Page 258 of 312

Wheels
Becausethesparetire®isdiffer-
entfromtheregulartiresinstal-
ledonthevehicle(suchaswinter
tiresorwidetires),onlyusethe
sparetire*temporarilyincaseof
emergencyanddrivecarefully
whileitisinuse.Itshouldbere-
placedwitharegulartireassoon
aspossible.
Appliesto:vehicleswithallwheel
drive: Allfourwheelsmustbe
equippedwith tiresthatarethe
samebrandandhavethesame
constructionandtreadpatternso
thatthedrivesystemisnotdam-
agedbydifferentwheelspeeds.
Forthisreason,incase ofemer-
gency,onlyuseasparetire*that
isthesamecircumferenceasthe
regulartires.
Z\WARNING
—Onlyusetire/rimcombina-
tionsandsuitablewheelbolts
thathavebeenapprovedby
Audi.Otherwise,damageto
thevehicleandanaccident
couldresult.
—Fortechnicalreasons,itisnot
possibletousetiresfromoth-
ervehicles.Insomecases,you
cannotevenusetiresfromthe
samevehiclemodel.
—Makesurethatthetiresyou
selecthaveenoughclearance
tothevehicle.Replacement
tiresshouldnotbechosen
simplybasedonthenominal
size,becausetireswithadif-
ferentconstructioncandiffer
greatlyeveniftheyarethe
samesize.Ifthereisnot
enoughclearance,thetiresor
thevehiclecanbedamaged
andthiscanreducedriving
safetyandincreasetheriskof
anaccident.
—Onlyusetiresthataremore
thansixyearsoldwhenabso-
lutelynecessaryanddrive
carefullywhendoingso.
—Donot userun-flattireson
yourvehicle.Usingthemwhen
notpermittedcanleadtove-
hicledamageoraccidents.
—Ifyouinstallwheelcoverson
thevehicle,makesuretheyal-
lowenoughaircirculationto
coolthebrakesystem.Ifthey
donot,thiscouldincreasethe
riskofanaccident.
256
Page 265 of 312

8S1012721BA
Wheels
Wheelboltsandrims
Wheelbolts
Wheelboltsmustbecleanandloosen/tighten
easily.
Rims
Rimswithaboltedrimring*orwithboltedwheel
covers*consistofmultiplepieces.Thesecompo-
nentswereboltedtogetherusingspecialbolts
andaspecialprocedure.Youmustnotrepairor
disassemblethem>A.
Z\WARNING
Wheelboltsthataretightenedorrepairedin-
correctlycanbecomelooseandresultinloss
ofvehiclecontrol,whichincreasestheriskof
anaccident.Forthecorrecttighteningspecifi-
cation,see>page282,Finishing.
—Alwayskeepthewheelboltsandthethreads
inthewheelhubcleanandfreeofgrease.
—Onlyusewheelboltsthatfittherim.
—Alwayshavedamagedrimsrepairedby an
authorizedAudidealerorauthorizedAudi
ServiceFacility.Neverrepairordisassemble
rimsyourself,becausethisincreasestherisk
ofanaccident.
Wintertiressignificantlyimprovethevehicle's
handlingwhendrivinginwinterconditions.Be-
causeoftheirconstruction(width,compound,
treadpattern),summertiresprovidelesstraction
oniceandsnow.
>Usewintertiresonallfourwheels.
>Onlyusewintertiresthatareapprovedforyour
vehicle.
>Pleasenotethatthemaximumpermitted
speedmaybelowerwithwintertires>A\in
Generalinformationonpage248.Anauthor-
izedAudidealerorauthorizedAudiServiceFa-
cilitycan informyouaboutthemaximumper-
mittedspeedforyourtires.
»Checkthetirepressureafterinstallingwheels
=>page258.
Theeffectiveness ofwintertiresisreducedgreat-
lywhenthetreadisworndowntoadepthof
0.157in(4mm).Thecharacteristicsofwinter
tiresalsodecreasegreatly asthetireages,re-
gardlessoftheremainingtread.
@)Forthesakeoftheenvironment
Reinstallsummertiresattheappropriate
time,becausetheyprovidebetterhandling
whenroadsarefreeofsnowandice.Summer
tirescauselessroadnoise,tirewear,andfuel
consumption.
@)Tips
Youcanalsouseallseasontiresinsteadof
wintertires.Pleasenotethatinsomecoun-
trieswherewintertiresarerequired,onlywin-
tertireswiththe4symbolmaybepermit-
ted.
Snowchainsimprovebothdrivingandbrakingin
winterroadconditions.
>Onlyinstallsnowchainsonthefrontwheels.
>Checkandcorrecttheseatingofthesnow
chainsafterdrivingafewfeet,ifnecessary.Fol-
lowtheinstructionsfromthemanufacturer.
>Notethemaximumspeedof30mph
(50km/h).Observethelocalregulations.
Useofsnowchainsisonlypermittedwithcertain
rim/tirecombinationsduetotechnicalreasons.
CheckwithanauthorizedAudidealerorauthor-
izedAudiServiceFacilitytoseeifyoumayuse
snowchains.
Youmustremovethesnowchainsonroadswith-
outsnow.Otherwise,youcouldimpairdriving
abilityanddamagethetires.
ZA\WARNING
Usingincorrectsnowchainsorinstallingsnow
chainsincorrectlycanresultinlossofvehicle
control,whichincreasestheriskofanacci-
dent.>
263
Page 283 of 312

8S1012721BA
Emergencyassistance
pointsonthesidesill.Otherwise,yourvehicle
couldbedamaged.
Removingandmountingawheel
@g + ~
roo}oO
B8K-1477
Fig.204Wheel:alignmentpininthetophole
Removingawheel
>Removethetopwheelboltcompletelyusing
the hexsocketinthescrewdriverhandlefrom
thevehicletoolkit>fig.203andplaceitona
cleansurface.
>Theninstallthealignmentpinfromthevehicle
toolkitbyhandintheemptywheelbolthole
>fig.204”),
>Removetherestofthewheelbolts.
>»Removethewheel>().Thealignmentpinre-
mainsintheholewhiledoingthis.
Installingawheel
Readthedirectionson>page281wheninstal-
lingunidirectionaltires.
>Slidethewheelonoverthealignmentpin>@.
DAppliesto:vehicleswithceramicbrakerotors*:Usea sec-
ondalignmentpin*fromthevehicletoolkitforthelowest
holeaccordingtothestepsdescribedforthefirstalign-
mentpin.
>Installthewheelboltsandtightenthemgently
usingthehexsocket.
>Removethealignmentpinandtightenthere-
mainingwheelbolt.
>Carefullylowerthevehicleusingthevehicle
jack*.
>
Tightenthewheelboltsinadiagonalpattern
usingthewheelwrench.
The wheelboltsmustbecleanandloosenand
tighteneasily.Checkthecontactsurfacesforthe
wheelandhub.Contaminantsonthesesurfaces
mustberemovedbeforeinstallingthewheel.
ZXWARNING
—Readandfollowtheimportantinformation
andnotesunder>page255.
—Neveruse the hexsocketinthescrewdriver
handletotightenthewheelbolts.Usingthe
hex
socketwillnotachievetherequired
tighteningtorque,whichincreasestherisk
ofanaccident.
CG)Note
Whenremovingorinstallingthe wheel, the
rimcouldhitthebrakerotoranddamagethe
rotor.Workcarefullyandhaveasecondper-
sonhelp you.
Unidirectionaltires
Aunidirectionaltireprofileisidentifiedbyarrows
onthetiresidewallthatpointintherunningdi-
rection.Youmustalways maintainthespecified
runningdirection.Thisisnecessarytoensurethe
tire'soptimumperformanceinregardtoadhe-
sion,runningnoise,andfriction,andtoreduce
theriskofhydroplaning.
Tobenefitfullyfromtheadvantagesoftheuni-
directionaltiredesign,youshouldreplacefaulty
tiresassoonaspossibleandrestorethecorrect
runningdirectiononallofthetires.
281