2015 AUDI S3 SEDAN coolant

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-Always proceed with extreme caution so
that clothing, jewelry or long hair do not
become caught in the radia tor fan, fan
belt or other moving components or do not come into contact with hot compo­
nents . T ie back long hair before beg inning
work and do no t wear cloth ing that can
hang down into the eng ine.
- limit your exposure to exhaust and chemi­
cals to as short a time as possible
q ,& .
..&, WARNING
California Propos ition 65 Warning:
- Engine exhaust, some of its constituents,
and certai n veh icle components conta in or
em it chemicals known to the State of Cali­
forn ia to cause cancer and birth defec ts and
reproductive harm. In addition, certai n flu ­
ids contained in vehicles and certain prod­
ucts of component wear contain or emit
chemicals known to the State of California
t o cause cancer and birth defects or other
reproductive harm .
- Battery posts , terminals and related acces­
sories contain lead and lead compounds,
chem icals known to the State of California
to cause cancer and reproductive harms .
Wash hands after hand ling.
(D Note
When filli ng flu ids, be sure not to m ix the flu­
ids up . Otherwise seve re malfunctions and en ­
gine damage w ill occur .
@ For the sake of the environment
You should regu larly check the grou nd under
your veh icle in order to detect leaks quickly . If
there are visible spots from oil or other f luids,
b ring yo ur vehicle to an autho rized Aud i dea l­
er or authori zed Audi Se rv ice F acili ty to be
checked.
Ch eck in g and Fillin g
Opening the hood
The hood is released from the in terior .
Fig . 155 Se ctio n from t he dr iver' s footwe ll: re le a se le ve r
Fig . 156 Ro cke r swit c h un der t he hoo d
Make sure the wiper arms a re not raised up from
the windsh ie ld . Oth erwise the paint cou ld be
damaged.
.,. W ith the driver's door open, pull the lever be­
low the instr ument pane l in the d irect ion of the
arrow
<=> fig. 155.
.,. Raise the hood slightly r:!> ff::.. .
.,. Press the rocker switch unde r the hood upward
q fig. 156 . This re leases the catch .
.,. Open the hood .
..&, WARNING
-=
Never open the hood when you see that steam
or coolant drips from the engine compart­
ment- there is a da nger of bu rns! Wait unt il
n o steam or coolant flows out .
- Never open the hood when you see that
s team or coo lant dr ips from the e ngine
comp artment- the re is a dange r of burns !
Wait until no steam or coo lant flows o ut .
199

Checking and Fill in g
Closing the hood
.. Push the hood down until the force of the strut
is overcome.
.. Let the hood fall light ly into the Latch.
Do not
press it in.
c::> _&. .
A WARNING
If the hood is not latched completely, it cou ld
fly up while you are driving and obstruct your
vision.
Gasoline engine compartment overview
The most important check points .
-For safety reasons, the hood must always be
closed securely wh ile d riving. Because of
this, always check the hood after closing it
to make sure it is Latched correctly . The
hood is Latched if the front corne rs cannot
be Lifted.
- If you notice that the hood is not Latched while you are dr iving, stop immediately and
close it, because this increases the risk of an
accident.
F ig . 1 57 Typica l locat io n of th e reservo ir, eng ine oil dipstick, a nd engine o il filler opening
(D Coolant expansion tank (_L) .....
@
@
©
®
®
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®
Eng ine oil dipstick ......... ... .
E ng ine oil filler opening
("!:::r.) .. .
Brake fluid reservoir((())) ...... .
Ba ttery(+) under a cover
Body ground point(-)
Washer fluid reservoir
(W) ... .. .
Fu se housing ... ......... .... .
200
206
203
203
207
209
212
248
The engine oil filler opening and the dipstick
( items @and
@) c::> fig. 157 may be Located in a
different area depending on engine vers io n.
A WARNING -
Read and following the WARNINGS before
checking anyth ing in the eng ine compartment
c::> pag e 198.

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Checking and Filling
Diesel engine compartment overview
The most important check points .
Fig. 158 Typical locat ion of the reservoi r, eng ine oil dipstick, and engine o il filler opening
CD Coolant expansion tank (-L) .....
@
®
©
®
®
(J)
®
Engine oil dipstick ... ...... ... .
Engine oil filler opening (~) .. .
Brake fluid reservoir
(0))
Battery(+) under a cover
Body ground point(-)
Washer fluid reservoir
(O) ..... .
Fuse housing .......... ...... .
206
203
203 207
209
212
248
The engine oil filler opening and the dipstick
(items ® and @)¢
fig . 158 may be located in a
d ifferent area depending on engine version.
A WARNING
-
Read and following the WARNINGS before
checking anything in the engine compartment
¢page 198.
Engine oil
Engine oil specifications
The engine oil used must conform to exact speci­
fications.
T he service interval display in the instrument
cluster of your vehicle will inform you when it is
time for an oi l change. We recommend that you
have your oil changed by an authorized Audi Serv­
ice Advisor.
If you have to top off the oil between o il changes,
use the Audi oil qua lity standard specified in the
table .
Audi oil quality standard
Gasoline
VW 502 00 or
engine vw 504 00
Diesel VW 507 00
engine
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-Drain th e oi l into a container desi gned for
this purpose, one large enough to ho ld at
least the total amount of oil in your engine .
- Engine oil is poisonous . Keep it well out of
the reach of children.
- Continuo us contact with used engine oil is
harmful to your sk in. A lways protect your
sk in by washing oil off thoroughly w ith soap
and water.
(D Note
Never mix oi l addit ives with your engine oi l.
These additives can damage your eng ine and
adversely affect your Audi Limited New Veh i­
cle Warranty .
@) For the sake of the environment
-Before changing your oi l, f irst make sure
you know where you can properly dispose of
the used oil.
- Always d ispose of used engine oil proper ly.
Do not dump it on garden soil, wooded
areas, into open streams or down sewage
d rains .
- Recycle used e ngine oi l by taking it to a used
engine oil collection facility in your area, or
contact a service station .
Cooling system
Coolant
The engine coolant performs two functions: it
keeps the engine from overheating and it pro ­
tects the engine from freezing in the winter.
The cooling system is sea led and generally re ­
q ui res lit tle atten tion.
The cooling system has been filled at the factory
w ith a pe rma nen t coolan t which does no t need to
be ch anged . T he coolant consists o f a mixture o f
specia lly condit ioned wa ter and the man ufactu r­
er's glycol -based coolant additive Gl3 antifreeze
with anticor rosion add itives (SO% for USA mod­
e ls · 60% for Canadian models) . Th is m ixture bot h
'
assures the nece ssary fros t protection and p ro-
tects meta l components in the engine 's cooling
Checking and Fillin g
system from corrosion and scaling . It also raises
t h e boiling point of the coo lant .
D o no t redu ce the con cen tra tion of the coolan t in
the summer by ad ding plain water.
The prop or­
tion of coolant additive mu st be at least 50%
but not more than 60%
to maintai n antifr eeze
protection and cooling efficiency . If the coo lant
frost pro tec tion is too low, the coo lant co uld
freeze and damage the vehicle heating and en­
gine cooling system .
For year- ro und driving, antifreeze is added at the
factory for temperatures down to :
-- 31°F(-3S° C)USA
- -40 °F ( - 40 ° C) C anada.
If you must add coolant, use a mixture of water
and coolant additiv e. Mix ing the coo lant add it ive
with dis tilled wa te r is recommended .
A WARNING
Befo re you c hec k anythi ng i n the engi ne com ­
partment, always re ad and heed a ll WA RN­
IN GS
~page 198.
(D Note
- Befor e wi nter sets in , have the coo la nt
c hecke d to see if the cool an t additive in you r
vehicle is sufficient to meet the climate con ­
ditions . This is espec ia lly impo rtant if you
live in a region where the winter is extreme ­
ly cold . If necessary, increase the proportion
of coolant additive to 60%.
- When adding coolant additive to yo ur cool ­
ing system, remember:
- We recommend us ing o nly coo la nt addi­
tive G12 ++ o r G13 ( che ck the label) fo r
your ve hicl e. This coolant addi tive is av ail­
a ble at autho rized Aud i dea le rs . Othe r
types of ant ifreeze can significant ly re­
d uce corrosion protection. The resulting
corrosion can ca use a loss o f coolant and
serious engine damage.
- Do not add any type of rad iator leak sealant
to y our vehicle's engine coolant. Adding ra­
diator repa ir fluid may adversely affect the
function and perfo rmance of your cooling .,,.
205

Checking and Fill in g
system and could result in damage not cov­
ered by your New Vehicle Limited Warranty.
Adding coolant
Fig. 162 Eng ine compartment: ma rkings on the coola nt
expans ion tank
Read an d follo wing the WARNINGS before
checking anything in the engine compartment
r::;,page 198.
Checking the engine coolant level
.. Park your vehicle on a level surface.
.. switch the ignition off.
.. Read the coolant level on the coolant expansion
tank
r::;, fig . 162 . The coolant level must be be ­
tween the mark ings when the engine in cold .
When the engine is warm it can be slightly
above the upper marking .
Adding coolant
Requirement: there must be a residual amount of
coolant in the expans ion tank
c> Q).
.. Let the engine cool down.
.. Place a cloth over the coolant expansion tank
cap and unscrew the cap counterclockwise
<=>& .
.,. Add coolant mixed in the correct ratio
r::;, page 205 up to the upper marking .
.. Make sure that the fluid level rema ins stable.
Add more coolant if necessary.
.. Close the cap secure ly.
A coolant loss s uggests a leak. Immediate ly drive
your veh icle to an authorized A udi dealer or au­
thor ized Audi Service Facility and have the cool­
ing system inspected.
If the cooling system is not
leaking, a loss can come from the coolant boiling
206
thro ugh ove rheating and being pushed out o f the
cooling system.
A WARNING
The cooling system is pressurized and can be­
come very hot. To reduce the risk of burns
from hot coolant:
- Do not open the coolant expansion tank cap
w ith the engine hot. There is a risk of burns .
- Stop the eng ine and a llow it to cool.
- Protect your face, hands and arms from es-
caping coolant and steam by covering the
coo lant tank cap with a large, thick cloth.
- Turn the coolant tank cap counterclockwise
slowly and keep light pressure on the cap.
- To reduce the risk of burns, do not allow any
antifreeze or coolant to drip onto the e x­
haust system or hot engine components.
The ethy lene glycol in engine coola nt can
catch fire under certa in circumstances.
- The coolant additive and the coolant can be
dangerous to your health. For this reason,
keep the coolant in the o riginal container
away from ch ildren . The re is a risk of poison­
ing .
- W hen working in the engine compartment,
remember that the rad iator fa n can switch
on ev en if the ignition is switched off, wh ich
increases the risk of pe rsonal injury.
@ Note
Do not add coolant if the expans ion tank is
empty . Air cou ld enter the cooling system and
damage the eng ine. If this is the case, do not
continue driving. See an author ized Audi deal ­
er or a uth ori zed Audi Service Facility for a ssis­
ta nce .
. Radiator fan
The radiator fan switches on automatically by it­
self
An a uxiliary electric radiato r fan switches on and
off depending on coolan t temperature and other
vehicle ope rat ing cond itions .
After yo u sw itch the engine off, the aux ilia ry fan
can continue running for up to 10 m inutes -even .,,.

with the ignition off. It can even switch on again
l ater by itself~.& , if
- the temperature of the engine coolant rises due to the heat bui ld-up from the eng ine in the en ­
gine compartment, or
- the engine compar tment heats up because the
vehicle is parked in intense sunlight.
A WARNING , --
- To reduce the risk of personal injury never
touch the radiator fan.
- The auxiliary e lectric fan is temperature con­
trolled and can switch on suddenly even
when the engine is not running.
- The aux iliary radiator fan switches on auto­
matically when the engine coo lant reaches a
certain temperature and will continue to run
until the coolant temperature drops.
Brake fluid
Checking brake fluid level
Fig. 163 Engine compa rt m ent: cove r on the brake fluid
reservo ir
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Before you check anything i n the engine compa rt­
ment,
al ways re ad and h eed all W ARN INGS
~page 198.
... Read the brake fluid level from the b ra ke fluid
reservoir
r¢ fig. 163, r:¢ page 200, fig. 157. The
brake f luid leve l must be between the "MIN"
and "MAX" markings.
The location of the brake fl uid reservo ir can be
...., seen in the engine compartment illustration
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~ r¢ page 200.
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Check in g and Fillin g
The fluid level may drop slightly after some time
due to the automatic adjustment of the brake
pads . This is not cause for a larm.
If the brake f luid leve l falls considerably below
the "MIN" mark, the brake warning/indicator
light
1111 (U.S. mode ls) I. (Canadian models)
will come on
~ page 17. Do not continue to oper­
ate the vehicle . The comp lete brake system
should be thoroughly checked by an authorized
Audi dealer or other qualified fac ility and the
cause corrected . If the brake flu id level is too low,
the brake warning/indicator light wi ll illuminate .
Contact an a uthorized Audi dea ler
immedi ate ly .
Changing brake fluid
Have the brake fluid changed by an experienced
technician.
Brake fluid absorbs moisture from the air. If the
water content in the brake flu id is too hig h, cor­
ros ion in the brake system may result after a per i­
od of t ime. The bo iling po int of the brake fluid
will a lso decrease cons iderab ly and decrease
braking performance.
Therefore, the brake fluid must be changed
e ve ry
tw o years .
Always use new brake flu id which co n­
forms to Federal Motor Vehicle Standard "FMVSS
116 DOT 4".
The brake fluid reservoir can be diff icu lt to reach,
therefore, we recommend tha t you have the
brake flu id changed by you r authorized
Audi
de aler.
Your dea le r has the correct tools, the
right brake fluid and the know-how to do this for
you .
A WARNING
- -
-Brake flu id is poisonous. It must be stored
only in the closed original conta iner out of
the reach of children !
- Brake failure can resu lt from o ld or inappro­
priate brake fluid. Observe these precau­
tions:
- Use only brake fluid that meets SA E spe ci­
ficat ion
J 1703 and conforms to Federa l
Motor Vehicle Standard 116. Always check
with your a uthorized Audi dea ler to make
~
207

Bead
means the part of the tire that is
made of steel wires, wrapped or
reinforced by ply cords and that is
shaped to fit the rim.
Bead separation
means a breakdown of the bond
between components in the bead.
Cord
means the strands forming the
plies in the tire .
Cold tire inflation pressure
means the tire pressure recom­
mended by the vehicle manufac­
turer for a tire of a designated
size that has not been driven for
more than a couple of miles (kilo­
meters) at low speeds in the three
hour period before the tire pres­
sure is measured or adjusted.
Curb weight
means the weight of a motor ve ­
hicle with standard equipment in­
c luding the maximum capacity of
fuel, oil, and coolant, air condi ­
tioning and add itional weight of
optional equipment.
E xtra load t ire
means a tire designed to operate
at higher loads and at higher in -
Tires a nd whe els
flation pressures than the corre­
spond ing standard tire. Extra load
tires may be identified as "XL",
" xl", "EXTRA LOAD", or "RF" on
the sidewall.
Gross A xle Weight R ating
( " GAWR")
means the load -carrying capacity
of a single axle system, measured
at the tire-ground interfaces .
Gross Vehicle Weight Rating
(" GVWR ")
means the maximum total loaded
weight of the vehicle.
Groove
means the space between two ad­
jacent tread ribs.
Load rating (code )
means the maximum load that a
tire is rated to carry for a given in ­
flation pressure . You may not find
this information on all tires be­ cause it is not required by law.
Ma ximum load rating
means the load rating for a tire at
the maximum permissible infla­
tion pressure for that tire.
Ma ximum loaded vehicle
weight
means the sum of:
217
...

.&_ WARNING
Please note the important safe­
ty precautions regarding tire pressure ¢
page 224 and load
limits¢
page 227.
Tires and vehicle load limits
There are limits to the amount of load or weight that any vehicle
and any tire can carry . A vehicle
that is overloaded will not handle
well and is more difficult to stop .
Overloading can not only lead to
loss of vehicle control, but can al­
so damage important parts of the
vehicle and can lead to sudden
tire failure, including a blowout
and sudden deflation that can
cause the vehicle to crash.
Your safety and that of your pas ­
sengers also depends on making
sure that load limits are not ex­ ceeded. Vehicle load includes ev­
erybody and everything in and on
the vehicle. These load limits are
technically referred to as the vehi­ cle's
Gro ss Vehicle We ight Rating
("GVWR").
The "GVWR" includes the weight of the basic vehicle, all factory in­
stalled accessories, a full tank of
fuel, oil, coolant and other fluids
Tires and wheels
plus maximum load . The maxi­
mum load includes the number of
passengers that the vehicle is in ­
tended to carry ("seating capac i­
ty") with an assumed weight of
150 lbs . (68 kg) for each passen­
ger at a designated seating posi­
tion and the total weight of any luggage in the vehicle . If you tow
a trailer, the weight of the trailer
hitch and the tongue weight of
the loaded trailer must be includ­ ed as part of the vehicle load.
The
Gross Ax le Weight Rating
("GAWR") is the maximum load
that can be applied at each of the
vehicle's two ax les.
T he fact that there is an upper
limit to your vehicle's Gross Vehi ­
cle Weight Rating means that the
total weight of whatever is being
carried in the vehic le (inc luding
the weight of a trai ler hitch and
the tongue weight of the loaded
trailer) is limited. The more pas­
sengers in the vehicle or passen­
gers who are heavier than the
standard we ights assumed mean
that less weight can be carried as luggage.
The Gross Vehicle Weight Rating
and the Gross Axle Weight Rating .,..
227