-~_T_ ir_e_ s_ a_ n_ d_ w_ h_e_ e_ ls _______________________________________________ _
Tires and wheels
Tires
General notes
Tires may be the least appreciated and most abused
parts of a motor vehicle.
T ir es may be the least apprec iated and most abused pa rts of a moto r
vehicle. Tires are, however, one of the most important parts of a
veh icle, parti cularly conside ring the comparative ly small patch of
rubber on eac h tire that assu res that all- important co ntact between
you , your ve hicle and the road .
Ma inta in ing t he correct t ire pressu re, making s ure that your veh icle
and i ts tires do not have to carry more weight than they can safely
hand le, avoid ing damage from road ha za rds and reg ula rly inspect ing
tires for damage incl ud ing c uts, s lashes irregular wea r and overall
condi tion are the mos t important th ings that you can do to help avoi d
sudden tire fa ilure includ ing t read separation and blowouts .
Avoiding damage
If you have to drive over a curb or sim ilar obstacle, drive very s lowly
and as close as poss ible at a right angle to the cu rb .
Always keep chemicals including grease, oil , gasoline and bra ke fl uid
o ff the t ires .
Inspect the ti res regularly for damage (cuts, crac ks o r bl ist ers, e tc .).
Remove any foreign bodies embed ded in the trea ds.
Storing tires
M ar k tires when yo u remove t hem to indica te the d irect ion of rota
tion . This ens ures yo u to be able to mo unt them co rrectly whe n you
re insta ll them.
Wh en r emoved, t he wheels or tires s hould be sto red in a c ool, dry and
preferably da rk p lace. Sto
re tires in a ver tica l pos it ion if they a re not mounted on rims, in a
hor izonta l position if they are mo unted on r ims.
New tires
N ew tires have to be bro ken in~ & .
Th e tread dep th of new tires may v ary, ac cor ding to t he type an d
make of t ire and the tread pattern.
Hidden damage
Dama ge to t ires and rims is often not readi ly visible . If yo u notice
unusu al v ib rat ion o r the veh icle pulls to one sid e, t his may i ndicate
that one of the tires has been damaged. The tires must be c hecke d
i m medi ately by an a uthor ized A udi deale r or quali fied w or ksh op .
Unidirectional tires
A u nidirectional tire can be identified by arrows on the sidewall, that
point in the d irect io n the tire is des igned to rotate. Yo u m ust follow
t he s peci fied dire ction of ro tation . T his is nece ssary so th at t hese
tires can develop the ir optimum c haracter istics regarding gr ip, road
noise, we ar and hy dropl aning res istance. For more informa tion
~page 344 .
& WARNING
New tires or tires that are old , worn or damaged cannot provide
maximum control and braking ability.
• New tires tend to be slippery and must be broken in. To reduce
the risk of losing control, a collision and serious personal injuries, drive with special care for the first 350 miles (560 km) .
• Driving with worn or damaged tires can lead to loss of control,
sudden tire failure , including a blowout and sudden deflation ,
crashes and serious personal injuries. Have worn or damaged tires
replaced immediately. .,_
Tires and wheels -________________ fWII
& WARNING (co ntinued )
• Tires age even if they are not be ing used and can fail suddenly ,
e specially at high speeds . Tires that are more than 6 year s old can
only be used in an emergency and then with special care and at low
s peed .
Glossary of tire and loading terminology
Accessory weight
means the combined weigh t (in excess of those sta ndard items wh ich
may be replaced) of automatic transmission, power steer ing, power
bra kes, powe r win dows, power sea ts, radio, and heate r, to the exte nt
that these items are available as factory-insta lled equipment
(whet her i ns ta lled or no t).
Aspect ratio
means the r atio of t he he ight to t he widt h of the t ire in percent.
N umbers of 55 or lower indicate a low sidewa ll for improved steer ing
res ponse and bet ter over all h andling on dry p avemen t.
Bead
means the part of the t ire that is made of stee l wi res, w rapped or
re in forced by ply cords and that is shaped to fit the rim.
Bead separation
means a brea kdown of the bond between components in the bead.
Cord
means the st rands forming the plies in the ti re.
Safety first
& W ARNING (co ntinued )
• Never mount u sed tires on your vehicle if you are not sure of
their "previous history ." Old u sed tires may have been damaged
eventhoughthedamagecannotbeseenthatcanleadtosudden
tire failure and loss of vehicle control.
• If you notice unusual vibr ation or if the vehicle pulls to one side
when driving, always stop as soon as it is safe to do so and check
the wheels and tires for damage. •
Cold tire inflation pressure
means the t ire pressu re recom mended by the vehicle manufa ctu rer
for a tire of a desig nate d size that has not been driven for more than
a couple of m iles ( kilomete rs) a t low speeds in the t hree hour per io d
before the tire pressu re is measured or adjusted.
Curb weight
means the weight of a moto r vehicle wit h standard equipment
incl uding the max imum ca pac it y of fue l, o il, and coo lan t, air condi
tioning and additiona l weig ht of optional eq uipment.
Extra load tire
means a tire design to operate at higher loads and at higher inflat ion
pressures than t he co rresponding sta ndard t ire. Extra load tires may
be identif ied as "XL", "xl", "EXTRA LOAD", or "RF" on the sidewa ll.
Gross Axle Weight Rating ( "GAWR ")
means the loa d-carrying capac ity of a sing le ax le system, measure d at
the t ire-grou nd interfaces.
Gross Vehicle Weight Rating ("GVWR")
mea ns the maximum tota l loaded we ig ht of the vehicle .
Vehicle care Technical data
________________________________________________ T_i_re _ s_ a _ n_d_ w_ h_ e_ e_l_s __ nn
Sidewall
means that portion of a tire between the tread and bead.
Speed rating (letter code)
means the speed at which a tire is designed to be driven for extended
periods of time. The ratings range from 93 mph (150 km/h) to 186
mph (298 km/h)=>
page 32 7. You may not find this information on
all tires because it is not required by law .
The speed rating letter code, where applicable, is molded on the tire
sidewall and indicates the max imum permissible road speeds=>
& in
"Winter tires" on
page 330.
Tire pressure monitoring system
means a system that detects when one or more of a vehicle's tires are
underinflated and illuminates a low tire pressure warning telltale.
Tread
means that portion of a tire that comes into contact with the road.
Tread separation
means pulling away of the tread from the tire carcass .
Treadwear indicators (TWI)
means the projections within the principal grooves designed to give a
visual indication of the degrees of wear of the tread. See=>
page 324,
"Tread Wear Ind icator (TWI)" for more information on measuring
tire wear.
Uniform Tire Quality Grading
is a tir e information system developed by the United States National
Highway Traffic Safety Administration (NHTSA) that is designed to
help buyers make relative comparisons among tires. The UTQG is not
a safety rating and not a guarantee that a tire will last for a prescribed
number of miles (kilometers) or perform in a certain way. It simp ly
gives tire buyers additional information to combine with other
considerations, such as price, brand loyalty and dealer recommenda
tions. Under UTQG, tires are graded by the tire manufacturers in three
Safety first
areas: treadwear, traction, and temperature resistance . The UTQG
information on the tires, molded into the sidewalls.
U.S. DOT Tire Identification Number (TIN)
This is the tire's "serial number" It begins with the letters "DO T" and
indicates that the tire meets all federal standards. The next two
numbers or letters indicate the plant where it was manufac tured, and
the last four numbers represent the week and year of manufacture.
For example,
DOT ... 2209 ...
means that the tire was produced in the 22nd week of 2009 . The
other numbers are ma rket ing codes that may or may not be used by
the tire manufacturer . Th is information is used to contact consumers
if a tire defect requires a recall.
Vehicle capacity weight
means the rated cargo and luggage load plus 150 lbs. (68 kilograms)
times the vehicle's total seating capacity as listed on the label located
on the driver's side B-pillar.
Vehicle maximum load on the tire
means that load on an individua l tire that is determined by distrib
uting to each axle its share of the maximum loaded vehicle weight
and dividing by two.
Vehicle normal load on the tire
means that load on an individua l tire that is de term ined by distrib
uting to each axle its share of the curb weight, accessory weight, and
normal occ upant weight (distr ibuted in accordance with table below
=> page 318) and dividing by two. ..,_
Vehicle care Technical data
-~_T_ i_ re _ s_ a_n _ d_ w_ h _e_ e_ls _________________________________________________ _
Vehicle Weight Rating and the G ross Ax le We ig ht Rating a re listed on
t he sa fe ty co mplianc e stick er la bel lo ca ted on t he dr ive r's side B
pillar. The tire press ure label on your Aud i lists the max imum
combine d weight of a ll of t he occ upants an d lugga ge or other cargo
that the veh icle can car ry . For the locat io n of the t ire pressure label
~ pa ge 318 , fig. 239 .
& WARNING
Overloading a vehicle can cause los s of vehicle control , a crash or
other accident, serious personal injury, and even death.
• Carrying more weight than your vehicle wa s designed to carry
will prevent the vehicle from handling properly and increase the
risk of a loss of vehicle control.
• The b rakes on a vehicle that has been overloaded may not be
able to stop the vehicle within a safe distan ce.
• Tires on a vehicle that has been overloaded can fail suddenly
causing loss of control and a crash.
• Always make sure that the total load being transported -
including the weight of a trailer hitch and the tongue weight of a
loaded trailer -does not make the vehicle heavier than the
vehicle 's Gro ss Vehicle Weight Rating.
& WARNING
• Incorrect tire pressures and /or underinflation can lead to a
serious or fatal accident.
• Incorrect tire pressures and /or underinflation cause increased
tire wear and can affect the handling of the vehicle.
• Incorrect tire pressures and/or underinflation can also lead to
sudden tire failure , including a blowout and sudden deflation,
c ausing loss of vehicle control. •
Checking tire pressure
The c orrec t t ire pre ssur e fo r th e tires origina lly insta lled
o n yo ur veh icle is listed on th e tir e p res su re l abe l lo cat ed
on driv er's side 8-pi llar.
Th e recommended tire pressures are on the tire p ress ure labe l an d in
t he table~
page 318, "Cold tire infla tion pressure" .This means that
the pressure m ust be chec ked an d adj usted w hen the tire has not
bee n driven for more tha n a co uple of m iles (kil om ete rs) at low
speeds dur ing the prev io us three hours . A ir in the tires expan ds when
t he tire heats up as a res ult of in ter nal fric tion as it flexes in use. The
t ire pressure is higher w hen the tire has warmed up than whe n it is
" ld "
c o .
It is the inflation pressu re in a "cold" tire that counts. Therefore, yo u
should never let air out of a wa rm tire to match "Col d tire inflat ion
pressu re" recomme ndat ions~
pag e 318. The t ir e s would t hen be
unde rinflated and co uld fail sudden ly .
Th e tire p ress ure label on your Aud i list s th e recommended co ld t ire
inflation pressures at maximum capacity fo r the new, o rigina l equip
ment tires tha t were on yo ur vehicle at the t ime it was man ufactu red.
For the location of the label~
page 318, fig. 239 .
Most tires lose a ir nat urally ove r time. They can a lso lose some a ir if
you drive over a potho le or hit a curb while pa rking.
It is usually not
possible to see whether the rad ia l tires used today are underinflated
jus t by loo king at them.
T herefore, be sure to check t ire pressures at least once a month and
always before going o n a long tri p. M ake sure to take the num be r of
peop le and the amount of luggage i nto account whe n ad justi ng tire
press ure for a t rip -even one tha t you would no t conside r to be
" lo ng." See~
pag e 322, "Tires and vehicle load lim its" for mo re
impo rtant i nformat ion.
Alw ays use an a ccu rat e t ire pres sure g auge whe n checki ng a nd
ad justing i nflat io n pressures. Check all of the tires and be sure not to
f o rge t the s pare tire. If the pre ssu re in any tir e is too h igh when the
t ir e is "co ld," let air out of t he tire slowly with t he edge of the ti re ..,_
Tires and wheels Ill _____________ --=-=--=.:..:......:..::....:.=----
gauge and keep chec king the press ure until you reach t he press ure
th at i s cor rect fo r t he lo ad ( pass en ge rs and l uggage) and kind of
dr iving you plan to do .
If the press ure i n any t ire is too low, note the difference betwee n th e
pressu re in t he cold tire a nd the pressure you need and add the air
that you need to reach the correct pressure for t he ve hicle load
( pass enge rs and lugg age) f or th e tires on yo ur vehicle as l ist ed on t he
on your vehicle and in this manua l and the kind of driving you p lan to
do.
Never exceed the maximum inflation pressure listed on the tire
sidewall for any reason.
Remember that the ve hicle m anufac tur er, no t the tire manufa cture r,
determines t he correct tire press ure for the t ires on your veh icle.
It is important to check the tire pressure when the t ires a re co ld .
• Read the requ ired t ire pr essure from t he t ire pr essure lab el. T he
tire pressure labe l is locate d on t he driver's side 8- pillar. Th e tire pres
s u re labe l lists t he re com men ded col d tire inflat io n pr essures fo r the
vehicle at its maxim um capac ity we ight and the t ires t hat were on
yo ur vehicle at the t ime it was ma nufact ured. For r ecom mende d tire
pressures fo r norma l load cond it ions, please see chapter
=> page 318.
• Turn the valve stem cap co unter -clockw ise to remove it from the
t ire v alve.
• Place the air press ure gauge on the valve.
• The tire p ressures sho uld on ly be checked and adjusted wh en the
tires are cold. The slightly raised press ures of wa rm tires must not be
re du ced.
• Adjust the tire p ress ure to the loa d you are ca rry ing.
• Reinstall the valve stem cap o n the valve .
When should I check the tire pressure?
The correct tire press ure is especially important at high speeds. The
pressu re shoul d there fore be c hec ke d at least once a mo nth a nd
Safety first
always before start ing a journey . Do not forget to check t he t ire pres
s u re for the spare w heel.
When should I adjust the tire pressures?
Adju st the tir e pre ssure to the load y ou ar e carry ing. A fter ch anging a
wheel
or replac ing wheels you have to adjust t he t ire p ressures on all
w heels. I n addition , you m ust th en s tore the new tire press ures i n the
t ir e pressu re monitoring system=>
page 335.
& WARNING
Incorrect tire pressures and/or underinflation can lead sudden tire
failure, loss of control, collision, serious pers onal injury or even
death.
• When the warning symbol appears in the instrument
cluster, stop and inspect the tires.
• Incorrect tire pressure and/or underinflation can cause
increased tire wear and can affect the handling of the vehicle and
stopping ability.
• Incorrect tire pressure s and/or underinflation can also lead to
sudden tire failure, including a blowout and sudden deflation,
causing loss of vehicle control.
• The driver is responsible for the correct tire pressures for all
tires on the vehicle. The applicable pressure values are located on a sticker on the driver's side B-pillar.
• Only when all tires on the vehicle are filled to the correct pres
sure, the tire pressure monitoring system can work correctly.
• The use of incorrect tire pressure values can lead to accidents or
other damage. Therefore it is essential that the driver observe the
specified tire pressure values for the tire s and the correct pres
sures for the function of the tire pressure monitoring system.
• Always inflate tires to the recommended and correct tire pres-
sure before driving off. .,_
Vehicle care Technical data
-Tires and wheels Pffl,.____ ______________ _
& WARNING (conti nu ed )
• Driv ing with underinflated tire s bend more , letting them get
too hot re sulting in tread separation , sudden tire failure and lo ss
of control.
• Exce ssive speed and /overloading can cause heat build-up,
s udden tire failure and loss of control.
• If the tire pressure is too low or too high , the tires will wear
prematurely and the vehicle will not handle well.
• If the tire is not flat and you do not have to change a wheel
immediately, drive at reduced speed to the nearest service station
to check the tire pressure and add air as required .
0 Note
Driving without valve s tem caps can cause damage to the tire valves .
T o prevent this, a lways make sure that factory ins talled valve stem
caps on al l wheels are secure ly mounted on the valve .
<£> For the sake of the environment
Underinflated t ires will also inc rease t he f uel consumption .•
Tires and vehicle load limits
T here are lim its to the amo unt of load or weight that any veh icle and
any tire can carry . A veh icle that is overloade d will not handle well and
is more difficult to stop . Overload ing can not on ly lead to loss of
vehicle contro l, but can also damage important parts of the vehicle
and can le ad t o su dden t ire failure, including a b lowo ut and s udden
def lation that can ca use the vehicle to c rash .
Yo ur safety a nd t hat of your passengers also de pends o n mak ing s ure
that load limits are not exceeded . Vehicle load incl udes everybody
and everything in and on the vehicle . These loa d limits are technically
referred to as the ve hicle's
Gross Vehicle Weight Rating ("GVWR") . The
"GVWR" includes the weight o f the basic vehicle, all factory
ins talled accessories, a f ull tank of f uel, oil, coolan t and other fl uids
plus maxim um load . The max imum load i ncludes the numbe r of
passenge rs that the vehicle is intended to carry ("seating capacity")
w ith an ass umed we ight of 150 lbs (68 kg) for each passenger at a
designate d seati ng position and the total weig ht of any luggage in
the vehicle. If yo u tow a trai le r, the weight of t he t railer hitch and the
tongue weight of the loaded trailer must be included as part of the
veh icle loa d.
The
Gross Axle We ight Rating ("GAWR") is the max imum load that
can be a pplied at each o f the ve hicle 's two axles .
Th e Gross Vehicle Weight Rat ing and the Gross Axle Weight Rat ing
are listed on the safety compliance sticker label located on the
dr iver 's side B-pillar. Your A udi has 5 seat ing pos it ions, 2 in the front
and 3 in the rear for tota l seat ing capacity of 5. On vehicles with six
sea ts*, yo ur vehicl e has two fron t seat s, two se a ts i n the se co nd row
seating and two seats in the t hird row seating. On ve hicles with seven
sea ts*, yo ur veh icle has two fron t se ats , th ree seats in the se cond row
seat ing and two seats in the third row seating. Eac h seating posit io n
has a seat belt=>
page 199, "Safety bel ts" .
Th e fact that there is an upper lim it to your veh icle 's Gross Vehicle
We ight Rating means that the total weight of whatever is being
c arried in t he veh icle ( inclu ding t he weight of a tra ile r hi tch and the
tongue weight of the loaded tra iler) is limited . The more passengers
in the vehi cle or passenge rs who are heavier th an the stan dard
we ights assumed mean that less we ight can be carried as luggage.
Th e tire pressure labe l on yo ur Audi a lso lis ts the max imum combined
we igh t of all of the occupants and luggage or o ther cargo that the
vehicle ca n carry. For t he locat ion of the label=>
page 318, fig. 239.
& WARNING
Overloading a vehicle can cause loss of vehicle control, a crash or
other accident, serious personal injury, and even death. ._
& WARNING (continued)
• Carrying more weight than your vehicle was designed to carry
will prevent the vehicle from handling properly and increase the risk of the loss of vehicle control.
• The brakes on a vehicle that has been overloaded may not be
able to stop the vehicle within a safe distance.
• Tires on a vehicle that has been overloaded can fail suddenly,
including a blowout and sudden deflation, causing loss of control
and a crash.
• Always make sure that the total load being transported -
including the weight of a trailer hitch and the tongue weight of a
loaded trailer -does not make the vehicle heavier than the
vehicle's Gross Vehicle Weight Rating. •
Determining correct Load Limit
Use the example below to calculate the
total weight of the passengers and luggage or other things that you plan to transport so
that you can make sure that your vehicle
will not be overloaded.
Safety first
Tires and wheels 11111
Steps for Determining Correct
Load Limit
1.Locate the statement "THE COMBINED
WEIGHT OF OCCUPANTS AND CARGO
SHOULD NEVER EXCEED XXX KG OR XXX LBS"on your vehicle's placard (tire infla
tion pressure label)==>
page 318,
fig. 239.
2. Determine the combined weight of the driver and passengers that will be riding
in your vehicle.
3. Subtract the combined weight of the driver and passengers from
"XXX" kilo
grams or
"XXX" pounds shown on the
sticker==>
page 318, fig. 239.
4. The resulting figure equals the available amount of cargo and luggage load
capacity. For example, if the
"XXX"
amount equals 1400 lbs. and there will be five 150 lbs. passengers in your
vehicle, the amount of available cargo
and luggage load capacity is 650 lbs.
(1400-750 (5
X 150) = 650 lbs.) •
Vehicle care Technical data
Tires and wheels -________________ f!:f'II
Tire pressure
Incorrect tire pressure cau se s prema ture we ar and c an cau se sudden
ti re blow-o ut. Fo r this reaso n, tir e press ure must be ch ecked at l eas t
once a mo nth ;:::,
page 320.
Driving style
Driv in g fast aro und curves, heavy a cce le ra ti on and hard bra kin g
increase tire wea r.
Rotating tires for more even wear
Fo r all fou r tir es on your ve hicle to have the same service life, we
re co mm end th at t he fron t and rear tire s ar e rotat ed acco rd ing t o the
tire ma nufact urer's s uggested tire rotation intervals. Please
remem be r th e fo llow ing:
• Tir e ro tat io n in terv als ma y differ from t he ve hicle serv ice in terv als
out lined in your Warranty
& Maintenance bo oklet .
• Th e long er o ne tire is used i n one location on t he veh icle, t he mo re
it wears at certa in po ints; t herefore, we recommend t hat you follow
th e tir e m an ufac ture r's sugges ted tire r ota tion in te rv a ls .
• Vehicles w ith fro nt-w hee l dr ive experience mo re tread wea r on the
fron t w heels compared to all-whe el driv e (qua ttro ®).
• P leas e ro tate tires as sh own ;:::, fig. 242.
• Extra care m ust be ta ken when rotat ing direction-specific tires
=:, p age 3 44 .
Wheel balancing
The w heels on new ve hicl es a re bala nced. However, v ario us sit uatio ns
dur ing everyday driving can cause them to become unba lanced,
re su lt ing in vibra tions yo u can usually fee l throug h the stee rin g
w hee l.
Unbalanced whee ls mus t be rebalanced to avoid excessive wear on
s t eer ing, suspension and t ir e s. A wheel must also b e rebalanced
w hen a new tire is installed.
Safety first
Incorrect wheel alignment
Incorrec t wheel a lignment can c ause excessive t ire wear, im pair ing
t he sa fety o f the ve hicle . If t ires s how exc essive wear, hav e the wheel
alignment checked by an author ized A udi dealer o r qualifie d wo rk
shop.
All Wheel Drive
Vehicles with quattro ® must a lways have tires of the same s ize,
constr uctio n an d trea d type . For details see ;:::,
page 258 .
& WARNING
Sudden tire failure can lead to loss of control, a crash and serious
personal injury!
• Never drive a vehicle when the tread on any tire is worn down
to the wear ind icators .
• Worn tires are a safety hazard, they do not grip well on wet
roads and increase your risk of "hydroplaning" and loss of control.
• Always keep chemicals that can cause tire damage, such as
grease, oil , gasoline and brake fluid away from tires.
• Tires age even if they are not being used and can fail suddenly,
especially at high speeds. Tires that are more than 6 years old can
only be used in an emergency and then with special care and at
lower speeds.
• Never mount used tires on your vehicle if you are not sure of
their "previous history." Old used tires may have been damaged
eventhoughthedamagecannotbeseenthatcanleadtosudden
tire failure and loss of vehicle control. •
Vehicle care Technical data