2014 AUDI A5 COUPE engine

@ For the sake of the environment
Because of the pr oblem of proper d isposa l
of brake flu id as we ll as the special tools
requ ired and the necessary expert ise, we
recommend that you have the brake fluid
changed by your author ized Audi dealer .
Battery
General information
Under normal operating conditions, the bat­
tery in your Audi does not need any mainte ­
nance. With
high outside temperatures or
long daily dr ives we recommend that you have
the electro lyte level checked by an authorized
Aud i dealer or qualified workshop . The elec­
trolyte leve l should also be checked each time
the battery is charged ¢
page 219.
Have the battery checked when you take your
ve hicle in for service . Yo u are well adv ised to
replace a battery that is older than 5 yea rs .
W ith certa in types of a irbag deployment, t he
b attery is d isconnected from the vehicle elec­
tr ica l system for safety reasons¢.&.
in Re ­
pair, care and disposal of the airbags on
page 150.
Disconnecting the battery terminals
Some vehicle functions (power w indow regu­
lators , for example) are lost if the battery ter­
m inals a re d isconnected. These func tions have
to be re lea rned after the batte ry term inals a re
connected agai n. T o prevent this , the bat tery
should only be d isconnec ted from the vehicle
e lec tric al system when absolu tely necessa ry
for repairs .
Vehicles not driven for long periods
If you do not drive you r vehicle over a period
of severa l days or weeks, elec trical compo­
nen ts are gr adually cut b ack o r swi tched off .
This redu ces energy cons umption and main­
tains starting capab ility over a longer per io d
¢ page 186.
Some o f the conven ience f unctions m ay not
ope rate, su ch as the in ter ior lig hts or t he
Checkin g and fillin g 217
power seat adjus tment. The convenience
funct io ns w ill be available again when yo u
turn o n the ign ition and start the engine.
Winter operation
D ur ing the w inte r mon ths, bat tery capa city
tends to dec rease as tempera tures drop . This
is beca use more power is a lso consumed wh ile
starting, and the headlights, rear window de­
fogge r, etc., are used more often.
Avoid unnecessary powe r consumpt ion, pa r­
ticular ly in city traffic or when traveling only
sho rt distances. Let yo ur authorized A udi
dealer check the capacity of the vehicle bat ­
tery before w inter sets in
¢ page 219. A well
charged battery will no t on ly prevent star tin g
problems w hen the weather is cold, but w ill
also last longer .
@ Tips
If your vehicle is left standing for seve ral
weeks at extremely low temperatures, the
vehicle battery s hou ld be removed and
stored where it will not freeze . This will
p revent it from be ing damaged and having
to be repla ced .
Working on the battery
Be especially careful when working on or near
the bat tery.
The battery is located in the luggage compar t­
ment under the floor . B efo re you che ck any­
thi ng in the luggage compartment,
read and
heed all WARNINGS
¢ ,&. .
Always heed the safety warnings , when work­
i ng on the veh icle batte ry or t he vehicle e lec­
t rical sys tem to p reven t inju ry.
The following WARNINGS are very
important when working on the battery:
Always heed the following WARNING SYM· BO LS and safety precautions when working
on the battery .
®
Always wear eye protection.
•
•

218 Check ing and filling
&
Batter y acid contain s sulfuric acid . Al ·
wa ys wear glo ves and eye prote ction .
@
No
- spar ks
- flames
- smoking .
~
When a b attery i s ch arged , it p roduce s
h y d rogen ga s whi ch i s ex plosi ve and
c ould cau se per sonal inju ry.
®
Alwa ys keep the battery well out of
r ea ch of children .
A WARNING
Whenever working on the battery or on
the electrical system, there is the risk of
injury , acc ident and even fire. Read and
heed the following WARNINGS:
-Always wear eye protection. Do not let battery acid or any lead part icles get on
your sk in or cloth ing . Sh ield your eyes .
Explosive gases can cause blindness or
other injury .
- Battery acid contains sulfur ic acid . Sulfu­
ric acid can cause blindness and severe
burns.
- Always wear gloves and eye protection.
Do not tilt the battery because ac id
could leak out of the vent ilation open­
ings.
- If you get battery acid in yo ur eyes or
on your sk in, immediately rinse with
cold water for severa l minutes and get
medical attention .
- If you should ingest any battery acid,
seek medical attention immediately.
- Do not expose the battery to an open
flame, electric sparks or an open light.
- Do not smoke.
- Do not interchange the positive and neg -
ative cab les.
- When working on the battery, be sure
not to short-circuit the terminals with
tools or other metal objects. This would
cause the battery to heat up very quickly,
wh ich could lead to damage or explosion
and personal in jury.
-
- When a battery is charged, it produces
hydrogen gas which is explosive and
could cause personal injury.
- Always keep the battery well out of the
reach of children.
- Before work is done on the electrical sys­
tem, disconnect the negat ive ground ca­
ble.
- Before performing any work on the e lec­
trica l system, switch off the engine and
ignit ion as well as any electrical equip­
ment. The negative cable on the battery
m ust be disconnected .
If you are just go­
ing to replace a light bulb, then it is
e nough to swi tc h off the lights.
- Before disconnecting the battery, switch
off the anti-theft alarm system! Other­
wise you wi ll set off the alarm.
- When disconnecting the battery, f irst
d isconnect the negat ive cab le and then
the posit ive c ab le.
- Before reconnecting the batte ry, ma ke
sure all e lectr ica l consumers are sw itch­
ed off . Re conne ct the pos it ive cab le first
and then the negative cable. Never inter ­
change the cables - this could start a fire!
- Never cha rge a frozen or a thawed-out
battery. It could exp lode! If a battery has
frozen, then it must be replaced . A dis­
charged battery can freeze over at 32°F
(QOC).
- Make sure the vent hose is always attach­
ed to the opening on the s ide of the bat­
tery.
- Never use batteries which are damaged.
There is the danger of an explosion! Al­
ways rep lace a damaged battery.
A WARNING
Ca lifornia Proposition 65 Warning:
- Battery posts, terminals and related ac­
cessories conta in lead and lead com­
pounds, chem icals known to the State of
California to cause cancer and reproduc­
tive problems . Wash hands after han-
dling.
~

(D Note
-Do not disconnect the ve hicle battery
when the ignition is sw itched on or when
the engine is running, otherwise, yo u will
damage e lectronic components in the
electrica l system .
- If your vehicle is going to stand for a
l ong period of time without being driven,
protect the battery from "freezing", oth­
erwise it w ill be damaged and w ill then
have to be replaced .
Battery charging
Starting the engine requires a well charged
batt ery.
F ig. 166 Engin e comp artm ent: Conn ecto rs for char ger
an d jumper cables
Always read and heed all WARNINGS below
c::, &. and c::, &. in Working on the battery on
page 218 .
.,. Turn off t he ignit io n and all electrical con­
s umer s .
.,. Make sure the area is well vent ilated when
you charge the bat tery .
.,. Open the engi ne hood
c::, page 2 06.
.,. Open the cove r on the pos it ive pole
¢ fig . 166 .
.,. Co nnect the charger connectors according to
the instructions to the
jump start bolts.
(Bolts under t he cover= "positive", Bolts
with hex head = "negative").
.,. Only now plug the mains lead for the charg­
i ng equipment into the wall outlet a nd turn
i t on
c::, &_ .
.,. Make sure the charging rate i s not over
30 amp s/14 .8 Volt .
Checkin g and fillin g 219
.,. When the bat tery is fully cha rged : Tu rn the
charging equ ipment off and
remove the
mains lead from the wa ll out let .
.,. Now remove the clamps for the charging
equ ipment.
.,. Close the cover on the positive pole .
.,. Close the hood
c::, pag e 206 .
A discha rged bat tery can freeze at tempera­
tures of only 32 °F (0 °C) . Allow a frozen bat­
tery to thaw comp letely before attempting to
cha rge it
c::, .&. . However, we r ecommend not
u sing a thawed batte ry aga in beca use the b at­
te ry casing can be cr acked due to i ce fo rma­
tion an d ca n leak b attery a cid.
Battery charging (Maximum charging rate
of 30 amps/14.8 Volt )
When charging at low vo ltages (e.g. wi th a
trickle charger) , the ba tte ry cables do no t
have to be disco nne cte d fir st. T he bat tery
caps should
not be opened when charg ing a
batte ry .
It is no t necessa ry to remove the b attery from
the luggage compartmen t.
Fast charging the battery (charging rate
above 14 .8 Volts)
Fo r tec hni cal re asons do not use a bat tery
c h arger th at uses voltage g reater than
1 4 .8
Volts to c harge yo ur veh icle's battery.
A WARNING
C harging a battery can be dangero us.
-A lways follow t he operati ng instr uctions
provided by the battery charger manu ­
facturer when charging your battery .
- Never cha rge a fro zen battery. It may ex ­
p lode because of gas trapped in the ice .
A llow a frozen battery to thaw out f irst.
- Do not reuse batteries wh ic h were fro­
zen. The battery housing may have
cracked and weakened w hen the battery
froze.
- Charge the battery in a well venti lated
area . Keep away from open flame or elec­
trical spark. Do not smoke . Hydrogen gas
generated by t he battery is explos ive . ..,

220 Check ing and filling
- To r educe the danger of explosion, never
co nnect or disconn ect cha rger cables
wh ile the c harger is operating.
- Fast char ging a battery is dangerous and
shou ld on ly be attempted by a compe­
tent technician w ith the proper equip­
ment .
- Battery acid that may spill d uring charg­
ing should be washed
off with a solution
of warm water and baking soda to neu ­
tralize the acid.
(Q) Note
Never use a fast charger as a booster to
start the engine . This will seriously dam­
age sensitive electronic components, such
as control units, relays, rad io, etc., as we ll
as the battery charger.
Battery replacement
The new battery must have the same specif/·
cations and dimensions as the original equip­
ment battery.
In tell igent energy management in your veh i­
cle is respons ible for d istributing the e lectr i­
cal energy throughout you r vehicle
~ page 186. The intell igen t energy m anage­
men t system w ill keep the engine ba tte ry
charged better then vehicles w ithout this sys­
tem . To make sure the additional e lectrica l en­
ergy is available once again after you have
changed the battery, we recommend that you install batteries o f the same type and ma nu­
facture only (the same as those installed at
the time your vehicle was delivered). Specifi­
cations are listed on the battery hous ing. You r
author ized Audi dealer must code the battery
in the ene rgy managemen t system to enable
you to use the ene rgy management functions
correctly after replac ing the battery.
I f it is not poss ible to use a battery of this
type, the new bat tery m ust h ave the s ame ca­
pac ity, voltage ( 12-volts), amperage, con ­
struction and plug sea ling. When installing the battery, make su
re the ig ­
nition and a ll electrical consumers are turned
off.
(D Note
Make sure the ventilat ion hose on the side
of the battery is connected, otherwise
fumes or battery acid can leak out .
@ For the sake of the environment
Because o f the p rob lem of p roper disposal
of a battery, we recommend your author ­
i zed Audi dealer change the battery fo r
you. Batteries contain sulfur ic acid and
l ead and must always be disposed of prop­
erly in comp liance with all environmental
regula tions. Dispos ing of veh icle batter ies
i mprope rly is very dange rous to the envi­
r o nment .
Windshield/headlight*
washer container
Fig. 167 En gin e compa rt m en t: Cove r on the w ind·
s h iel d a nd h eadligh t• was he r fl uid conta in er
.., N
-~ (X) a,
The washer fluid conta iner is marked w ith the
symbol
O on its cap~ fig. 167, ~ page 208,
fig .161.
.. Before yo u check any thing in the engine
compa rtment,
always read and heed all
WARNINGS q A in Working in the engine
compartment on page 206 .
.. Lift the fi ller cap tongue to add washer flu­
id. You can f ill the container to the top.
.. Press the cap back onto the filler neck after
fi lling the conta iner .
You can find the reservo ir
capacity in the table
in
q page 262. .,.

Clean water sho uld be used when fill ing up. If
possible, use soft water to prevent scaling on
the washer jets. Always add a glass cleaner
solut ion (with frost protection in the w inter).
(D Note
Do not mix engine coo lant antifreeze or
any other add itives to fi ll u p the w ind­
shie ld washer reserv oir.
Checkin g and fillin g 221
•
•

you have stored. The system does not recog ­
nize the load condition of your vehicle.
The effectiveness of the tire pressu re monitor­
ing system* will be impaired if you store nor­
mal load pressures but then operate the vehi ­
cle at its maximum load¢,&.
See the illustration ¢
fig. 168 for the location
of the label on driver's side B-pillar (color of
the actual labe l and exact location on the ve­
hicle will vary slig htly) .
Note that the following table is accurate at
the time of go ing to press and is subject to
Model Tire designation
Engine
AS Coupe: 225/50 Rl 7 94H
2.0 liter All Season
4-cylinder 245/45 R17 95H
All Season
245/40 R18 93H
All Season
255/35 R19 96V High Performance
SS Coupe: 245/40 R18 93V
3.0 liter High Performance
6-cylinder 255/35 R19 96V
High Performance
Tires and wheels 22 7
ch ange. In the event of discrepancies, the tire
pressure label is located on the driver's side B­
pillar always takes precedence.
T he table below lists the recommended cold
ti re inflation pressures for the Audi mode l
covered by your Owner's Literature at the vehi­
cle's capacity weight and the tir e sizes instal­
l ed on the respective models as orig inal
equipment, or as a factory option.
Tire pressure
normal load condition full load condition (up to 2 occupants)
front rear front rear
PSI kPA PSI kPA PSI kPA PSI kPA
32 220 29 200 33 230 33 230
32 220 29 200 33 230 33 230
33 230 29 200 35 240 35 240
32 220 32 220 33 230 33 230
38 260 32 220 41 280
38 260
38 260 32 220 41 280 38 260
•
•
XL= reinfo rced or extra load tire. It may also appear as xl, EXTRA LOAD, or RF on the tire side-
wall.
The correct tire pressure for the spare wheel is
lo cated on a label on the driver's side B-pillar.
Because technical changes may be made to
vehicle equipment during t he model year, al­
ways compare the tire size designation on the
tire pressure label on your vehicle w ith the
tires on your vehicle. Make sure that the tire
size information on the veh icle label is the
same as the size of the tires on the vehicle.
This is especially important if the vehicle be­
l ongs to someone else or you bought the vehi- cle
with different rims/tires or you bought the
vehicle as a previously owned vehicle.
Remember, your safety and that of your pas ­
sengers also depends on making sure that
l oad lim its are not exceeded. Vehicle load in­
cludes everybody and everything in and on the
vehicle. These load limits are techn ically refer­
red to as the veh icle's Gross Vehicle Weight
Rat ing ("GVWR"). The Gross Axle Weight Rat­
ing ("GAWR") is the maximum load that can
be applied at each of the vehicle's two axles .
T he Gross Vehicle Weight Rating and the .,,.

What do I do now?
Vehicle tool kit
The tools ore stored underneath the floor
panel in the luggage comportment.
Fig. 174 Luggage compartment: tool kit
When you need access to the veh icle tool kit
or jack*, you will need to take o ut the spare
tire* and cover¢
page 243.
The vehicle tool kit includes:
- Hook for removing wheel covers*
- Plastic hook to remove wheel bolt covers*
- Alignmen t pin for ch anging the whee l
- Screwdriver w ith reversible blade
- Too l for chang ing light bulbs
- Reversible bit (reversible Torx bit for chang -
ing light bulbs)
- Rod for jack
- Jack*
- Lug wrench
- Towing eye
Some of the vehi cle items listed above are
p rov ided o n certain models o nly or are opt io n­
al extras .
Before returning the jack* to its place, retract
the jack arm fully.
.&, WARNING
-
-Never use the screw d river hex head to
tighten whee l bolts, since the bolts can­
not attain the necessary tightening tor ­
que if yo u use the hex head, potentially
caus ing an accident.
- The factory-supplied jac k is intended on­
ly for your vehicle model. Unde r no cir-
What do I d o now ? 243
cumstances should it be used to lift
heavy veh icles or other loads; you risk in­
juring yourself.
- Never start the engine when the vehicle
is raised, wh ich could cause an acc ident.
- Support the vehicle securely w it h appro­
priate stands if work is to be performed
underneath the vehicle; otherwise , there
is a pote ntia l risk for injury .
Space-saving spare tire
(compact spare tire)
App lies to vehicles: wit h space -saving spare t ire
The spore tire/wheel is located in the luggage
comportment under the cargo floor cover. It
is intended for short-term use only .
Fig. 175 Spa re tir e
Remo ving th e spare tire
.. Lift the cargo floor by the p lastic handle
¢ fig. 175 .
.. Hook the handle into the luggage compart­
ment wea ther strip .
.,. Turn the large screw <=>
fig. 175 counter ­
clockw ise.
.,. Take out the spa re tire .
.,. Always s tore the vehicle tool kit, the jack*,
and the rep laced tire in the luggage com­
partment
¢ page 125 .
.. Unhook the cargo floor before closing the
rear lid .
Using th e spare tire (compact spar e tire )
The compact spare t ire is only intended fo r
eme rgencies unt il you can reach a repa ir sh op.
Rep lace it as qu ickly as possible with a stand -
ard whee l and tire.
Ill-

24 4 What do I do no w?
There are some restrictions on the use of the
compact spare tire. The compact spare tire
has been des igned specifically for your type of
vehicle.
It must not be swapped with a com­
pact spare tire from another type of vehicle.
Sno w cha in s
For technical reasons, the use of snow chains
on the compact spare tire is
n ot permitted .
If you do have to dr ive with snow cha ins and a
front tire fails, mount the spare wheel w ith
tire instead of a rear tire. Install the snow
chains on the rear tire and use it to rep lace
the defective front tire.
A WARNING
- Never use the spare tire if it is damaged
or if it is worn down to the tread wear in­
dicators.
- If the spare tire is more than 6 years o ld,
use it only in an emergency and w ith ex­
t reme caution and careful driving.
- The spare tire is intended only for tem­
porary and short-term use. It should be
replaced as soon as possib le w ith the
normal wheel and t ire.
- After mounting the compact spare tire, the tire pressu re must be checked as
soon as poss ible. The tire pressure of the
c ompac t spare tire must be 4.2 bar; oth­
erwise, you risk hav ing an accident.
- Do not drive faster than 50 mph (80 km/
h). You r isk having an acc ident.
- Avoid full-throttle acce le rat ion, heavy
braking, and fast corner ing . Yo u risk hav­
ing an acc iden t.
- Never dr ive us ing more than one spare
wheel and tire. You risk having an acci­
dent.
- No rma l summer o r winte r ti res m ust not
be mounted on the compact spare whee l
rim.
- F or te chnical reasons, the use o f ti re
chains on the spare tire is not permi tted .
If it is necessary to drive with tire chains,
the spare whee l must be mounted o n the
front axle in the event of a f lat in a rear tire. The new
ly available front wheel
must then be installed in place of the
rear whee l with the flat tire. Installing
the t ire cha in before mounting the whee l
and tire is recommended .
- Loose items in the passenger compart­
ment can cause serious personal injury
during hard brak ing or in an accident.
Never store the spa re tire or jack and
too ls in the passenger compa rtment.
Changing a wheel
Before changing a wheel
Observe the following precautions for your
own and your passenger's safety when chang­
ing a wheel .
"'After you expe rience a tire failure, pull the
car we ll away from moving traffic and try to
reach
le vel ground before you stop ¢ ,&.
"'All passengers should leave the car and
move to a safe location (for instance, behind
the guardrail)¢ &,.
"' Engage the
parking brak e to prevent your
veh icle from rolling unintentionally¢&, .
"' Shift into
1st gea r on ve hicles w ith manual
transmiss io n, or move the
select or lever to
the P p osition
on ve hicles w it h automatic
transmission .
"'I f you are towing a trailer : unhitch the trai l­
er from your vehicle .
"' Take the
jack¢ page 243 and the spare tire
¢ page 243 out of the luggage compart­
ment.
A WARNING
--
You o r you r passengers could be injured
while changing a wheel if you do not fo l­
l ow these safety precaut io ns:
- I f you have a flat tire, move a safe d is­
tance off the road. Tu rn off the engine,
tur n the eme rgency flashers on and use
o ther warning devices to a lert other mo-
torists .
IIJ>