service AUDI S3 2016 Repair Manual

Intelligent Technology
A WARNING
-New brake pads do not achieve their full
braking effect during the first 250 mi
-
(400 km). They must be "broken in" first .
However, you can compensate for the
slightly reduced braking force by pressing
firmly on the brake pedal. Avoid heavy brak­
ing during the break-in period.
- Only apply the brakes for the purpose of
cleaning the brake system when road and
traffic conditions permit. You must not en­
danger other road users. This increases the
risk of an accident.
- On steep slopes, reduce the speed and se­
lect a lower gear or lower selector lever po­
sition. Drive as little as possible while press­
ing the brake pedal and avoid putting your
left foot on the brake pedal while driving.
This could cause the brakes to overheat and
impair the efficiency of the brakes.
- Do not let the brakes "grind" by always
keeping your foot on the brake pedal. This
can cause the brakes to overheat, increase
wear and increase braking distance unneces­
sarily.
- Certain weather and operating conditions
such as driving through water, driving in heavy rain or driving after washing your ve ­
hicle can impair the effectiveness of the
brakes . In the winter, ice may build up on
the brake pads, rotors and drums. Check
these components by braking carefully. Ap­
plying the brakes carefully several times
dries the brakes and removes ice build-up .
- The efficiency of the brakes can also be im­
paired by driving for long stretches on roads
covered with salt without using the brakes.
You can remove salt deposits from the brake rotors and pads by carefully applying
the brakes several times.
- If the front spoiler is damaged or you install
another spoiler, make sure the front wheel brakes are ventilated properly . Otherwise,
the brake system could overheat, which re­
duces their effectiveness .
- Failure of a brake circuit impairs braking
performance, which increases braking dis -
162
tance. Avoid driving the vehicle and have it
towed it to the nearest authorized Audi
dealer or authorized Audi Service Facility.
- Never let the vehicle roll while the engine is
stopped because this increases the risk of an
accident .
- If the brake booster is not working, you will
have to press much harder on the brake
pedal to compensate for the lack of the
booster.
(D Note
- Never let the brakes "rub" by pressing the
pedal lightly when braking is not really nec­
essary. This causes the brakes to overheat
and increases braking distance and causes
wear .
- Before driving on a long stretch with steep
slopes, reduce your speed and shift to the
next lower gear This makes use of the en­
gine braking effect and relieves the brakes.
If you need to brake additionally, brake in
intervals and not continuously.
(D Tips
- If the brake booster is not working, you
must press the brake pedal with much more
force than normal.
- If you retrofit your vehicle with a front spoil­
er, wheel covers or similar items, make su re
that the air flow to the front wheels is not
interrupted. Otherwise the brake system
can become too hot.
Electromechanical
steering
The electromechanical steering supports the
driver's steering movements.
Power steering adapts electronically based on
the vehicle speed .
The vehicle still has full steering functionality if
the power steering fails or when the engine is
stopped (towing) . To steer, you must apply much
more force than usual. .,.

,....,
N
0 > co ,...., Indicator lights and messages
• Do not drive vehicle: steering defective
If th is ind icator light turns on and stays on and
this message appears, the power steering may
h ave fa iled.
Do
not cont inue driving . See an authorized Aud i
dealer or authorized Aud i Serv ice Faci lity for as­
sistance.
• Do not dr ive vehicle: steering defective
There is a malfunction in the electronic steering
lock. You cannot turn the ignition on.
Do
not tow your vehicle beca use it cannot be
steered. See an authorized A udi dealer or author­
ized Audi Service Facility for assistance.
':r- ij Steering malfunction : you can continue driv­
ing
I f the indicator light turns on, the steering whee l
may be more diff icult to move o r more sensitive
than usual. The steering wheel may also be at an
angle when driving st raight.
Drive slowly to an author ized Audi dealer or au­
thor ized Audi Service Facility to have the mal­
function corrected.
1;11 Steering lock: system fault! Please contact
Service
There is a malfunction in the electronic steering
lock.
Drive to an authorized Aud i dea ler or authorized
Aud i Service Faci lity immediately to have the
malfunct ion corrected.
A WARNING -
Have the system malfunction corrected as
soon as possible by an authorized Audi dealer
or authorized Audi Service Facility, as this in­
creases the risk of an accident .
(D Tips
If the . or t~ff indicator light only stays on
for a short time, you may continue dr iv in g.
Intelligent Technology
All wheel drive (quattro)
Applies to vehicles: with all wheel drive
In all wheel drive, all four wheels ore powered.
General information
In all wheel dr ive, the driving power is div ided be­
tween all fou r wheels . This happens automatical­
ly depending on yo ur driving behavior as well as
the current road conditions . A lso see
c> page 159, Electronic stabilization control
(ESC).
The all whee l drive concept is designed for high
engine power. Yo ur vehicle is exceptionally pow­
erfu l and has excellent driving characteristics
both under normal driving conditions and on
snow and ice. Always read and follow safety pre­
cautions
c> ,&. .
Winter tires
By using all wheel drive, your vehicle has good
forward motion with standard tires in winter con­
ditions. However, in winter we recommend using
winter or all season tires on
all four wheels, be­
cause this will improve the
broking effect.
Snow chains
If there are snow chain laws, snow chains must
also be used on veh icles w ith all wheel dr ive
c> page 269, Snow chains.
Replacing tires
For vehicles with a ll wheel d rive, only wheels with
the same rolling circumference should be used .
Avoid wheels with different tread depths
c> poge 260.
Offroad vehicle?
Your Audi is not an offroad vehicle -there is not
enough ground clearance. For this reason, avoid
difficu lt terrain . Also see<=)
page 302.
A WARNING
--Also, in veh icles with all whee l drive, adapt
your driving style to the current road and
traffic cond itions. Do not let the increased
safety prov ided tempt you into taking r isks.
163

,....,
N
0 > co ,...., Pyrotechnic saf ety belt pret ensioner s
The safety belts are equipped with safety belt
p re tensioners . The system is activated by sensors
in front, side and rear -end collisions of great se­
verity and in a rollover. This tightens the belt and
takes up belt slack
q & in Service and disposal of
safety belt pretensioner on page 183.
Taking up
the slack helps to reduce forward occupant
movement dur ing a coll is ion.
A WARNING
- It is possible for the pretensione rs to deploy
incorrectly.
- The pyrotechnic system can only prov ide
protection for one coll ision. If the pyrotech­
nic pretensione rs deploy, the pretens ion ing
system mus t be replaced.
The pyrotechnic safety belt pretens ioners can
only deploy once.
- The safety belt pretensioners do not dep loy
i n minor frontal, side and rea r-end colli­
s io ns.
- A fine d ust is released when the pyrotechnic
safety be lt pretens ioners deploy. This is nor­
mal and is not caused by a fire in the vehi­
cle.
- The re levant safety req uirements must be
obse rved w hen the ve hicle or components
of the system are sc rapped. A qualified
dealersh ip is familiar w ith these regu lations
and will be p leased to pass on the informa­
tion to you.
- Be sure to observe all safety, environmental and other regulations if the vehicle or indi­
vidual parts of the system, particularly the
safety be lt or airbag, are to be disposed. We
recommend you have your author ized Audi
dealer perform this serv ice for you.
Service and disposal of safety belt preten­
sioner
The safe ty belt pretens ione rs are pa rts of the
safety be lts on yo ur Audi. Installing, removing,
servicing or repairing of belt pretensioners can
S afet y be lts
damage the safety belt system and prevent it
from working correctly in a col lision .
T he re are some important things you have to
k now to make s ure tha t the effectiveness of the
system will not be impaired and that d iscarded
components do not cause injury or pollute the
environment.
A WARNING
-
Imp roper care, servicing and repair proce­
dures can increase the risk of personal in jury
and death by preventing a safety belt preten­
sioner from activating when needed or act i­
vating it unexpectedly:
- The belt pretensioner system can be activat­ ed only once. If belt pretens ioners have
been activated, the system must be re­
p la ced.
- Never repair, adjust, or change any parts of
the safety belt sys tem.
- Safety belt systems including safety belt
p retensioners cannot be repai red. Spec ial
p ro cedures are required fo r removal, instal­
lation and di$pO$al of thi$ $y$tem.
- For any wo rk on the safety belt system, we
s trong ly recommen d that you see yo ur au­
thor ized A udi dealer or qualified techn ician
who has an Audi approved repair man ual,
tra ining and special equipment necessa ry.
@ For the sake of the environment
U nd eployed a irbag modules and p retension­
ers might be classif ied as Pe rc hlo ra te Ma teri­
a l - special handling may apply, see
www.dtsc.ca.gov/hazardouswaste/perchlo­ r ate. When the vehicle or parts of the re­
straint system including airbag modu les safe­
ty belts with pretensioners are scrapped, all
applicable laws and regu lations must be ob­
se rved. Your authorized Audi dealer is familiar
with these requirements and we recommend
that you have your dealer perform this service
fo r yo u.
183

Airbag syste m
must be performed by qualified workshops
only. Make sure that any airbag service ac­
tion is entered in your Aud i Warranty
&
Maintena nce booklet under AIRBAG RE­
PLACEMENT RECORD.
- For safety reasons in severe accidents, the
alternator and starter are separated from
the vehicle battery with a pyrotechn ic circuit
in terrupter.
- Work on the pyrotechnic circuit interrupt­
er must only be performed by a qualified
technicians who have the experience, in­
formation and special tools necessary to
perform the work safely.
- If the vehicle or the circuit interrupter is
scrapped, all applicab le safety precautions
must be followed .
@ For the sake of the environment
Undeployed airbag modu les and pretension ­
ers might be classified as Perch lorate Materi­
al -special handling may apply, see
www.dtsc.ca.gov/hazardouswaste/perchlo­ rate . When the veh icle o r parts of the re­
stra int system including airbag modules and
safety belts w it h pretensioners are scrapped,
all applicable laws and regu lations must be
observed. Your authorized Audi dealer is fa­
m iliar with these requirements and we recom ­
mend that you have your dealer perform this
serv ice for you.
Other things that can affect Advanced
Airbag performance
Changing the vehicle's suspension system can
change the way that the Advanced A irbag System
pe rforms in a crash. For e xamp le, using t ire -r im
comb inations no t approved by Audi, lowering t he
veh icle, chang ing the stiffness o f the suspe nsio n,
i n cluding the springs, suspension struts, shock
absorbers etc . can change the forces that are
measured by the airbag sensors and sent to the
electronic contro l unit . Some suspens ion changes
can, for example, increase the force levels meas­
ured by the sensors and make the airbag system
deploy in c rashes in w hich it would not deploy if
the changes had not been made. Other ki nds of
200
changes may reduce the force levels measured by
the sensors and prevent the airbag from deploy­
i ng when it should .
_& WARNING
Changing the vehicle's suspension including
use of unapproved tire-rim comb inations can
change Advanced Airbag performance and in­
crease the r isk of serious personal injury in a
crash .
- Never install suspension components that do not have the same performance charac­
ter istics as the components origina lly instal­
led on your vehicle.
- Never use tire-r im combinations that have
not been approved by Aud i.
Knee airbags
Description of knee airbags
Applies to vehicles: with knee airbags
The knee airbag system can provide supplemen­
tal protection to properly restrained front seat
occupants .
Fig . 16 7 D river 's knee a irbag
The driver knee airbag is in the instrument panel
u nderneath the s teer ing whee l¢
fig. 167, the
airbag fo r the passenger is at about the same
height in the i nstr ument panel underneath the
glove compa rtment.
The knee airbag offers add itiona l protect ion to
the d river's and passenge r's knees and uppe r and
l ower thigh areas a nd sup plements the p rotec­
t ion prov ided by the safety belts .
If the front airbags deploy, the knee a irbags also
deploy in fron tal coll is ions when t he deployment ..,_

,....,
N
0 > co ,...., -If you are unable to determine whether or
not a particular fuel blend meets the speci­
ficat ions, ask your service station or its fuel
supplier.
- Do not use fuel for which the contents can­
not be identified.
- Fuel system damage and performance prob­
lems resulting from the use of fue ls diffe r­
ent from those specified are not the respon­
s ibility of Audi and are not covered under
the New Veh icle or the Emiss ion Control
System Warrant ies .
- If you experience a loss of fue l economy or
driveability and pe rformance prob lems due
to the use of one of these fuel blends, we r ecommend that you switch to unblended
fuel.
Gasoline additives
A ma jor concern among many auto manufactur­
ers is carbon deposit build-up ca used by the type
of gasoline yo u use.
A lthough gasoline gr ades d iffer from one manu ­
facturer to another, they have cer tain things in
common . A ll gasoline grades contain substances
that can cause deposits to collect on vita l engine
parts, such as fue l injectors and intake valves. Al­
though most gasoline brands include additives to
keep engine and fuel systems clean, they are not
equally effective .
Aud i recommends using TOP TIER Detergent Gas­
oline. For more informat ion on TOP TIER Dete r­
gent Gasoline, please go to the official website (www.toptiergas .com) .
After an extended period of using inadequate
fuels, carbon deposit build-ups can rob your en­
g ine of peak performance.
(D Note
Damage o r malfunction due to poo r fuel q ual­
ity is not covered by the Aud i New Vehicle
Limited Warranty.
Ch eck ing and Filling
Diesel fuel
Applies to vehicles: wi th diesel engine
Always use U LSD (Ultra Low Sul fur Diesel) No. 2 .
The ULSD No . 2 meets the ASTM D97S.
D iesel f ue l w it h con cen tratio ns of b iod iesel h igh­
er than 5% such as B11, B2 0 or B100 are strictly
prohib ited .
Se rvice station fuel pumps are labe led with the
correct f uel info rmation for easy recog nition by
the user. If the d iesel f uel pump is no t labeled
ask the station operator wha t fu el is being dis ­
pensed before filling up your vehicle .
UL SD No. 2 m ay not be available outside the USA
and Can ada . Be s ure to che ck before traveling to
other countries .
UL SD No . 2 can become thic ke r i n ve ry co ld tem­
peratures, and th is can imp air the engine's s tart ­
ing and running. Depend ing on the season, gas
stations provide ULS D No . 2 that flows be tter in
cold temperatures so that you can continue oper­
at ing your vehicle as usual.
(D Note
- Your vehicle's diese l engine was designed
soley for use w ith ULSD No . 2 . Therefo re,
neve r use gasoline, heating oil, other fuels
or flow imp rovers. These contain substances
that will severely damage the fuel system and the engine . Such damage will not be
covered by yo ur New Vehicle Limi ted War­
ranty .
- If you put a ny amo unt of incorrect fuel in
the fuel tank, do not sta rt the eng ine under
any circumstances. Immed iately contact the
nea res t author ized A udi dealer or author­
ize d Aud i Serv ice Facili ty fo r ass ist ance.
T hese f uels conta in su bstances tha t can se­
verely damage the fuel system an d the en­
gine if the engine is started.
- If the diese l fuel quality is poo r, it may be
necessary to have the wate r drained from
the water sepa rato r in the
fuel filter more
often t han spec ified in the maintenance
schedule. This can help reduce engine mal­
functions <=>
page 24.
229

Checking and Filling
@ Tips
Fue l can age and may lead to prob lems when
starting. Audi recommends replacing the fuel
in your vehicle within six months.
@ Tips
- If the engi ne is running while fueling, va­
pors can escape or the fuel can spill over.
Because of th is, the fuel no zzle switches off
before the tank is full.
- Do not fuel the vehicle when the ignition is
switched on. Otherwise, the fuel gauge may
not show t he correct level after fueling the
vehicle .
- Diesel veh icles are equ ipped with a diesel
misfueling guard
1>. It allows the vehicle to
be f ueled on ly w ith a diesel fuel pump noz­
zle .
- A wo rn o r damaged nozzle or a nozzle that
i s too smal l may not be ab le to open the
diesel misfueling protector . If this is the
case, try t urning the nozzle before inserting
i t in the f uel fille r neck, u se a d ifferent fue l
pump or see an aut horized Audi dea ler or
a uthorized Audi Service Facility fo r assis­
tance .
- The misf ueling guard does not open when
adding fue l from a fue l conta iner . You can
bypass it by adding the diesel fuel slow ly.
- The fuel filler door on your ve hicle does not
l ock when you lock the vehicle from the in­
side.
l ) Ma rket -specifi c
232
Fuel filler door emergency release
If the cen tral locking system is faulty, the fuel
filler door can be unlocked manually .
Fig. 188 Right re ar l ug gag e compa rtm en t: em erg enc y re ­
lease (example)
T he emergency release mechan ism is located be­
hind the right s ide trim panel in the luggage
compartment.
.,. Remove the cover in the side panel.
.,. Loosen the loop from the retainer and then pull
on the loop carefully-arrow-
~ CD. The fuel fill­
er door is released .
.,. To open the f uel filler door, press on the left
side
~ page 230, fig. 186 .
Plug-in hybrid drive*: read and follow the instruc­
tions unde r
Qpage 109.
(D Note
Only pu ll on the loop until you feel res ista nce .
You wil l not hear it re lease. Otherw ise you
could damage the emergency release mecha­
n ism .
Catalytic converter
Applies to vehicles: with gasol ine engine
It is very important tha t your emi ssion control
sys tem (ca talytic conv erter) is functioning prop­
erly to ensure that your vehicle is running in an
env ironmentally sound manner .
.,. Always use lead-free gasoline ~ page 228, Gas­
oline grade .
.,. Never run the tank down all the way to empty . ..,.

Check ing and F illing
Selective catalytic
reduction (AdBlue)
General information
Applies to vehicles: with diesel engine
In vehicles with selective cata lytic reduction, a
urea solution (AdB lue) is injected into the ex­
haust system before a nitrogen oxide catalytic
converter to reduce nitrogen emissions.
Ad B lue is the marketing name for Diesel Exha ust
Fl uid (DEF).
The AdBl ue is carried in a separate ta nk in the ve­
hicle. The Ad Blue usage accounts for approxi­
mate ly 0.5% to 1.2% of the diesel f uel that is
used .
W hen a message about refilling the Ad B lue ap­
pears in the instrument cluster disp lay, you must
refill the Ad Blue you rself or have it refilled by an
author ized Audi dealer or authorized Audi Service
Facility ¢
page 235.
A WARNING
-
Failure to heed AdBlue refill informat ion in
the instrument cluster can prevent the vehicle
from being started and dr iven . If the vehicle
cannot be driven and an emergency arises,
perso na l in jur y can occur.
- Always have the AdBlue tank refilled well
before the tank runs dry .
(D Tips
-The instrument cluster display indicates the
distance rema ining t hat can be driven
¢ page 234. If the AdBlue tank is com­
plete ly empty, the engine wi ll not start
again after the ignition is sw itched off.
- Ad B lue is req uired by law to operate this ve­
hicle.
234
· Messages in the instrument cluster display
Applies to vehicles: with diesel engine
T he display indicates if the Ad Blue level is low or
if there is a system malfunction .
AdBlue level low
Yo u w ill be informed if the AdB lue in the tank
drops below a certain level.
AdBlue /;) Refill xxx l -xxx l Ad Blue . Range
1500 mi (2400 km)
This message appears w hen the re is on ly enough
Ad Blue left to dr ive the dis tance indicated in the
driver information system . Refi ll the recom ­
mended amount of Ad Blue . The sma ller va lue
given in the message rep resents the minim um
amount and the larger value is the maxim um
amount.
AdBlue /9 Refill xxx l -x xx l Ad Blue ! No restart
in
600 miles ( 1000 km). See owner 's manual
This message appears w hen the re is on ly enough
Ad B lue left to drive the distance indicated in the
driver information system . Refi ll the recom­
mended amount of Ad Blue. Otherwise the engine
will not sta rt again if you stop it once the dis­
tance indicated h as been driven. The smaller val­
ue g iven in the message represents the m inimum
amount and t he larger value is the maxim um
amount . As long as the indicator
li gh t is on , you can chec k the rema ining range in
t h e tr ip comp ute r*.
Refill xxx l -xxx l Ad Blu e! Engine
start not po ssible! See owner 's manu al
This message appears when the Ad Blue tank is
empty . Fill the Ad Blue . Otherwise you w ill not be
able to sta rt the engi ne aga in once you stop it .
The Ad Blue must be refilled when the amount in
the tank has reached the min imum level
¢ page 235 , Filling AdBlue .
¢'4 Incorrect filling /system malfunction
A message appea rs if the Ad Blue tank was fi lled
with a f lu id other than Ad Blue and the system
has detected that the tank was filled incorrectly,
or if there is a system malfunction.

.... N
0 > CX)
....
"' U"I
....
"' ....
Ad Blue,/' Ad Blue: sy stem fault! No re start in
600 miles (1000 km ). See owner' s manual.
This mes sage appea rs when it is only poss ible to
d rive the d ist an ce ind icated in the dr iver informa­
tion system . Drive to the nearest autho rized Audi
dealer or authorized Audi Service Facility to have
the ma lfunction corrected . Otherwise the engine
w ill not start again if you stop it once the d is­
tance indicated has been driven .
Ad Blue: system fault . Engine start
not possible! See owner 's manual
This message appears if the sys tem has de te cted
that the tank was filled incorrectly or that there
is a malfunction. Drive immediately to the near­
est authorized Aud i dea ler or a uthorized Aud i
Service Facility to have the malfunction correct­
ed. Otherwise you will not be able to start the en­
g ine again once you stop it .
Filling AdBlue
Applies to vehicles: with selective catalyt ic redu ction
A special refill bottle must be used to fill the
AdBlue.
F ig. 1 89 Right rear s ide of t he veh icle: remov ing the AdB l·
ue cap
F ig. 190 Ad Blue filler neck: insert ing refill bottle
Checking and Filling
T he Ad Blue tank open ing is located near the d ie ­
sel tank opening. Add at least 1 gallon (3.8 lit­
ers) of Ad B lue (two bottles) . This is the min imum
amount required to ensure the system detects
the refilling and to start the engine. You can add a max imum of approximately 4 gallons (15 l it ­
ers).
Opening the filler neck and refilling AdBlue
with a bottle
Requireme nt: T he request to add AdBlue must
appear in the instrument cluster disp lay .
.. Park your veh icle on a level s urface.
• Switch the ignit ion off.
• Open the tank door¢
page 230.
• Turn the cap on the tank opening to the left to
remove ¢
fig. 189.
• Remove the cap from the ref ill bo ttle.
• Posi tion the refill bo ttle on the fil le r tube and
turn the bottle clockwise until it stops t urning
• Press lightly against the bottom of the bottle
@ to empty it. Continue press ing the bottom
of the bottle until it is empty or until f luid
stops f low ing into the ta nk.
• Tu rn the bottle to t he left without pressing on
the bottom .
Closing the filler neck
.. Turn the Ad B lue cap to the right on the filler
tube until the cap clicks into place.
• Close the tank cover.
Afte r filling
The vehicle must be driven . The system may take
u p to two minutes to detect t hat the AdBl ue has
been filled.
• If the re w as no Ad B lue left in the tank and a
range of
O mi (0 km) was displayed in the in­
strument cluster, switch the ign it ion on for
about 30 seconds before starting the engine.
A WARNING
-Ad B lue can irritate the sk in, eyes and respira-
tory system . If there is contact with the flu id,
flus h immed iate ly w it h plenty of water. Con-
su lt a phys ic ian if necessa ry.
~
235

Checking and Filling
CJ) Note
-Only use Ad Blue that conforms to the
standard ISO 22241-1. Do not mix any addi­
tives with the AdBlue and do not dilute it
with water.
- Only use refill bottles that are approved for your vehicle. Using other systems can cause Ad Blue to leak.
- Do not add Ad Blue to the diesel tank or add diesel fuel to the Ad Blue tank. Do not start
the engine under any circumstances if the
wrong fuel is filled in the tank . There is a
risk of damaging the fuel tank system and
the engine . See an authorized Audi dealer or
authorized Audi Service Facility for assis­
tance.
- AdBlue attacks surfaces such as painted ve­
hicle components, plastic and carpet. Re­
move the fluid as quickly as possible with a
damp cloth and plenty of cold water. If the
Ad Blue has already crystallized, use warm
water and a sponge. AdBlue residue that is
not removed will crystallize and can damage
the affected surface .
- Do not store the refill bottle in the vehicle.
If it leaks, the escaping Ad Blue could dam­
age the vehicle interior .
- Do not allow Ad Blue to come into contact
with clothing. If there is contact with the
fluid, flush immediately with plenty of wa ­
ter .
(D Tips
-You can obtain refill bottles from an author­
ized Audi dealer or authorized Audi Service
Facility .
- Follow the Ad Blue manufacturer's instruc­
tions for use and storage .
- A permitted refill bottle contains approxi­
mately 1.9 liters of AdBlue .
- Ad Blue can freeze at very low temperatures.
If this happens, the system will not detect
that the Ad Blue was refilled and it will con­
tinue to inform you of the low AdBlue level.
The message turns off as soon as the tank
thaws out again.
236
Engine compartment
Working in the engine compartment
Special care is required if you are working in the
engine compartment
For work in the engine compartment such as
checking and filling fluids, there is a risk of in­
jury, scalding, accidents, and burns. For this
reason, follow all the following listed warnings
and general safety precautions. The engine
compartment is a dangerous area.
¢ .&. .
.8, WARNING
To reduce the risk of injuries, complete the
following steps before opening the hood:
- Turn the engine off.
- Switch the ignition off.
- Set the parking brake.
- Place the selector lever in the P position.
- Let the engine cool down.
- Never open the hood when you see that
steam or coolant drips from the engine
compartment- there is a danger of burns!
Wait until no steam or coolant flows out.
- Keep children away from the engine com­
partment.
- Never spill fluids on a hot engine. These flu­
ids (such as the freeze protection contained in the coolant) can catch fire.
- Avoid short circuits in the electrical system,
especially the battery.
- When working in the engine compartment,
remember that the radiator fan can switch
on even if the ignition is switched off, which
increases the risk of personal injury.
- Never open the cap on the coolant expan­
sion tank when the engine is warm . The
cooling system is under pressure.
- To protect your face, hands, and arms from
hot steam or coolant, cover the cap with a
large cloth when opening.
- Do not remove the engine cover under any
circumstances . This increases the risk of
burns.
- If tests need to be performed with the en-
-
gine running, there is additional danger due ~

Checking and Filling
Diesel engine compartment overview
The most important check points.
Fig. 194 Typical location of the rese rvoir, engine o il dipstick, and engine oil fille r opening
(D Coolant expansion tank (- L) .. ...
@
®
©
®
®
0
®
Engine oil dipstick ............ .
Engine oil filler opening
(9=:r.) .. .
Brake fluid reservoir ((0))
Battery(+) under a cover
Body ground point( -)
Washer fluid reservoir
(q) ..... .
Fuse housing .. .............. .
245
242
242
246
248
251 291
The engine oil fi ller opening and the dipstick
(items @ and @)¢
fig. 194 may be located in a
different area depending on engine version.
,& WARNING
Read and follow all WARNINGS before check­
ing anything in the engine compartment
¢page 236.
240
Engine oil
Engine oil specifications
The engine oil used must conform to exact speci­
fications.
The service interval display in the instrumen t
cluster of your vehicle will inform you when it is
time for an oi l change. We recommend that you
have your oi l changed by an authorized Audi Serv­
ice Advisor.
If you have to top off the oil between oil changes,
use the Audi oil quality standard specified in the
table .
Audi oil quality standard
Gasoline
VW 502 00 or
engine vw 504 00
Diesel vw 507 00
engine