinuedriving.
—Ifthetirecannotberepairedwiththetire
sealant,seeanauthorizedAudidealerorau-
thorizedAudiServiceFacilityforassistance.
(i)Tips
Donotoperatethecompressorformorethan
sixminutescontinuously,oritcanoverheat.
Oncethecompressorhascooled,youcancon-
tinuetouseit.
(eyaay)Clalare)
Appliesto:vehicleswithtiremobilitykit


>Affixthestickerthatsays"max.50mph(max.
80km/h)"thatisprovidedwiththetiremobili-
tykitwithinthedriver'sfieldofvision.
>Stopthevehicleafterdrivingforabout10mi-
nutesandcheckthetirepressure.
»Ifthetirepressureislowerthan19psi(130
kPA),thenthetireistooseverelydamaged.Do
notcontinuedriving.

8W0012721BG
Emergencyassistance


ZA\WARNING
Payattentiontothefollowingafterrepairing
thetire:
—Donotdrivefasterthan50mph(80km/h).
—Avoidhardacceleration,heavybraking,and
fastcornering.
— Thevehiclemaybecomemoredifficultto
control.
—Ifthetireistooseverelydamaged,seean
authorizedAudidealerorauthorizedAudi
ServiceFacilityforassistance.

()Forthesakeoftheenvironment
Youcangivetheusedtiresealantbottletoan
authorizedAudidealerorauthorizedAudi
ServiceFacilityfordisposal.
@)Tips
Remembertoobtainanewbottleofsealant
fromanauthorizedAudidealerorauthorized
AudiServiceFacilityafterrepairingatire.
Changingatire
Youmustcompletethepreparationbefore
changingatire.
>Readandfollowtheimportantsafetyprecau-
tions>page348.
>Set theparkingbrake.
Appliesto:vehicleswithmanualtransmission
>Shiftinto1stgear.
Appliesto:vehicleswithautomatictransmission
>Selectthe"P"selectorleverposition.
>Whentowingatrailer:disconnectthetrailer
fromyourvehicle.
>Layoutthevehicletoolkit>page348andthe
sparetire>page355.
>Switchtheignitionoff.
traprecautionstopreventthevehiclefrom
rolling.Usesuitableobjectstoblockthefront
andbackofthewheelthatisdiagonalfrom
thewheelwiththeflattire.


Z\WARNING
Youoryourpassengerscouldbeinjuredwhile
changingawheelifyoudonotfollowthese
safetyprecautions:
—Ifyouhaveaflattire,moveasafedistance
offtheroad.Turnofftheengine,turnthe
emergencyflashersonanduseotherwarn-
ingdevicestoalertothermotorists.
—Makesurethatpassengerswaitinasafe
place
awayfromthevehicleandwellaway
fromtheroadandtraffic.
—Tohelppreventthevehiclefrommoving
suddenlyandpossiblyslippingoffthejack*,
alwaysfullysettheparkingbrakeandblock
thefrontandbackofthewheeldiagonally
oppositethewheelbeingchanged.When
onefrontwheelisliftedoffthe ground,
placingtheAutomaticTransmissioninP
(Park)willnotpreventthevehiclefrommov-
ing.
—Beforeyouchangeawheel,besurethe
groundislevelandfirm.Ifnecessary,usea
sturdyboardunderthejack”.
—Alwaysstorethevehicletoolkit,thejack*
andthereplacedtireintheluggagecom-
partment>page64.


Z\WARNING
Whenusingthevehiclejack”onaroad witha

steephillorwhenoffroad,youmusttakeex-

(i)Tips
Obeyalllaws.
Removingthecaps
\

N
a
é
?
Fig.270Wheel:wheelboltswith caps
351

Emergencyassistance

>Slidetheplasticclipfromthevehicletoolkit
ontothe capuntilitengages>fig.270.
>Removethecapwiththeplasticclip.
Looseningthewheelbolts
©.
=
x©.a


Fig.271Wheel:looseningthewheelbolt
>Slidethewheelwrenchfromthevehicletoolkit
all
thewayontothewheelbolt.
>Turn thewheelboltapproximatelyoneturnto
theleft-arrow-.Toachievetherequiredtorque,
holdtheendofthewheelwrench.Ifthewheel
boltwillnotloosen,presscarefullyonthe
wheelwrenchwithyourfoot.Holdontotheve-
hiclesecurelywhiledoingthisandmakesure
yourfootingisstable.

Z\WARNING
To reducetheriskofanaccident,onlyloosen
thewheelboltsgentlyoneturnbeforeraising
thevehiclewiththevehiclejack*.
Raisingthevehicle


B8W-0076


Fig.272Sillpanels:markings
352


Fig.273Sill:positioningthevehiclejack
>Placethevehiclejack*fromthevehicletoolkit
onafirmsurface.Useaflat,stablesupportif
necessary.Onaslipperysurfacesuchastile,
youshoulduseanon-slippadsuchasarubber
mat>/\.
>Findthemarkingonthesillthatisclosestto
thetirethatwillbechanged>fig.272.Behind
themarking,thereisaliftingpointontheside
sillforthevehiclejack*.
>Turn thehandwheeltoraisethevehiclejack*
undertheliftingpointonthesidesilluntilthe
bracketonthejack@completelycoversthe
notchonthevehicle.
>Alignthevehiclejack*sothebracket@covers
thenotchandthebase(2)isflatontheground.
Thebase@)mustbedirectlyunderthemount-
ingpoint@.
>Mountthecrankonthevehiclejack*:insertthe
crankintotheopeningonthehandwheel.Turn
thecranktotheleftorrighttosecureit.
>Continueraisingthevehiclejack*withthecrank
untilthewheelliftsoffthegroundslightly.

ZAWARNING
—Makesurethevehiclejack*isstable.There
isariskofinjurywhenthegroundisslippery
orsoft,becausethevehiclejack*couldslide
orsink.
—Onlyraiseyourvehiclewiththevehiclejack*
providedbythefactory.Ifyouuseavehicle
jackdesignedforanothervehicle,yourvehi-
clecouldslipandcauseinjury.
—Positionthevehiclejack*onlyatthedesig-
natedmountingpointsonthesidesilland
alignthejack.Otherwise,thevehiclejack*
couldslipandcauseaninjuryifitdoesnot
havesufficientholdonthevehicle.>

Emergencyassistance

@)Note
Whenremovingorinstallingthewheel,the
rim
couldhitthebrakerotoranddamagethe
rotor.Workcarefullyandhaveasecondper-
sonhelpyou.
G)Tips
—Whenmountingtireswithunidirectional
treaddesignmakesurethetreadpatternis
pointedtherightway>page354.
— Thewheelboltsshould becleanandeasyto
turn.Checkfordirtandcorrosiononthe
matingsurfacesofboththewheelandthe
hub.Removealldirtfromthesesurfacesbe-
foreremountingthewheel.
Unidirectionaltires
Aunidirectionaltireprofileisidentifiedbyarrows
onthetiresidewallthatpointintherunningdi-
rection.Youmustalways maintain thespecified
runningdirection.Thisisnecessarytoensurethe
tire'soptimumperformanceinregardtoadhe-
sion,runningnoise,andfriction,andtoreduce
theriskofhydroplaning.
Tobenefitfullyfromtheadvantagesoftheuni-
directionaltiredesign,youshouldreplacefaulty
tiresassoonaspossibleandrestorethecorrect
runningdirectiononallofthetires.
>Reinstallthecapsonthewheelboltsifnecessa-
ry.
>Storethevehicletoolkitinitsdesignated
place.
>Iftheremovedwheeldoesnotfitinthespare
wheel well,storeitsecurelyintheluggage
compartment>page64.
>Checkthetirepressureontheinstalledwheel
assoonaspossible.
>CorrectthetirepressureandstoreitintheIn-
fotainmentsystem>page341.
>Thewheelbolttighteningspecificationmustbe
90ftlbs(120Nm).Haveitcheckeditassoon
as possiblewithatorquewrench.Drivecareful-
lyuntilthen.
354
>Havethefaultywheelreplacedasquicklyas
possible.
@)Tips
—Ifyounoticethatthewheelboltsarecor-
rodedanddifficulttoturnwhilechanginga
tire,they should bereplacedbeforeyou
checkthetighteningtorque.
—Driveatreducedspeeduntilyouhave the
tighteningtorqueschecked.
Notesonwheelchanging
Pleasereadtheinformation>page329ifyou
aregoingtouseareplacementtirewhichisdif-
ferentfromthetiresonyourvehicle.
Afteryouchangeatire:
—Checkthetirepressureonthereplacement
tireimmediatelyafterinstallation.
—Havethewheelbolttighteningtorque
checkedwithatorquewrenchassoonaspos-
siblebyyourauthorizedAudidealerorquali-
fiedworkshop.
— Withsteelandalloywheelrims,thewheel
boltsarecorrectlytightenedat atorqueof
90ftlbs(120Nm).
—
Ifyounoticethatthewheelboltsarecorroded
anddifficulttoturnwhilechangingatire,
theyshouldbereplacedbeforeyoucheckthe
tighteningtorque.
—Replacetheflattirewithanewone andhave
itinstalledonyourvehicleassoonaspossi-
ble.Remountthewheelcover.
Untilthen,drivewithextracareandatreduced
speeds.

ZAWARNING
—Ifyouaregoingtoequipyourvehiclewith
tiresorrimswhichdifferfromthosewhich
werefactoryinstalled,thenbesuretoread
theinformation>page329.
—Alwaysmakesurethedamagedwheelor
evenaflattireandthejack*andtoolkitare
properlysecuredintheluggagecompart-
mentandarenotlooseinthepassenger
compartment.>