wheel bolt torque AUDI A5 COUPE 2011 Owners Manual

IIIL-_T.:..:..: ir:....:e~ s=---= a~ n:..:..: d:......: w..:....:.. h:....:e~ e= ls=--------------------------------------------------
& WA RNING (conti nu ed )
• Winter t ires have ma ximum speed rating that may be lower
than your vehicle' s maximum speed .
• Never drive faster than the speed for which the winter or other
tires installed on your vehicle are rated .
& WARNING
Always adjust your driving to the road and t raffic conditions.
Never let the good ac celeration of the winter tire s and all-wheel
drive tempt you into taking extra risks . Always remember:
• Wh en braking, an alt-wheel drive vehicle handle s in the same
way as a front drive vehicle.
• Drive carefully and reduce your speed on icy and slippery roads,
even w inter tires cannot help under black ice conditions.
~ For the sake of the environment
Use summe r tires when weather condit ions permit. They are quieter,
do not wea r as quickly and redu ce fuel consumpt io n.•
Snow chains
Snow c hains may be fitted only to the front wheels, and only to
certain tire sizes. Ask your authorized Audi dealer on which tire sizes
snow chains c an be u sed.
T he snow cha ins must have low-profile links and m ust not be thicker
t han 0 .53 in ch ( 13 .5 mm), incl uding the lock .
Remove wheel center covers and t rim discs befor e put ting snow
chains on your vehicle=:,
0. For safety reasons cover caps must then
be fi tted ove r th e wheel bo lts. These a re available from auth orized
Audi dealers.
& WARNING
Using the wrong snow chains for your veh icle or installing them
in correctly can incre ase the risk of loss of control le ading to
serious personal injury.
• Snow chains are available in different size s. Always make sure
to follow the instructions provided by the snow chain manufac ­
turer .
• When driving with snow chains never dri ve faster than the
s peed permitted for your specific snow chain s.
• Always observe local regulations.
0 Note
• Remove snow chains before d riving on roads not covered with
s now to avoid d am ag ing t ires and wear ing t he snow chains dow n
unnecessarily.
• Snow chains, which come into direct contact with the wheel rim,
can scratch o r damage it. Therefo re, make sure that the snow chains
are sui tably cove red. C heck t he pos it ion of the snow cha in s a ft e r
dr iving a few yards and correct if necessary . Fo llow the instruct ions
from t he snow ch ain man ufactur er when doing so.
[ i ] Tips
Whe re snow chains are mandatory on certain roads, t his normally
also app lies to ve hicles with all wheel drive. •
Wheel bolts
Wheel bolts must al ways be tightened to the c orrect
torque .
The desig n of wheel bo lts is matched to the factory installed rims. If
differen t rims a re fitted, the co rrect wheel bolts wi th the r ig ht length
and correctly shaped bolt heads must be used. This e nsures that ..,_

________________________________________________ T_i_re _ s_ a _ n_d_ w_ h_ e_ e_l_s __ _
wheels are fitted secure ly and that the brake system func tions
cor rectly.
I n certa in circumsta nces, yo u may not use wheel bo lts from a
different vehicle -even if it is the same model =>
page 342 .
& WARNING
Improperly tightened or maintained wheel bolts can become
loose causing loss of control, a collision and serious personal
injury .
• Always keep the wheel bolts and the threads in the wheel hubs
clean so the wheel bolts can turn easily and be properly tightened.
• Never grease or oil the wheel bolts and the threads in the wheel
hubs. They can become loose while driving if greased or oiled, even
if tightened to the specified torque.
• Only use wheel bolts that belong to the rim being installed .
• Never use different wheels bolts on your vehicle.
• Always maintain the correct tightening torque for the wheel
bolts to reduce the risk of a wheel loss. If the tightening torque of
the wheel bolts is too low, they can loosen and come out when the
vehicle is moving. If the tightening torque is too high, the wheel
bolts and threads can be damaged and the wheel can become
loose.
0 Note
The specified torque for the wheel bolts is 90 ft lbs. (120 Nm) wit h a
tol eran ce o f± 7,4 ft lbs.( ± 10 Nm ). Tor qu e wheel bolts di ag on ally.
After chang ing a wheel, the to rque must be checked as soon as
p ossib le wi th a tor qu e wrench - prefer ably by an authorized Audi
dealer or qualified wo rkshop .•
Safety first
Low aspect ratio tires
Your Audi is factory-equipped with low aspect rat io tires. These tires
h ave bee n t horo ugh ly te st ed a nd bee n sele cted spe cifica lly for your
mode l for their supe rb performance, road fee l and hand ling u nder a
v ariety o f dr iv ing co ndi tio ns . Ask your author ized A udi d ealer for
more deta ils.
Th e low as pect rat io of these tires is indicated by a numera l o f
55 or
less
in t he ti re 's s ize des ig nation. The nu meral represen ts the ratio o f
the t ire's si dewall height in relat io n to its tread wi dth expressed in
per ce nta ge. Conve ntiona l t ires h ave a heigh t/w idt h rat io of 60 or
more.
The performance of low-aspect-ratio tires is particularly sensitive to
improper inflation pressure . It is therefore important that low
aspect ratio tires are inflated to the specified pressure and that the
inflation pressure is regularly checked and maintained. Tire pre s­
sures should be checked at least once a month and always before a
long trip~ pag e 297, "Ch ecking tire pre ss ur e".
What you can do to avoid tire and rim damage
Low as pect ratio t ires ca n be damaged more easi ly by impact w ith
potholes, curbs, gullies or ridges on the road, pa rtic ularly if t he tire is
unde rinflated.
I n order to minim ize the occurrence of impact damage to the t ires of
your vehicle, we re co mmend that y ou o bserve the f ollowin g pre ca u­
tions :
• Always maintai n recommen ded in flation p ressures. Chec k your
tire pressu re e very 2,0 00 m ile s (3,0 00 km) an d add air if n ecess ary .
• D rive ca refu lly on roads with potholes, deep gulli es o r ridges. The
impact from d riving thro ugh or over such obs tacles can damage your
tires. Im pact w it h a cu rb may also cause damage to your tires .
• After a ny impact , immediately inspect you r tir es o r have t hem
inspected by the nea rest author ized Aud i dealer . Replace a damage d
t ire as soon as possib le. _.,
Vehicle care Technical data

-L~W~h~a~t~d~o~I~d~o~n~o~w~? :_ _________________________________________ _
What do I do now?
Vehicle tool kit
The too ls are stored underneath the floor panel in the
luggage c ompartment.
Fi g. 2 19 Lu ggag e
c om partm ent : too l k it
When you need access to the vehicle tool kit or jack* , you will need to
t ake out t he spare ti re* and cover~
page 314.
The ve hicle too l kit includes:
• Hook for removing whee l covers *
• Alignmen t pin fo r changing the wheel
• Screwdriver wi th reversib le blade
• Tool for changing light bulbs
• Revers ib le b it (reve rs ible To rx bit for chang ing lig ht bulbs)
• Rod for jack
• Jack*
• Lu g wre nc h
• Towing eye
Some of the veh icle items listed above a re p rovided o n cert ain mo dels
only or are opt ional extras.
Before ret urning the jack* to its place, retract the jack arm fully.
& WARNING
• Never u se the screw dri ver he x head to tighten wheel bolts,
s in ce the bolts cannot attain th e neces sa ry tightening torque if
you use the he x head , potent ially caus ing an accident.
• The fa ctory-supplied jack i s intended only for your vehicle
model. Unde r no circumstances should it be used to lift heavy
vehicles or other loads ; you risk injuring you rself .
• Never start the engine whe n the vehicle is raised , which could
caus e an acci dent .
• Support the vehicle securely with appropriate stands if work is
to be performed underneath the vehicle; otherwise , there is a
potential risk for injury. •
App lies to vehicles : w ith space -saving spa re t ire
Space-saving spare tire (compact
spare tire)*
The spare tire/wheel is located in the lugg age comport­
ment under the cargo floor cover . It is intended for short­
te rm use only.
Fi g. 2 20 S pare t ir e _.,,

_____________________________________________ W __ h_a _ t_ d_o_ I_ d _ o_ n_o_ w_ ? _ ___.ffl'I
3. Locate the proper mounting point for the jack and align
the jack below that point=>
page 319.
4. Lift the car with the jack=> page 319.
5. Remove the wheel with the flat tire and then install the
spare tire => page 320 .
6. Tighten all wheel bolts lightly.
7.
Lower the vehicle with the jack.
8. Use the wheel bolt wrench and
firmly tighten all wheel
bolts in a crisscross pattern=>
page 318.
9. Replace the decorative wheel cover* or the wheel bolt
caps*.
& WARNING
Always read and follow all WARNINGS and information=> & in
"Raising the vehicle" on
page 319 and => page 322. •
After changing a wheel
A wheel change is not complete without the doing the
following.
- Store and secure the wheel you replaced in the spare
wheel well .
Replace the tools and the jack in their proper location.
- Check the
tire pressure of the spare tire as soon as
possible.
- As soon as possible , have the
tightening torques on all
wheel bolts checked with a torque wrench. The correct
tightening torque is 90 ft lbs. (120 Nm).
Vehicle OP-eration
-Have the flat tire replaced as soon as possible.
[ i] Tips
• If you notice that the wheel bolts are corroded and difficult to turn
while changing a tire, they should be replaced before you check the tightening torque.
• Drive at reduced speed until you have the tightening torques
checked. •
Applies to ve hicles : w ith deco rative wheel cove rs
Decorative wheel covers
The decorative wheel covers must be removed first to
access the wheel bolts.
Removing
Fig. 221 Changing a
wheel: removing the
wheel cover
- Insert the hook provided with the vehicle tool kit in the
hole in the hub.
- Pull off the
decorative wheel cover=> fig. 221. •
Vehicle care Do-it-yourself service iTechnical data

-What do I do now? Pffl...__ ______________ _
Notes on wheel changing
Please read the in formation => page 303, "New t ires and replacing
t ires and wheel s" i f yo u ar e going t o use a sp are tir e w hich is differe nt
from t he tires on yo ur vehicle.
After you c hange a ti re:
• Check the tire pressure on the spare immediately after installa·
tion.
• Have the wheel bolt tightening torque checked with a torque
wrench as soon as possible by your authorized Audi dealer or a qual· ified workshop.
• With steel and alloy wheel rims , the wheel bolts are correctly
tightened at a torque of 90 ft lbs. (120 Nm).
• If you notice that the wheel bolts are corroded and difficult to
turn while changing a tire, they should be replaced before you check
the tightening torque .
• Replace the flat tire with a new one and have it installed on your
vehicle as soon as possible. Remount the wheel cover.
Until then, drive with extra care and at reduced speeds.
& WARNING
• If you are going to equip your vehicle with tire s or rims which
differ from those which were factory in stalled, then be sure to
read the information =>
page 303, "New tires and replacing tires
and wheels".
• Always make sure the damaged wheel or even a flat tire and
the jack and tool kit are properly secured in the luggage compart­
ment and are not loose in the passenger compartment .
• In an accident or sudden maneuver they could fly forward,
injuring anyone in the vehicle .
• Always store damaged wheel , ja ck and tools securely in the
luggage compartment. Otherwise, in an accident or sudden
& WARNING (c on tinued )
maneuver they could fly forward , causing injury to passengers in
the vehicle.
0 Note
Do not use commerci ally ava ilable tire se alants . O th erwi se, the ele c­
trical components of the t ire pressure monitoring system* w ill no
longer wor k properly and the se nsor for the tire pressure moni to ring
system* wi ll have to be rep laced by a q ua lified wor kshop .•

___ A_ l_. p_ h _ a_b_ e_ t_ic _a_ l_ in_ d_e _ x ____________________________________________ _
What should I do after changing a wheel? ...
298
What should I do after replacing wheels? 298
Wheel bolts Torque ............. .... .. .... .. 308
Wheels ........................... 291
Cast alloy .. ... ........... ..... .. 261
Checking tire pressure ............ 297
Cold tire inflation pressure ......... 295
General notes ................... 291
Glossary of tire and loading terminology . 292
New tires and wheels .. ..... ..... . 303
T ires and vehicle load limits ........ 299
When must a safety belt be replaced? . . 184
When must the a irbag system be inspected? .
201
When shou ld I adjust the tire pressures? 298
When should I check the tire pressures? 298
Where can I find the tire pressures for my car?
297
Why safety belts? ........... .... 181, 182
Window regulators Malfunct ions . ............. .... .. . 54
Power locks .. ................. .. . 54
Windows Clean ing . ...... ...... .... ..... .. 260
Windshield defogging/defrosting .. 100, 106
Windshield washer fluid Low level .. .. .. .. .... .. ... ....... 39 Windshield wipers
.. .......... ... .. .. 65
Faulty ...... .................. ... 41
Replacing w indshield wiper blades ... 67
Service position . . . . . . . . . . . . . . . . . . . 66
Was her reservoir ................. 290
Winter operation Battery .... .. .. .. .. .... ......... 285
Coolant system ... .. .. .. .. .. .. .. . 281
Defrosting windows .......... . 99, 106
Front seat heating ...... ......... 109
Tir es ......... ............. .... . 242
Windows ............ .. .. .. .... . 260
Winter tires ....................... 307
All-wheel drive .................. 307
Wiper blades Replacing windshield wiper blades ... 67
See also Windshield wipers ... .. .... 67
X
Xenon headlights ............ .. .. 61,327
y
Yellow symbols . .. .. ............... .. 36