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Tirespecifications
Knowledgeoftirespecificationsmakesiteas
ier
tochoosethecorrecttires. Radialtires
havethetirespecificationsmarked onthe
sidewall,forexample:
P245145R1795H
This
containsthefollowinginformation:
PIndicatesthetire isforpassengercars
245Nominaltirewidthinmmofthetire
fromsidewalledgetosidewalledge.In
general,thelargerthenumber,thewider
thetire
45Height/widthratioinpercent(aspectra-
tio)
R Tire
construction:Radial
17Rimdiametercode (ininches)
95Load ratingcode
HSpeedratinglettercode
XL(or"xl","EXTRALOAD",or"RF") indicates
thatthetireisa"Reinforced" oran"Extra
Load" tire
M+5 (or
"MIS")Indicatesthatthetirehas
somemudandsnowcapability
The
tirescouldalsohavetheinformationof
directionofrotation9page198.
Tiremanufacturingdate
Themanufacturingdateisalsoindicated on
thetiresidewall(possiblyonlyontheinner
sideofthewheell:
"DOT...2209..."means,forexample,that
thetirewasproducedinthe22ndweekof
2009.
Speedrating(Iettercode)
Thespeedratinglettercode onthewheelsin
dicatesthemaximumpermissibleroadspeeds
9,&.inWintertires onpage 213.
Pupto93mph(150km/hl
Qupto99mph(158km/hl
Rupto106mph(170km/hl
1)For tireswithamaximum speedcapabiUty over149mph(240km/hl,tiremanufacturerssometimesusetheletters"ZR."
SUpto110mph(180km/hl
Tupto118mph(190km/hl
Uupto124mph(200km/hl
Hupto130mph(210km/hl
V upto149mph(240km/h)l)
Zover149mph(240km/h)ll
W upto168mph(270km/h)ll
V upto186mph(298km/h)ll
Vour vehicle isnormallyfactoryequippedwith
tires,whichpossessexcellentdriving charac
teristicsandgiveyour Audioptimumdriving
comfort.Anelectronicspeedlimiter
9page33willnormallypreventyour vehicle
fromgoingfasterthanthetirespeedrating
9,&..
U.5.DOTTireIdentificationNumber(TIN)andtiremanufacturedate
Thisisthetire's"serialnumber".Itbegins
withtheletters"DOT"andindicatesthatthe
tire
meetsallfederalstandards.The next two
numbersorlettersindicatetheplantwhereit
wasmanufactured,andthelastfournumbers
representtheweekandyearofmanufacture.
For
example,thenumbers2209meanthat
thetirewasproducedinthe22ndweekof
2009.Theothernumbersaremarketingco
desthatmay ormaynotbe usedbythetire
manufacturer.Thisinformationisusedtocon
tactconsumersifatiredefectrequires are
call.
AudiOriginaltire
Tires withtheidentification"AO"or"RO"have
beenspeciallymatchedwithyour Audi.We
recommendusing onlythesetiresbecause
theymeetthehigheststandardsregarding
safetyanddrivingcharacteristicswhen used
correctly. Vour
authorizedAudidealerwill
gladly provide youwith
moreinformation.
Tire
plycompositionandmaterialsused
Thenumberofpliesindicatesthenumberof
layers
ofrubber-coatedfabricinthetire.In~
--general,thegreaterthenumberofplies,the
oreweighta tire cansupport.Tiremanufac
rnrsalsomustindicatethematerialsintheture
. e which includesteel,nylon, polyester,andtir,
others.
MaximumLoadRating
Thisnumberindicatesthemaximumloadin
kilogramsandpoundsthatcanbecarriedby
thetire.
Tire
qualitygradingfortreadwear,traction,andtemperatureresistance
Tread wear,tractionandtemperaturegrades
Qpage212.
MaximumPermissibleInflationPressure
Thisnumberisthegreatestamountofair
pressure
thatshouldever beputinthetire
under
normaldriving conditions.
WARNING
-Usingincorrectorunmatchedtiresand/
or
wheelsorimpropertireandwheel
combinationscan leadtolossofcontrol,
collisionandseriouspersonalinjury.
- Always
usetires, rimsandwheelbolts
thatmeetthespecificationsoforiginal
factory-installed
tiresorothercombina
tionsthathavebeenspecifically ap
proved by
thevehiclemanufacturer.
-Tiresageeveniftheyarenotbeingused
and canfailsuddenly, especially
athigh
speeds.Tiresthataremorethan6years
oldcan onlybeusedinanemergency
andthenwith special careandatlower
speeds.
-Nevermountusedtiresonyourvehicle if
you
arenotsureoftheir"previous histo
ry."Oldusedtiresmayhavebeendam
agedeventhoughthedamagecannotbe
seenthatcanleadtosuddentirefailure
and loss
ofvehicle control.
-Allfourwheelsmustbefittedwithradial
tires
ofthesametype, size(rolling cir
cumference)
andthesametreadpattern.
Drivingwithdifferenttiresreducesvehi-
dehandlingandcan leadtoalossofcontrol.
-
Ifthesparetire isnotthesameasthe
tiresthataremountedonthevehide
forexamplewithwintertires-onlyuse
thesparetireforashortperiodoftime
anddrive withextracare.Refitthenor
malroadwheelassoonassafely possi
ble.
- Never drive
fasterthanthemaximum
speedforwhichthetiresonyour vehicle
areratedbecausetiresthataredriven
fasterthantheirratedspeedcanfail
5uddenly.
- Overloading
tirescauseheatbuild-up,
suddentire failure, including ablowout
andsuddendeflationandlossofcontrol.
-
Temperaturegradesapplytotiresthat
areproperlyinflatedandnotoverorun
derinflated.
- Fortechnicalreasonsitisnotalways
possible
tousewheelsfromothervehi
cles -
insomecasesnotevenwheels
fromthesamevehicle model.
-
Ifyouinstallwheeltrimdiscs ontheve
hicle
wheels,makesurethattheair flow
tothebrakes isnotblocked. Reducedair
flow
tothebrakescanthemtooverheat,
increasingstoppingdistancesandcaus
ing acollision.
- Run
flattiresmay only beused onvehi
cles
thatwereequippedwiththematthe
factory. Thevehiclemusthave achassis
designedforrunflattiresandafactory
installedtirepressuremonitoringsys
temthatindicatesa lossoftirepressure.
Incorrectuseofrunflattirescan leadto
vehicledamageoraccidents. Checkwith
anauthorizedAudidealerortire special
ist
toseeif your vehicle canbeequipped
withrunflattires.Ifrunflattiresare
used,theymustbeinstalledonallfour
wheels.Mixingtiretypesisnotpermit-
~.~
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-.