
80A012721BG
Wheels
Glossaryoftireandloading
terminology
Accessoryweight
meansthecombinedweight(in
excessofthosestandarditems
whichmaybereplaced)ofauto-
matictransmission,powersteer-
ing,powerbrakes,powerwin-
dows,powerseats,radio,and
heater,totheextentthatthese
itemsareavailableasfactory-in-
stalledequipment(whetherin-
stalledornot).
Aspectratio
meanstheratioofthe heightto
thewidthofthetireinpercent.
Numbersof55orlowerindicatea
lowsidewallforimprovedsteer-
ingresponseandbetteroverall
handlingondrypavement.
Bead
meansthepartofthetirethatis
madeofsteelwires,wrappedor
reinforcedbyplycordsandthatis
shapedtofittherim.
Beadseparation
meansabreakdownofthebond
betweencomponentsinthebead.
Cord
meansthestrandsformingthe
pliesinthetire.
Coldtireinflationpressure
meansthetirepressurerecom-
mendedbythevehiclemanufac-
turerforatireofadesignated
sizethathasnotbeendrivenfor
morethanacoupleofmiles(kilo-
meters)atlowspeedsinthethree
hourperiodbeforethetirepres-
sureismeasuredoradjusted.
Curbweight
meanstheweightofamotorve-
hiclewithstandardequipmentin-
cludingthemaximumcapacityof
fuel,oil,andcoolant,aircondi-
tioningandadditionalweightof
optionalequipment.
Extraloadtire
meansatiredesignedtooperate
athigherloadsandathigherin-
flationpressuresthanthecorre-
spondingstandardtire.Extraload
tiresmaybeidentifiedas“XL”,
“xL’,“EXTRALOAD”,or“RF”on
thesidewall.
327

Wheels
GrossAxleWeightRating
(“GAWR”)
meanstheload-carryingcapacity
ofasingleaxlesystem,measured
atthetire-groundinterfaces.
GrossVehicleWeightRating
(“GVWR”)
meansthemaximumtotalloaded
weightofthevehicle.
Groove
meansthespacebetweentwoad-
jacenttreadribs.
Loadrating(code)
meansthemaximumloadthata
tireisratedtocarryforagivenin-
flationpressure.Youmaynotfind
thisinformationonalltiresbe-
causeitisnotrequiredbylaw.
Maximumloadrating
meanstheloadratingforatireat
themaximumpermissibleinfla-
tionpressureforthattire.
Maximumloadedvehicle
weight
meansthesumof:
(a)Curbweight
(b)Accessoryweight
(c)Vehiclecapacityweight,and
(d)Productionoptionsweight
328
Maximum(permissible)
inflationpressure
meansthemaximumcoldinfla-
tionpressuretowhichatiremay
beinflated.Alsocalled“maxi-
muminflationpressure.”
Normaloccupantweight
means150lbs.(68kilograms)
timesthenumberofoccupants
seatedinthevehicleuptotheto-
talseatingcapacity ofyourvehi-
cle.
Occupantdistribution
meansdistributionofoccupants
inavehicle.
Outerdiameter
meanstheoveralldiameterofan
inflatednewtire.
Overallwidth
meansthelineardistancebe-
tweentheexteriorsoftheside-
wallsofaninflatedtire,including
elevationsduetolabeling,deco-
rations,orprotectivebandsor
ribs.
Ply
meansalayerofrubber-coated
parallelcords.

80A012721BG
Wheels
Productionoptionsweight
meansthecombinedweightof
thoseinstalledregularproduction
optionsweighingover5lbs.
(2.3kg)inexcessofthosestand-
arditemswhichtheyreplace,not
previouslyconsideredincurb
weightoraccessoryweight,in-
cludingheavy dutybrakes,ride
levelers,roofrack,heavyduty
battery,andspecialtrim.
Radialplytire
meansapneumatictireinwhich
theplycordsthatextendtothe
beadsarelaidatsubstantially
90degreestothecenterlineof
thetread.
Recommendedinflation
pressure
see>page327,Coldtireinfla-
tionpressure.
Reinforcedtire
meansatiredesignedtooperate
athigherloadsandathigherin-
flationpressuresthanthecorre-
spondingstandardtire.Rein-
forcedtiresmaybeidentifiedas
“XL”,“xl”,“EXTRALOAD”,or“RF”
onthesidewall.
Rim
meansametalsupportforatire
oratireandtubeassemblyupon
whichthetirebeadsareseated.
Rimdiameter
meansnominaldiameterofthe
beadseat.Ifyouchangeyour
wheelsize,youwillhavetopur-
chasenewtirestomatchthenew
rimdiameter.
Rimsizedesignation
meansrimdiameterandwidth.
Rimwidth
meansnominaldistancebetween
rimflanges.
Sidewall
meansthatportionofatirebe-
tweenthetreadandbead.
Speedrating(lettercode)
meansthespeedatwhichatireis
designedtobedrivenforextend-
edperiodsoftime.Theratings
rangefrom93mph(150km/h)
to186mph(298km/h)>table
onpage325.Youmaynotfind
thisinformationonalltiresbe-
causeitisnotrequiredbylaw.
Thespeedratinglettercode,
whereapplicable,ismoldedon
thetiresidewallandindicatesthe>
329

80A012721BG
Wheels
bythetiremanufacturer.Thisin-
formationisusedtocontactcon-
sumers
ifatiredefectrequiresa
recall.
Vehiclecapacityweight
meanstheratedcargoandlug-
gageloadplus150lbs.(68kilo-
grams)timesthevehicle'sdesig-
natedseatingcapacity.
Vehiclemaximumloadonthe
tire
meansthatloadonanindividual
tirethatisdeterminedbydistrib-
utingtoeachaxleitsshareofthe
maximumloadedvehicleweight
anddividingbytwo.
Vehiclenormalloadonthetire
meansthatloadonanindividual
tirethatisdeterminedbydistrib-
utingtoeachaxleitsshareofthe
curbweight,accessoryweight,
andnormaloccupantweight(dis-
tributedinaccordancewith>ta-
bleonpage336)anddividingby
two.
Occupantloadinganddistri-
butionforvehiclenormalload
forvariousdesignatedseating
capacities
Refertothetireinflationpressure
label>page334,fig.267forthe
numberofseatingpositions.Re-
fertothetable>tableon
page336forthenumberofpeo-
plethatcorrespondtothevehicle
normalload.
Newtiresorwheels
Audirecommendshavingallwork
ontiresorwheelsperformedby
anauthorizedAudidealerorau-
thorizedAudiServiceFacility.
Thesefacilitieshavethe proper
knowledgeandareequippedwith
therequiredtoolsandreplace-
mentparts.
>Newtiresdonotyethavethe
optimumgrippingproperties.
Drivecarefullyandatmoderate
speedsforthefirst350miles
(500km)withnewtires.
>Onlyusetireswiththesamede-
sign,size(rollingcircumfer-
ence),andas close tothesame
treadpatternas possibleonall
fourwheels.
>Donotreplacetiresindividually.
Atleastreplacebothtiresonthe
sameaxleatthesametime.
>Audirecommendsthatyouuse
AudiOriginalTires.Ifyouwould
liketousedifferenttires,please
notethatthetiresmayperform>
331

Wheels
followthetirepressurestickerThefollowingtablelistsrecom-
>page334,fig.266.mendedtirepressuresincold
tiresaccordingtotheloadand
Makesurethatthetiredesigna-
thesizeofthetiresinstalled.
tiononyourtirematchesthedes-
ignationonthetirepressurelabel
andthetirepressuretable.
Model/TiredesignationTirepressure
EngineNormalloadMaximumload
(upto3people)®)
FrontRearFrontRear
Pst|kPA|PSI|kPA|PSI|kPA|PSI|kPA
Q5:235/60R18103H|29|200|29|200|35|24038|260
2.0L235/55R19101H|29|200|29|200|33|230]36|250
4-cylinder255/45R20101H|29|200|29|200|33|230|36|250
Gasolineen-
alii255/45R20101W|29|200|29|200|32|220]35|240
255/40R21102Y|32|220|32|220|32|220]35|240
SQ5:255/45R20101H|33|230|30|210|36|250)36|250
3.0L255/45R20101W|36|250|33|230|41|280]44|300
S-cylinder255/40R21102Y|33|230|33|230|36|250|39|270
gasolineen-
gine
a)Twopeopleinthefront,onepersonintherear
Overloadingcannotonlyleadto
lossofvehiclecontrol,butcanal-
sodamageimportantpartsofthe
vehicleandcanleadtosudden
tirefailure,includingablowout
andsuddendeflationthatcan
thhicleth.
Tiresandvehicleloadlimitsee
Yoursafetyandthatofyourpas-
sengersalsodependsonmaking
surethatloadlimitsarenotex-
ceeded.Vehicleloadincludesev-
erybodyandeverythinginand on
thevehicle.Theseloadlimitsare >
Z\WARNING
Pleasenotetheimportantsafe-
typrecautionsregardingtire
pressure>page334andload
limits>page336.
Therearelimitstotheamountof
loadorweightthatanyvehicle
andanytirecancarry.Avehicle
thatisoverloadedwillnothandle
wellandismoredifficulttostop.
336

80A012721BG
Wheels
technicallyreferredtoasthevehi-
cle’sGrossVehicleWeightRating
(“GVWR”).
The“GVWR”includestheweight
ofthebasicvehicle,allfactoryin-
stalledaccessories,afulltankof
fuel,oil,coolantandotherfluids
plusmaximumload.Themaxi-
mumloadincludesthenumberof
passengersthatthevehicleisin-
tendedtocarry(“seatingcapaci-
ty”)withanassumedweightof
150lbs.(68kg)foreachpassen-
geratadesignatedseatingposi-
tionandthetotalweightofany
luggageinthevehicle.Ifyoutow
atrailer,theweightofthetrailer
hitchandthetongueweightof
the loadedtrailermustbeinclud-
edaspartofthevehicleload.
TheGrossAxleWeightRating
(“GAWR”)isthemaximumload
thatcanbeappliedateachofthe
vehicle’stwoaxles.
Thefactthatthereisanupper
limittoyourvehicle’sGrossVehi-
cleWeightRatingmeansthatthe
totalweightofwhateverisbeing
carriedinthevehicle (including
theweightofatrailerhitchand
thetongueweightofthe loaded
trailer)islimited.Themorepas-
sengersinthevehicle orpassen-
gerswhoareheavierthanthe
standardweightsassumedmean
thatlessweightcanbecarriedas
luggage.
TheGrossVehicleWeightRating
andtheGrossAxleWeightRating
arelistedonthesafetycompli-
ancestickerlabellocatedonthe
driver’ssideB-pillar.
Z\WARNING
Overloadingavehiclecancause
lossofvehiclecontrol,acrash
orotheraccident,seriousper-
sonalinjury,andevendeath.
—Carryingmoreweightthan
yourvehiclewasdesignedto
carrywillpreventthevehicle
fromhandlingproperlyandin-
creasetheriskofthelossof
vehiclecontrol.
—Thebrakesonavehiclethat
hasbeenoverloadedmaynot
beabletostopthevehicle
withinasafedistance.
—Tiresonavehiclethathas
beenoverloadedcanfailsud-
denly,includingablowoutand
suddendeflation,causingloss
ofcontrolandacrash.
—Alwaysmakesurethattheto-
talloadbeingtransported-
337

Wheels
includingtheweightofatrail-
erhitchandthetongue
weightofaloadedtrailer-
doesnotmakethevehicle
heavierthanthevehicle’s
GrossVehicleWeightRating.
Determiningcorrectload
limit
Usetheexamplebelowtocalcu-
latethetotalweightofthepas-
sengersandluggageorother
thingsthatyouplantotransport
sothatyoucanmakesurethat
yourvehiclewillnotbeoverload-
ed.
StepsforDeterminingCorrect
LoadLimit
1.Locatethestatement“THE
COMBINEDWEIGHTOFOCCU-
PANTSANDCARGOSHOULD
NEVEREXCEEDXXXKGORXXX
LBS”onyourvehicle’splacard
(tireinflationpressurelabel)
=>page334,fig.267.
2.Determinethecombined
weightofthedriverandpas-
sengersthatwillberidingin
yourvehicle.
3.Subtractthecombinedweight
ofthedriverandpassengers
from“XXX”kilogramsor“XXX”
338
poundsshownonthestick-
er>page334,fig.267.
.Theresultingfigureequalsthe
availableamountofcargoand
luggageloadcapacity.Forex-
ample,ifthe“XXX”amount
equals1400lbs.andtherewill
befive150lbs.passengersin
yourvehicle,theamountof
availablecargoandluggage
loadcapacityis650lbs.
(1400-750(5x150)=650
lbs.)
.Determinethecombined
weightofluggageandcargo
beingloadedonthevehicle.
Thatweightmaynotsafelyex-
ceedtheavailablecargoand
luggageloadcapacitycalculat-
edinStep4.
.Ifyourvehiclewillbetowinga
trailer,loadfromyourtrailer
willbetransferredtoyourvehi-
cle.Consultthismanualtode-
terminehowthisreducesthe
availablecargoandluggage
loadcapacityofyourvehicle.
>Checkthetiresidewall
(=page325,fig.264)todeter-
minethedesignatedloadrating
foraspecifictire.

Emergencysituations
Raisingthevehicle
Liftingwithworkshophoistandwithfloor
jack
Thevehiclemayonlybeliftedatthelifting
pointsillustrated.
B4M-0220
8
S|
==a
Fig.290Rearliftingpoint
>ReadandheedWARNING>A\.
>Locateliftingpoints>fig.289and©fig.290.
>Adjustliftingarmsofworkshophoistorfloor
jack tomatchvehicleliftingpoints.
> Insertarubberpadbetweenthefloorjack/
workshophoistandtheLiftingpoints.
Ifyoumustliftyourvehiclewithafloorjackto
workunderneath,besurethevehicleissafely
supportedonstandsintendedforthispurpose.
Frontliftingpoint
Theliftingpointislocatedonthefloorpanrein-
forcementaboutatthesamelevelasthejack
mountingpoint>fig.289.Donotliftthevehi-
cleattheverticalsillreinforcement.
Rearliftingpoint
Theliftingpointislocatedontheverticalrein-
forcementofthelowersillfortheonboardjack
>fig.290.
366
Liftingwithvehiclejack
Referto>page353.
Z\WARNING
—Toreducetheriskofseriousinjuryandvehi-
cledamage.
—Alwayslift thevehicleonlyatthespecial
workshophoistandfloorjackliftpointsil-
lustrated>fig.289and>fig.290.
—Failuretoliftthevehicleatthesepoints
couldcausethevehicletotiltorfallfroma
liftifthereisachangeinvehicleweight
distributionandbalance.Thismighthap-
pen,forexample,whenheavycomponents
suchastheengineblockortransmission
areremoved.
—Whenremovingheavycomponentslike
these,anchorvehicletohoistoraddcorre-
spondingweightstomaintainthecenter of
gravity.Otherwise,thevehiclemighttiltor
slipoffthehoist,causingseriouspersonal
injury.
@)Note
—BeawareofthefollowingpointsbeforeLift-
ingthevehicle:
—Thevehicleshouldneverbeliftedor
jackedup fromunderneaththeengineoil
pan,thetransmissionhousing,thefront
orrearaxleorthebodysidemembers.
Thiscouldleadtoseriousdamage.
—Toavoiddamagetotheunderbodyor
chassisframe,arubberpadmustbein-
sertedbetweenthefloorjackandthelift
points.
—Beforedrivingoveraworkshophoist,
checkthatthevehicleweightdoesnot
exceedthepermissibleliftingcapacity of
thehoist.
—Beforedrivingoveraworkshophoist,en-
surethatthereissufficientclearancebe-
tweenthehoistandlowpartsoftheve-
hicle.