2016 AUDI TT COUPE engine

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Fuel
Gasoline grade
The correct gasoline grade is stated on the inside
of the fuel filler door.
The vehicle is equipped with a catalytic converter
and must only be driven with unleaded gasoline.
Audi recommends using TOP TIER Detergent Gas­
oline. Additional information on TOP TIER Deter­
gent Gasoline can be found on the official web­
site (www.toptiergas.com).
The individual gasoline grades are differentiated
by octane ratings. This value is given with (R+M)/
2 equating to AKI or in RON.
The following headings match the corresponding
sticker in the fuel filler door.
UNLEADED FUEL ONLY MIN. (R+M)/2 87
Regular I MIN. RON 91 Regular
Use regular gasoline with minimum 87 AKI I
91 RON ~CD.
The maximum engine power is only reached if
p r
emium gasoline 91AKII95 RON is used.
UNLEADED FUEL ONLY PREMIUM MIN. (R
+M)/2 91 I SUPER MIN. RON 95
Using premium gasoline with minimum 91 AKI I
95 RON is recommended.
If premium gasoline is not available, you can also
use regular gasoline 87 AKI I 91 RON. However
this does reduce the engine power slightly.
CD Note
-Fill ing the tank just one time with leaded
fuel or other metallic additives will cause
permanent deterioration to the catalytic
converter function.
-When gasoline with an octane rating that is
too low is used, high speeds or heavy engine
load
can lead to engine damage.
Checking and Filling
{!) Tips
The vehicle can be filled with fuel that has a
higher octane rating than what is required by
the engine.
Blended gasoline
Use of gasoline containing alcohol or MTBE
(methyl tertiary butyl ether)
You may use unleaded gasoline blended with al­
cohol or MTBE (commonly referred to as oxygen­
ates) ifthe blended mixture meets the fo llowing
criteria:
Blend of gasoline methanol (wood alcohol or
methyl alcohol)
-Anti-knock index must be 87 AKI or higher.
- Blend must contain no more than 3% metha-
nol.
- Blend
must contain more than 2o/o co-solvents.
Blend of gasoline and ethanol (grain alcohol or
ethyl alcohol)
-Anti-knock index must be 87 AKI or higher.
- Blend must not contain more than 15% etha-
nol.
Blend of gasoline and MTBE
-Anti-knock index must be 87 AKI or higher.
- Blend must contain not more than 15% MTBE.
Seasonally adjusted gasoline
Many gasoline grades are blended to perform es­
pecially well for winter or summer driving . Dur­
ing
seasonal change-over, we suggest that you
fill
up at busy gas stations where the seasonal
adjustment is more likely to be made i n time.
CD Note
-Methanol fuels which do not meet these re­
quirements may cause corrosion and dam­
age to plastic and rubber components in the
fuel system.
-Do not use fuels that fail to meet the speci-
fied
crit eria in this chapter. ll>
231

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-If you a re unable to determine whether or
not a particular fuel blend
meets the speci­
fications, 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 fuels differ­
ent from those specified are not the respon­
sibility of
Audi and are not covered under
the New Vehicle or the Emission Control
System Warranties.
- If you experience a loss of fuel economy or
driveability and performance problems due
to
the use of one of these fuel blends, we
recommend
that you switch to unblended
fuel.
Gasoline additives
A major concern among many auto manufactur­
ers
is carbon deposit build-up caused by the type
of gasoline
you use .
Although gasoline grades differ from one manu­
facturer
to another, they have certain things in
common. All gasoline grades contain substances
that can cause deposits to collect on vital engine
parts, such as fuel injectors and intake valves.
Al­
though most gasoline brands include additives to
keep engine and fuel systems clean, they are not
equally effective .
Audi recommends using TOP TIER Detergent Gas­
oline.
For more information on TOP TIER Deter­
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
gine of peak performance.
CD Note
Damage or malfunction due to poor fuel qual­
ity
is not covered by the Audi New Vehicle
Limited Warranty.
232
Refueling
Fuel filler neck
The fuel filler neck is located on the right rear
side panel behind
the fuel filler flap.
If the power locking system should fail, you can
still open
the flap manually -for detailed instruc­
tions see
~page 235.
You can find the fuel tank capacity of your vehicle
in ~page 299.
The label on the inside of the fuel filler flap tells
you
the correct fuel for your vehicle. For more in­
formation about fuel specifications, see
~page 231.
Your vehicle fuel tank has an on board refuelling
vapor recovery system. This feature helps to pre­
vent fuel vapors from escaping from
the tank and
polluting
the environment while you refuel your
vehicle .
In order to fill the tank properly while
protecting
the environment, please follow this
refueling procedure carefully.
.&. WARNING
Under normal operating conditions, never car­
ry additional fuel containers in your car. Gas
canisters and other containers used to trans­
port fuel can be dangerous. Such containers,
full or empty, may leak and could cause a fire
in a collision. If you must transport fuel to
use for your lawn mower, snow blower, etc.,
be very careful and always observe local and
state laws regarding the use, transportation
and storage of such fuel containers.
Make cer­
tain the container
meets industry standards
(ANSI/ASTM F8S2 -86).
{[) Note
Never drive your vehicle until the fuel tank is
completely empty. The irregular supply
of
fuel can cause misfiring. Gasoline could enter
the exhaust system and damage the catalytic
converter.

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Fueling procedure
Fig. 177 Right re ar vehicle side: opening the fuel filler
door
Fig. 178 Engaged fuel pump nozzle
The fuel filler door is unlocked or locked by the
central locking system.
.. Press on the fuel filler door to open -arrow-
Q fig. 177. Your vehicle comes with a new tank
system without a cap.
.. Insert the fuel pump nozzle all the way into the
tankfiller neck ~fig. 178. Make sure it is cor ­
rectly locked
in place.
.. Begin fueling. Once the pump nozzle switches
off, the fuel tank is "full" . Do not fill the tank
more. Otherwise the expansion space in the
tank will be filled .
.. Pull the pump nozzle out of the tank filler neck
five
seconds after i t has switched off, so that
the rest of the fuel can flow out of the pump
nozzle into the filler neck.
.. Close fuel filler door until it latches.
The correct fuel type for your vehicle can be
found on a label located on the inside of the fuel
filler door. For additional information on fuel re-'
fer to ¢page231.
The fuel tank capacity of your vehicle is listed in
the Technical Data section Qpage 299.
Checking and Filling
.&. WARNING
Not paying attention when fueling or han­
dling fuel incorrectly can lead to fires, explo­
sions or serious injuries.
- Fuel igni
tes easily and can cause serious
burns and other injuries .
-
-If you do not switch the engine off when fu­
eling and/or do not insert the fuel nozzle
completely into the tank opening, fuel can
leak
out or run over . Leaked fuel can ignite
and start a fire.
-
Do not use the telephone while fueling . The
electromagnetic rays can cause sparks,
which can ignite fuel vapors and start a fire.
-
Do not sit in your vehicle while fueling. If
you must make an exception and enter your
vehicl e again while fueling, close the door
and touch metal to discharge static electric­
ity
before touching the fuel nozzle . Static
electricity can create sparks, which can ig­
nite vapors when fueling.
-
Do not smoke or have an open f lame in the
area when fueling your vehicle or filling a
fuel container because this increases the
risk of an explosion .
- For
your safety, carrying fuel containers in
your vehicle is not recommended. Whether
full or empty, the container can leak and
cause a fire in the event of an accident .
-
If you must make an exception and trans­
port a fuel container, note the following :
- Never fill
the fuel container with fuel
while it is in or on the vehicle . Static elec­
tricity is discharged when filling which can
cause the fuel vapors to ignite and in­
creases the risk of an exp losion .
-Always place a fuel container on the
ground before filling .
- Always hold
the fuel nozzle completely in
the fuel container when filling .
-
If the fuel container is made of metal, the
fuel nozzle must always be in contact with
the container when filling it with fuel. This
prevents static electricity from discharg­
ing.
- Never
spill fuel in the vehicle or the lug­
gage compartment. Evaporated fuel is
233

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explos ive and increases the risk of serious
injury or death.
- Follow legal requirements when using,
storing and transporting fuel containers.
-Make sure the fuel container conforms to
industry standards (ANSI/ASTM F852-86).
CD Note
- Remove any overflowing fuel from the vehi­
cle
paint immediately.
- Never drive
until the fuel tank is completely
empty. The irregular supply of fuel that re­
sults from that can cause engine misfires.
Uncombusted
fuel will enter the exha ust
system and increase the risk of damage to
the catalytic converter.
@ For the sake of the environment
If the fuel nozzle is used correctly, it will indi­
cate that the tank is full the first time it
switches off automatically. Do not try to add
more fuel, because it can spill over. Also, the
expansion space in the tank will fill, which can
result in fuel spilling out when it becomes
warm and polluting the environment.
Tips
If adverse weather conditions cause the fuel
filler door to freeze shut, press on the center
of the filler door with the heel of your hand
and then try opening it again.
(0 Tips
-If the engine is running while fueling, va­
pors
can escape or the fuel can spill over.
Because
of this, the fuel nozzle 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 the correct level after fueling the
vehicle.
- Your vehicle
is equipped with a misfueling
guard.
It allows the vehicle to be fueled on­
ly with the correct fuel pump nozzle.
- A worn
or damaged nozzle or a nozzle that
is too small may not be able to open the
diesel misfueling protector. If this is the
234
case, try turning the nozzle before inserting
it in the fuel filler neck, use a different fuel
pump or see an authorized Audi dealer or
authorized Audi Service Facility for assis­
tance.
-The misfueling guard does not open when
adding fuel from a fuel container. When re­
fueling with a reserve canister, you
must
use the funnel stored in the luggage com­
partment qpoge 234, fig. 179.
Fueling with reserve canister (emergency
fueling)
F ig . 179 Luggage compartment: funnel
Fig .
180 Fuel tank filler neck with the mou nted funnel
Read and follow the important safety precau­
tions c:) ,&. in Fueling procedure on page 233.
"'Press on the fuel filler door to open -arrow-
q page 233, fig. 177.
"' Remove the cargo floor q page 2 75.
"'Remove the plastic floor panel qpage 51,
fig.
54.
"' Remove the funnel from the luggage compart­
ment.
"' Insert the funnel into the tank filler neck all the
way until it stops q fig. 180. Make sure that the
ring on the funnel goes into the fuel tank filler
neck.
1111>

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.. Guide the reserve canister filler tube into the
funnel and start the emergency fueling.
.. Remove the funnel after refueling and close the
fuel filler door so that it latches shut.
CD Note
Remove any overflowing fuel from the ve hicle
paint immediately.
Fuel filler door emergency release
If the fuel filler door lock is faulty, the fuel filler
door con be unlocked manually.
Fig. 181 L uggage compa rtment: cover in t he r ight side
t
rim panel
.,.. Open the luggage compartment lid.
.. L ift the cargo floor .
"'
"' 0 0
it IIl
.,.. Loosen the strap from its holde r and pull on it
carefu lly Qfig. 181.
Catalytic converter
It is very important that your emission control
system (catalytic converter) is functioning prop­
erly to ensure
that your vehicle is running in on
environmentally sound manner.
.,.. Always use lead-free gasoline Q page 231, Gas­
oline grade .
.. Never run the tank down all the way to empty.
.. Never put too m uch motor oil in your engine
Q page 240, Adding engine oil "t::r..
.. Never try to push-or tow-start your vehicle.
The
catal ytic converter is an efficient "clean-up"
device built into the exhaust system of the vehi­
cle. The catalytic
converter burns many of the
pollutants in the exhaust gas before they are re­
leased into
the atmosphere .
Checking and Filling
The exclusive use of unleaded fuel is critically im­
portant for the life of the catalytic converter and
proper functioning of the engine.
A WARNING
f= - I
The temperature of the exhaust system is
high, both when driving and after stopping
the engine.
- Never
touch the exhaust tail pipes once they
have become hot. This could result in burns.
-Do not park or operate the vehicle in a reas
where the hot exhaust system may come in
contact with dry grass, brush, fuel spill or
other material which can cause a fire .
-
Do not appl y additional undercoating or
r ustproofing on or near the exhaust mani­
fold, exhau
st pipes, catalytic converter or
heat shields. During driving, the substance
used for un dercoating could overheat and
cause a fire.
CD Note
-Be aware that just one tank filli ng with
leaded fuel w ill already seriously degrade
the performance of th e c atalytic converter .
-
Do not exceed the correct engine oil leve l
Qpoge240 .
-Do not drive until the fuel tank becomes
completely empty. The engi ne could mis­
fire. Unbu r
ned fuel coul d also get into the
exhaust system and this could cause the
ca ta lyt ic co nver ter to overheat.
-Do not swi tch off the ignition whil e the vehi ­
cl e is moving .
-
Do not continue to operate your vehi cle un­
der these condi tions, as o therwise fuel c a n
reach the catalytic converter. This could re­
sult in over heating of the converter, requir­
ing
its replacement .
- T o assu re
effic ient operatio n of the E mis ­
sion Contro l System:
-Have your vehicle maintained properly and
in accordance wi th the service recommen­
dations in yo ur Warranty & Main tenance
bookle t.
- L ack
of proper maintenance as well as im-
p r
oper use of the veh icle w ill impair the .,..
235

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function of the emission control system
and could lead to damage.
@ For the sake of the environment
Even when the Emission Control System is op­
erating properly, the exhaust gas can have a
sulfur-like
exhaust gas smell under some op­
erating states. This depends on the sulfur
content of the fuel being used. Using a differ­
ent brand of fuel may help, or filling the tank
with lead-free super grade gasoline.
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, scald ing , accidents, and burns. For this
reason, follow all the following listed warnings
and general safety precautions. The engine
compartment is a dangerous area. ~ & .
I'
A WARNING
-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 unti l 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.
236
- 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
to moving components (such as the ribbed
belt, alternator and radiator fan) and from
the high voltage ignition system.
-Do not under any circumstances give gas in­
advertently (for example, by hand from the
engine compartment) if the vehicle is sta­
tionary but the engine is running and a gear
is engaged. Otherwise the veh icle will start
to move immediately and could result in a
crash.
-
Pay attention to the following warnings list­
ed when work on the fuel system or on the
electrical equipment is required.
- Always
disconnect the vehicle battery
from the vehicle electrical system.
-Do not smoke.
-Never work near open flames.
-Always have a working fire extinguisher
nearby
- To reduce
the risk of electric shock and in­
jury, never
touch the follow ing components
when t he engine is running or is being start­
ed:
- Ignition cable
-
Other components in the electronic high
voltage ignition system
-If you must check or perform work on the
engine while it is running:
-
Set the parking brake and place the selec­
tor lever in the P (park) position first.
- Always
proceed with extreme caution so
that clothing, jewelry or long hair do not
become caught in the radiator fan, fan
belt or other moving components or do
not come into contact with hot compo-
nents. Tie back long hair before beginning .,..

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hang down into the engine.
-Limit your exposure to exhaust and chemi­
cals to as short a time as possible c::> &..
/Jj._ WARNING
California Proposition 65 Warning:
- Engine
exhaust, some of its constituents,
and certain vehicle components contain or
emit chemicals known to the State of Cali­
fornia to cause cancer and birth defects and
reproductive harm. In addition, certain flu­
ids
contained in vehicles and certain prod­
ucts of component wear contain or emit
chemicals known to the State of California
to cause cancer and birth defects or other
reproductive harm.
-Battery posts, terminals and related acces­
sories contain lead
and lead compounds,
chemicals known to the State of California
to cause cancer and reproductive harms.
Wash hands after handling.
CD Note
When filling fluids, be sure not to mix the flu­
ids up.
Otherwise severe malfunctions and en­
gine damage will occur.
@ For the sake of the environment
You should regularly check the ground under
your vehicle in order to detect leaks quickly. If
there are visible spots from oil or other fluids,
bring your vehicle
to an authorized Audi deal­
er or authorized Audi Service Facility to be
checked.
Checking and Filling
Opening the hood
The hood is released from the interior.
Fig. 182 Driver footwell : release lever
Fig.
183 Unlocked hood: lever
Make sure the wiper arms are not raised up from
the windsh ield. Otherwise the paint could be
damaged.
... With the driver's door open, pull the lever be­
low the instrument panel in the direction of the
arrowc::>fig.182 .
... Raise the hood slightly c::> ,&.
... Press the lever c::>fig. 183 in the direction of the
arrow. This releases the hooks.
.. Open the hood.
.&. WARNING
Never open the hood when you see that steam
or coolant drips from the engine compart­
ment-there is a danger of burns! Wait until
no steam or coolant flows out.
Closing the hood
.. Push the hood down until you overcome the
force of the struts .
... Let the hood fall lightly into the latch. Do not
press it in. c::> ,&. ...
237

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& WARNING
If the hood is not latched completely , it could
fly up while you are driving and obstruct your
vision.
- For safety reasons,
the hood must always be
closed securely while driving. Because of
this, always check the hood after closing it
Engine compartment overview
The most important check points.
to make sure it is latched correctly. The
hood is latched
if the front corners cannot
be
lifted.
-If you notice that the hood is not latched
while you are driving, stop immediately and
close
it, because this increases the risk of an
accident .
Fig. 184 Typical layout of the reservo ir and the en gin e oil filler open ing
CD Coolant expansion tank C-t) .... .
@ Engine oil dipstick ............ .
@ Engine oil filler opening ("t:::r.) .. .
@ Brake fluid reservoir ((0)) ...... .
® Jumpstart point(+) unde r a cover,
(-)body ground point ......... .
@ Fuse housing ................ .
0 Washer fluid reservoir (W) ..... .
242
240
240
244
289
285
248
The engine oil dipstick and the engine oil filling
open ing <=>fig. 184 (items @ and @) may be lo-
238
cated in different places depending on the engine
design.
_&WARNING
Read and follow all WARNINGS before check­
ing anything in the engine compartment
~page236.