2012 AUDI TT wheel alignment

Downloaded from www.Manualslib.com manuals search engine 208Tiresandvvheels
0:>fig.152runningacrossthetread.Depend­
ing on
themake,therewill besixtoeightof
themevenlyplacedaroundthetire. Marks on
thetiresidewall(forexample"TWI"orother
symbols)indicatethepositionsofthetread
wearindicators. Worntiresmustbereplaced.
Different
figuresmay applyinothercountries
o:>A.
Tirepressure
Incorrecttirepressurecausesprematurewear
andcancausesuddentireblow-out. Forthis
reason,tirepressuremustbecheckedatleast
once amonth0:>page204.
Drivingstyle
Drivingfastaroundcurves, heavyacceleration
and hard braking increase tirewear.
Rotatingtiresformoreevenwear
Forallfourtiresonyour vehicletohavethe
sameservice life,werecommendthatthe
frontandreartiresarerotatedaccordingto
thetiremanufacturer'ssuggestedtire rota­
tion intervals.
Pleaserememberthefollow­
ing:
- Tire
rotationintervalsmay differfromthe
vehicle service intervalsoutlinedinyour
Warranty&MaintenanceBooklet.
- The
longeronetireisusedinonelocation
onthevehicle,themoreitwearsatcertain
points;therefore,werecommendthatyou
follow
thetiremanufacturer'ssuggested
tirerotationintervals.
- Vehicles with
front-wheeldriveexperience
moretreadwearonthefrontwheelscom­
pared
toall-wheeldrive(quattro"').
- Pleaserotatetiresasshown0:>fig.153.
-Extra caremustbetakenwhenrotatingdi-
rection-specifie tires
0:>page229.
Wheelbalancing
Thewheelsonnewvehiclesarebalanced.
However, varioussituationsduringeveryday
driving can
causethemtobecomeunbal­
anced,resultinginvibrations youcanusually
feelthroughthesteeringwheel.
-----Unbalancedwheelsmustberebalancedto
avoid excessivewearonsteering,suspension
and tires. A
wheelmustalsoberebalanced
whenanewtireisinstalled.
Incorrectwheelalignment
Incorrectwheelalignmentcancauseexces­
sive tirewear, impairing
thesafetyofthevehi­
cle.Iftiresshowexcessive wear,havethe
wheelalignmentcheckedbyanauthorized
Audi
dealerorqualified workshop.
all-wheeldrive
Vehicleswithquattro"'mustalwayshavetires
ofthesamesize,constructionandtreadtype.
For
detailssee0:>page158.
.&.WARNING
Suddentire failure canleadtolossofcon­
trol,acrash andseriouspersonalinjury!
- Never driveavehicle
whenthetreadon
any tireisworn downtothewearindica­
tors.
-Worn tiresareasafetyhazard,theydo
notgrip well onwetroads andincrease
yourriskof"hydroplaning" andlossof
control.
- Always keep
chemicalsthatcancause
tiredamage,suchasgrease,oil,gasoline
andbrake fluidawayfromtires.
- Tires
ageeven iftheyarenotbeing used
andcanfailsuddenly, especiallyathigh
speeds.Tiresthataremorethan6years
old can only beused
inanemergency
andthenwith special careandatlower
speeds.
-Nevermountusedtireson your vehicleif
youarenotsureoftheir"previous histo'
ry."
Oldused tiresmayhave beendam'
agedeventhoughthedamagecannotbe
seenthatcanleadtosuddentirefailure
andlossofvehicle control. New
tiresandreplacingtiresandwheels
Newtiresandwheels
havetobebroken in.
Fig.154Tirespecification codesonthesidewall ofatire
No.Description
@Passengercartire(where applicable)
®Nominal widthoftireinmillimeters
®Ratioofheighttowidth(aspectratio)
@Radial
®Rimdiametercode
®Loadindex andspeedrating
®AudiOriginal tire
@Tireplycompositionandmaterialsused
@Maximum loadrating
@Treadwear,tractionandtemperature
grades
@Maximum permissible inflationpres­
sure
Thetiresandrimsareessentialpartsofthe
vehicle's design.Thetires andrims approved
byAudiarespeciallymatchedtothecharac­
teristics
ofthevehicleandcanmakea major
COntribution
togood roadholding andsafe
Tiresandvvheels20
handling wheningoodcondition andproperly
inflated0:>A.
Werecommendthatallwork ontires and
wheelsbeperformedbyanauthorized Audi
dealer. Theyarefamiliar with
recommended
proceduresandhavethenecessary speciaL
toolsandsparepartsaswellastheproperfa­
cilities fordisposing
oftheoLdtires.
Authorized Audi
dealershavethenecessary
information
abouttechnicalrequirementsfor
installing
orchanging tiresandrims.
ReplacingtiresandwheeLs
Tiresshould bereplacedatleastinpairsand
notindividually (forexamplebothfronttires
orbothreartirestogether).
Se sure
toread andheedtheinformationto
thetirepressuremonitoringsystem
0:>page216.
Always buyreplacementradialtiresthathave
thesamespecifications asthetiresapproved
foryourvehiclebyAudi.Replacementtires
mustalways havethesameloadrating speci­
fication
astheoriginalequipmentor approved
optionaL tireslisted
inthetableo:>page202.
Audi-approved specificationtiresarespecially
matchedtoyourvehicleanditsload limits,
andcancontributetotheimportantroadhold­
ing, driving characteristics, and
safetyofthe
vehicle.Thetable(0:>page202)listsspecifica­
tionsofthetires approved fortheAudimod­
elscoveredbyyourOwner's Literature.
The tire
pressurelabellocatedondriver'sside
S-pillar
(0:>page202,fig.151)liststhespeci­
fications
oftheoriginalequipmenttires in­
stalledonyour vehicleatthetimeitwasman·
ufactured.
Federallawrequires tiremanufacturersto
placestandardizedinformation ontheside­
wall
ofall tires0:>fig.154.This information
identifies anddescribes
thefundamental
characteristics,thequalitygradeofthetire
andalso provides atireidentificationnumber
forsafetystandardcertification andincaseof
arecall.~

Downloaded from www.Manualslib.com manuals search engine 222Whatdo1donow?
------
Whatdo1donow?223
-
Preliminarysteps
Fig.163TireMobility Systemunderluggagecompart­mentRoor
@Forthesakeoftheenvironment
Usedsealantbottlescanbedroppedoffat
arecycling facility.
~Ifyouhave aflattire,parkthevehicleasfar
aspossiblefrommovingtraffie.
~Applytheparkingbrakefirmly.
~Shiftintolstgearonvehicleswithmanual
transmission,ormovetheselectorleverta
thePpositiononveh icleswithautomatic
transmission.
~CheckwhetherarepairusingtheTire Mobi­
litYSystemispossiblec;.page222,General
andsafetypointers.
~Have allpassengersleavethevehicleand
stayawayfromthedangerzonec;.&'
~Takethesealantbottleandtheelectricair
pumpframtheluggagecompartmentun­
derthefloorc;.fig.163.
CDNote
Donotusecommerciallyavailabletire
sealants.Theelectricalcomponentsofthe
tirepressuremonitoringsystemwillno
longerworkproperly.
IDTips
-Ifsealanthasrunout,allowittodry.
Then youcan
peelitoff.
- Have
thetiresealantreplacedevery 4
yearsatadealership.
Somepreliminarystepsorenecessary fortire
repair.
Appliestovehicles: withTireMobility System
8.WARNING
Thetiresealantmustnotcomeintocon­
tactwithskin,eyesorclothing.
-Ifyougetanytiresealantinyoureyesor
comeintocontactwithit,rinsetheaf­
fectedareathoroughlywithcleanwater.
Find aphysicianimmediately!
-Changeanyclothingcontaminatedwith
tiresealantimmediately.
-Donotinhalethevapor!
-Ifyouhaveswallowedtiresealant,rinse
yourmouththoroughlyrightawayand
drinkplentyofwater.
-Donotinducevomiting!Find aphysi­
cian
immediately!
-Ifyou have allergicreactions,finda
physician
immediately.
-Keepthetiresealantawayfromchildren.
~WARNING
Takethefollowingprecautionsafterre­
pairing
thetire:
_Donotdrivefasterthan50mph(80km/
hl!
_Avoidfull-throttleacceleration,heavy
braking
andfastcornering.
_Thevehicle'sroadbehaviorcanbeaffect­
ed.
_TiressealedwithTMSareintendedonly
fortemporary,short-termuse.
_ After usingthetiresealantthetirepres­
suremonitoringsystemmaynolonger
workpraperly.Drivecarefullytothenext
professionalrepairfacility.
-
TMSmustNOTbeused,
-forcutsorpuncturesinthetirewhich
arelargerthan0.16inch(4mm)
-fordamagetotherim
-ifyouhavebeendrivingwithverylow
tirepressuresortireswithno air
-5eekprafessionalassistanceifitisnot
possibletorepairthetirewiththetire
sealant.
Fig.162Tiredamagefor whichtheTire MobilitySys­temisnotsuited
Your vehicleisequippedwithatirerepairkit,
theTireMobilitySystem(TMS)*.
In
theeventofatirefailure,theTMSisinthe
luggagecompartmentunderthefloor.ltcon­
sistsofthetiresealantandanelectricair
pump.
UsingTMS,tiredamagecausedby foreign
bodiesuptoabout0.16inch(4mm)indiam­
etercanbesealedreliably
The
foreignobjectcanstayinthetire.
Thetiresealantmustnotbeused:
Tirerepair isintendedonLyfortemporary,
short-termuse.
-Neverusethehexagonalsocketinthe
handleofthescrewdrivertoloosenor
tightenthewheelbolts.
Tirerepair
Generalandsafetypointers•
Appliestovehicles: withTireMobility System
UsingtheTMSisdescribedinthesection
c;.page223,Preliminarysteps.
TMScanbeusedattemperaturesdownto
- 4oF(-20oC).
-forcutsorpuncturesinthetirewhichare
largerthan0.16inch(4mm)c;.fig.162@
-fordamagetotherim@
-ifyou havebeendrivingwithvery lowtire
pressuresortireswithnoair@)
Whatdo1donow?
VehicLetoolkit
Theonboardtoolkitincludes:
.&.WARNING-=--Using abumperjacktoraisethevehicle
will
damagethebumpersystem.The
jackmay slip,causinginjury.
-Neversupportyourvehicleoncinder
blocks, bricksorotherÇlbjects.These
maynotbeabletosupporttheloadand
couldcauseinjurywhentheyfail.
-Neverstartorruntheenginewhilethe
vehicleissupportedbythejack.
-
Ifyoumustworkunderthevehicle, al­
ways
usesafetystandsspecificallyde­
signedforthispurpose.
Thetoots arestoredunderneaththefLoor
panetinthetuggagecompartment.
Fig.161Luggagecompartment:vehicle toolkit
~Swingtheluggagecompartmentfloorup­
wards.
~Removethevehicletoolkit.
- Hook
forremovi ngwheelcovers*
-Plastic cliptoremovewheelboltcovers*
-Wheelboltwrench
-Alignmentpinforchangingwheels
-Screwdriverwithreversibleblade
-Replacementbit(reversible Torxbitfor
changinglamps)
-Openendedwrench10x13
-Towing eye
Note:
someoftheonboarditemslistedabove
areprovidedoncertainmodelsonlyorareop­
tionalextras.

Downloaded from www.Manualslib.com manuals search engine Whatdo1donow?22!
Afteryouchangeatire:
Notesonwheelchange
andthehub. Remove alldirtfromthese
surfaces beforeremountingthewheel.
Aunidirectional tirecan be identified
byar­
rows onthesidewall, whichpointinthedirec­
tion
oftherotation.Youmustfollowthe
specified directionofrotation.Thisisnecessa­
ryin·orderforthesetirestodeveloptheirop­
timumcharacteristics regardinggrip,road
noise, wear,andhydroplaning.
Tireswith unidirectional treaddesignmustbe
mountedwiththeir tread pattern pointedthe
rightdirection.
sensorforthetirepressure monitoring
systemwillhavetobereplacedbyaquali­
fied workshop.
Tireswithunidirectionaltreaddesign
-
JCDNote
.&.WARNING
-
Ifyou aregoingtoequip yourvehicle
with tires
orrims which differfromthose
whichwerefactory installed,thenbe
sure
toreadtheinformationqpage209,
New tires andreplacing tires
and
wheels.
-AlwaysstorethetooLssecurelyinLug­
gagecompartment.Otherwise,inanac­
cident or
suddenmaneuvertheycouldfly
forward, causing
injurytopassengersin
thevehicle.
Donotusecommercially availabletire
seaLants. Otherwise,
theelectrical compo­
nentsofthetirepressure monitoring sys­
temwillnolongerworkproperly andthe
Pleasereadtheinformationqpage209,New
tires andreplacing tiresandwheels,
ifyou are
going
touse aspare tirewhichisdifferent
fromthetiresonyour vehicle.
_ Check
thetirepressureonthespareimme­
diatelyaftermounting.
- HavethewheelboIttighteningtorque
checkedwithatorquewrenchassoonas
possible byyourauthorizedAudidealeror
aqualified servicestation.
-Withsteelandalloywheelrims,thewheel
boltsarecorrectlytightenedatatorqueof
90ftlb(120Nm).
-
Ifyounoticewhitechangingatirethatthe
wheelboLtsarecorrodedanddifficultto
turn,then theyshouldbereplaced before
you check
thetighteningtorque.
-ReplacethefIattirewithanewoneand
have itinstalledonyourvehicleassoonas
possible.Remountthewheelcoyer.
Until
then,drivewithextracareandatre­
duced
speeds.
CDNote
Whenremovingorinstallingthewheel,
therim could hitthebrakerotoranddam­
agetherotor. Workcarefully andhave a
secondperson helpyou
iTips
Never usethehexagonalsocketinthehan­
dle
ofthescrewdrivertoloosenortighten
thewheelbolts.
- Pull
thereversible bladefromthescrew­
driver before youuse
thehexagonal
socketinthehandletoturnthewheel
bolts.
-
Whenmounting tireswith unidirectional
treaddesignmakesurethetreadpat­
ternispointedtheright way
qpage229.
-The wheel boltsshould beclean andeasy
toturn.Checkfordirtandcorrosion on
thematingsurfacesofboththewheel
Puttingonthewheel
~Liftthesparewheelandcarefully slideit
over
thealignmentpintoguide itinplace
q(D.
~Usethehexagonalsocketinthescrewdriver
handletoscrewinandtightenallwheel
bolts
slightly.
~Unscrewthealignmentpin andinsertand
tightentheremainingwheelbolt slightly
like
therest.
~Turnthejack handle counter-clockwise to
lower
thevehicle untilthejackisfullyre­
leased.
~Usethewheelboltwrenchtotightenall
wheelbolts firmlyqpage226.Tighten
themcrosswise,fromonebolttothe(ap­
proximately)
oppositeone,tokeepthe
wheelcentered.
~Screwthethreadedendofthealignment
pin fromthetoolkithand-tightintothe
nowvacantbolt holeqfig.172.
~Then completely unscrewtheotherwheel
boltsasdescribed above.
~Takeoffthewheelleavingthealignment
pininthebolthole.
Taking
thewheeloff
Fig.171WheeL change: usingthescrewdriverhandLe(withthebLaderemoved)toturntheboLts
Fig.
172Wheel change: aLignment pininside thetophoLe
Removingthewheel
~Usethehexagonalsocketinthescrewdriv­
erhandletocompletelyturnoutthetop­
mostwheelboltandsetitaside onacleon
surfaceqfig.171.
Follow theseinstructions step-by-step for
changing
thewheel.
- Makesurethatpassengerswaitina
safeplace awayfromthevehicle and
well away from
theroadway andtraffie.
- Make
surejack positioniscorrect, ad­
justasnecessary andthencontinueto
raisethejack.
After youhave loosened all
wheelboltsand
raised
thevehicle offtheground, performthe
followingstepstoremoveandreplacethe
wheel:
KDNote
Afloor jackorthepadsonthehoistarms
mustnotbepositionedatthepoints
shown
-arrows-.