engine AUDI A7 2018 Repair Manual

Wheels
Displaying tire pressures/temperatures
Applies to: vehicles with tire pressure monitoring system
Requirement: the ign ition must be switched on.
.,. Select : the ICARI function button > Car systems
> Service & control> Tire pressure monitor>
Display tire pressure .
The current tire pressures are shown in green and
yellow numbers in the Infotainment system:
- Green: the current tire pressure and the speci­
fied tire pressure are approximately the same.
- Yellow: the current tire pressure is too low
compared to the specified tire pressure.
The specified tire pressure is the last tire pres­
sure that was stored
9 page 226 .
Note that the tire pressure also depends on the
temperature of the tire. The tire pressure in­
creases as the engine becomes warmer while
driving.
A WARNING
Read and follow the important information
and notes
q page 225.
@ Tips
The tire pressure or temperature are not dis ­
played in adaptation mode. Dashes --.-- are
shown in place of the pressure and tempera ­
ture.
CD Tire pressure loss
App lies to: veh icles with tire pressure mon itoring system
Fig. 192 Display : in dic ato r light with a me ssage
226
-
If the (D] indicator light turns on, the pressure in
at least one tire is too low or new sensors were
not adapted:
RE indicator lights turns on after turning the
ignition on
The tire pressure is too low compared to the
specified pressure.
.,. Check and store the tire pressure(s) the next
time it is possible
9 page 226.
RE indicator light turns on while driving
Wheels with new sensors were not adapted or
the tire pressure has reached a critical level com­
pared to the specified pressure.
.,. Avoid unnecessary steering and braking maneu-
vers.
.,. Adapt your driving sty le to the situation.
.,. Stop as soon as possible and check the tire(s).
.,. If it is possible to continue driving, see an au-
thorized Audi dealer or authorized Audi Service
Facility immediately and have your tire(s) re­
paired or replaced.
A WARNING
Read and follow the important information
and notes ¢
page 225.
Storing new tire pressures
Applies to: vehicles with tire pressure mon itoring system
Correctly stored tire pressure specifications are
necessary for reliable tire pressure monitoring.
.,. Check the tire pressures in all wheels .
-
.,. Correct the tire pressure if necessary. Refer to
the tire pressure Label for the recommended
tire pressure for your vehicle
c> page 215,
fig . 190 .
Only correct the pressure in tires
whose temperature is approximately the same
as the ambient temperature. If the tempera­
ture of the tire is higher than the ambient air
temperature, the tire pressure must be in­
creased approximately 3 PSI (0,2 bar) above
the value on the sticker .
.,. Switch the ignition on .
.,. Select: !CAR ! function button > Car systems>
Tire pressure monitoring
> Store tire pressure . ..,.

a co ,...,
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0 00 <.,;) ' Emergency assistance
General information
.. Par k the vehicle as far as poss ible from moving
traff ic in the event of a breakdown. In the event
of a flat tire, park the vehicle on a leve l surface .
It you are on a steep hill, be especially careful.
.. Set the parking brake .
.. Switch the emergency flashe rs on .
.. Set up the warn ing triangle C) page 233 .
.. Have the passengers exit the veh icle . They
sho uld move to a safe place, for example be­
hind a guard rail.
_& WARNING
Follow the s teps given above. This is for your
protection and the for the safety of other d riv­
ers .
Equipment
Warning triangle
App lies to: ve hicles with warning triangle
D
Fig. 193 Luggage compa rtment U d : wa rnin g tr iang le
The warning triangle placed in the vehicle at the
factory is located in the luggage compartment.
.. Turn the twist lock C) fig . 193 and pull the cover
downward to open the cover.
.. Remove the warning triangle from its holder.
The luggage compartment lid is only designed to
hold the warning triangle offered by the Audi
Genu ine Accessories program.
Em ergen cy as sis tanc e
Vehicle tool kit
Fig. 194 Lu ggage compartment: vehicle tool kit, tire mob i­
lity kit and comp resso r
The vehicle tool kit, vehicle ja ck*, tire mobility
ki t* and compressor are stored in the luggage
compartment under the ca rgo floor cover .
.. Lift the cargo floor by the p lastic handle .
.. Turn the handle cou nter- clockwise and remove
the cover or the spare tire *.
A WARNING
Improper use of the vehicle jack can cause se­
rious pe rsonal injuries.
-Never use the screw driver hex head to
tighten wheel bolts, since the bolts cannot
attain the necessary tightening torque if yo u
use the hex head, potentially causing an ac­
cident.
-The factory-supplied jack is intended only
for your vehicle model. Under no circum­ stances shou ld it be used to lift heavy
veh icles o r othe r loads; you risk injuri ng
yourse lf .
-Never start the engine when the vehicle is
raised, which could cause an accident.
-Support the vehicle securely with appropri­
ate stands if wo rk is to be performed under­
neath the vehicle; otherwi se, there is a po­
t ential risk fo r injury .
-Never use the jack supplied with your Aud i
on another vehicle, particularly on a heavier
o n e. Th e jack is o nly sui tab le for u se on the
veh icle i t came wi th.
(D Tips
The vehicle jack* in your vehicle is mainte­
nance-free.
233

Emergency assistance
-If the tire is too severely damaged, see an
authorized Aud i dealer or authorized Aud i
Service Facility for assistance.
@ For the sake of the environment
You can give the used tire sealant bottle to an
authorized Audi dealer or authorized Audi
Serv ice Facility for disposal.
(D Tips
Remember to obtain a new bottle of sealant
from an authorized Audi dealer or authorized
Audi Serv ice Facility after repairing a tire.
Replacing wheels
Before changing a wheel
Observe the following precautions for your own
and your passenger's safety when changing a
wheel.
.,. After you exper ience a tire fa ilure, pull the car
well away from moving traff ic and try to reach
level ground
before you stop ¢.&, .
.,. All passengers sho uld leave the car and move
to a safe location (for instance, be hind t he
guardrail) ¢.&, .
.. Engage the parking brake to prevent your vehi­
cle from rolling
unintentionally ¢.&, .
.. Move selector lever to position P ¢ A-
.. If you are towing a trailer, unhitch the trailer
from your veh icle .
.,. Take the jack and the spare tire* out of the lug­
gage compartment
ca> page 233 .
.8, WARNING
You or your passengers could be inju red w hile
chan gin g a wheel if you do not follow these
safety precautions:
- If you have a flat ti re, move a safe d ista nee
off th e road. Turn off the engine, turn the
emergency flashers on and use other warn ­
ing devices to alert other motorists .
- Make sur e that passengers wait in a safe
place away from the vehicle and we ll away
from the road and traffic.
236
- To help prevent the vehicle from moving
suddenly and possibly s lipping off the jack,
always fully set the parking brake and block
the front and back of the wheel diagonally
opposite the wheel being changed. When
one front wheel is lifted off the ground,
p lacing the Automat ic Transmission in P
(Pa rk) w ill
not prevent the vehicle from
mov ing.
- Before you change a wheel, be sure the
ground is level and firm. If necessary, use a
sturdy board under the jack.
- Always store the vehicle tool kit, the jack
and the replaced tire in the lu ggage com ­
pa rtment
¢page 134 .
(D Tips
Before changing the wheel, you must activate
the jacking mode, so that the automatic con­
trols for the Adaptive Air Suspension* do not
make it more difficult to lift the vehicle with
the jack
ca> page 238 .
Changing a wheel
When you change a wheel, follow the sequence
described below step-by-step and in exactly that
order .
1. Act ivate the vehicle jack mode* ca> page 238 .
2. Remove the decorative wheel cover* or the
wheel bolt caps*. For more details see also
¢ page 23 7, Decorative wheel covers or
¢ page 237, Wheels with wheel bolt caps.
3. Loosen the wheel bolts ¢ page 238.
4. Locate the proper mounting point for the
jack and alig n the jack below that po int
¢ page 238 .
5. Raise the car with the jack ca> page 238.
6. Remove the wheel with the flat tire and then
install
the spare ca> page 240.
7. T ighten all whee l bolts lightly.
8 .
Lower the vehicle with the jack.
9. Use the wheel bolt wrench and
firmly tighten
all wheel
bolts ¢ page 238.
10. Replace the decorat ive wheel cover* or the
wheel bolt caps*.
11. Deact ivate the vehicle jack mode* in the
MM I:
ICARI function button > (Ca r)* systems .,.

Fuses
Driver side cockpit fuse
assignment
Fig. 208 Driver side cockpit: fuse panel with plastic bracket
Fuse panel @ (black)
No. Equipment
Electromechanical power steering, trailer
1 hitch, ionizer, switch strip, seat heating
(rear), electromechanical parking brake
Horn, climate control system, Gateway,
2 automatic
dimming interior rearv iew mi r-
ror, On-Board Unit
4 Park ing aid, headlight range adjustment
5 Dynamic steering, electronic stabilization
control (E5C)
6 Headlights
7 Adaptive cruise control
8 Front passenger's seat sensors, airbag
9 Gateway
10 Engine sound, night vision
assist, garage
door opener (Home link), parking aid
11 Video
camera image processing
12 Headlights
13 Steering column switch module
244
Fuse panel
@ (black)
14 Terminal 15 (luggage compartment)
15 Starter
Fuse panel @ (brown)
N o. Equipment
1 Infotainment system
2 Infotainment system
3 F
ron t passenger's seat
5 Airbag, electronic stabilizat
ion control
(ESC)
6 Anti-theft alarm system
7 Electromechanical parking brake
8 Inter
ior lights
9
Windshield video camera heating, light/
rain sensor
10 Lumbar support (dr iver's seat)
11 Driver's
seat
12 Electronic stabilization control
13 Horn
14 Headlights
15 F
ront seat heating
16 Dynamic steering
Fuse panel © (red)
No . Equipment
1 Clutch pedal
2 Fuel pump
3 Brake light sensor
4 Engin e acoustics
5 Rear door
6 Front
door
7 Electronic stabilizat ion control
8 Windshield wiper motor
9 Headlight washer system
10 Inter
ior lighting, climate control system
11 Headlights
12 Sunroof

Fuses
Fuse panel© (brown)
No. Equipment
1 I nfota inment system
2 Infotainment system
3
Infota inment, automatic dimming inter ior
rearv iew mir ror
4 Rearview camera/per ipheral cameras
s TV tuner
6 Tank leak detect ion system
7 Sockets
8 Park ing heater
10 Lumbar support (front passenger's seat)
11 Emergency call
12 Infotainment system
Fuse panel @ (black)
No. Equipment
Air suspens ion, adapt ive dampers , sport
1 different ial, elect romechan ical pa rking
brake
2
Clutch pedal position sensor/automat ic
transmission
3 Seats
4 Rear wiper (Avant)
s Side assist
6 Engine sound
7 Infotainment/sound amplifier
8 Gateway
9 Sport differential
10 Climate control system
1 1
T ire pressure monitoring system, parking
heater
12 Sta rt/Stop system
Fuse panel ® (black)
No . Equipment
1 Special purpose vehicles/rear seats
Fuse panel ® (black)
No . Equipment
1 Rear window defogger
246

a co .... N
" N .... 0 00 \.J ' Emergency situations
General
This chapter is intended for trained emergency
crews and working personnel who have the nec­
essary tools and equipment to perform these
operations.
Starting by pushing or
towing
~ Note
Vehicles with an automatic transmission can­
not be started by pushing or towing.
Starting with jumper
cables
If necessary, the engine can be started by con­
necting it to the battery of another vehicle .
If the engine should fail to start because of a dis­
charged or weak battery, the battery can be con­
nected to the battery of
another vehicle, using a
pair of jumper cables to start the engine.
Jumper cables
Use only jumper cables of sufficiently large cross
section
to carry the starter current safely. Refer
to the manufacturer's specifications.
Use only jumper cables with
insulated terminal
clamps which are distinctly marked :
plus(+) cable in most cases colored red
minus(-) cable
in most cases colored black.
A WARNING -
Batteries contain electricity, acid, and gas.
Any of these can cause very serious or fatal in­
jury. Follow the instructions below for safe
handling of your vehicle's battery .
-Always shield your eyes and avoid leaning
over the battery whenever possible.
-A dead battery can freeze at temperatures
around 32 °F (0 °C) . If the vehicle battery is
frozen, you must thaw it before connecting
the jump start cables. If you do not, this in-
Emergency situations
creases the risk of an explosion and chemi­
cal burns. After jump starting the vehicle,
drive to an authorized Audi dealer or author­ ized Audi Service Facility immediately to
have the vehicle battery checked.
- Do not allow battery acid to contact eyes or
skin . Flush any contacted area with water
immediately.
- Improper use of a booster battery to start a
vehicle may cause an explosion .
- Vehicle batteries generate explosive gases .
Keep sparks, flame and lighted cigarettes
away from batteries.
- Do not try to jump start any vehicle with a
low acid level in the battery .
- The voltage of the booster battery must also
have a 12-volt rating . The capacity (Ah) of
the booster battery should not be lower
than that of the discharged battery. Use of
batteries of different voltage or substantial­
ly different "Ah " rating may cause an explo­
sion and personal injury.
- Never charge a frozen battery. Gas trapped
in the ice may cause an explosion.
- Never charge or use a battery that has been
frozen. The battery case may have be weak­
ened.
- Use of batteries of different voltage or sub­
stantially different capacity (Ah) rating may
cause an explosion and injury. The capacity
(Ah) of the booster battery should not be
lower than that of the discharged battery.
- Before you check anything in the engine
compartment, always read and heed all
WARNINGS
c>page 193.
@ Note
- Applying a higher voltage booster battery
will cause expensive damage to sensitive
electronic components, such as control
units, relays, radio, etc.
- There must be no electrical contact between
the vehicles as otherwise current could al­
ready start to flow as soon as the positive
( + ) terminals are connected.
247

Emergency situations
@ Tips
The discharged battery must be properly con­
nected to the vehicle's electrical system .
When jump starting or charging the battery,
never connect the negative ground cable to
the battery negative post because the battery
manager system must be able to detect the
battery's state of charge. Always connect the
negat ive g round cable to the negative ground
post of the battery manager control unit.
Use of jumper cables
Make sure to connect the jumper cable clamps in
exactly the order described below!
Fig . 211 Engine compartmen t: connecto rs for jump start
cables and charger
@
F ig . 212 Jump starting w it h the battery of anot her vehicle :
@-booster battery, @- discha rged vehicle battery
The procedure described below for connecting
jumper cables is intended to provide a jump start
for your veh icle.
Vehicle with discharged battery:
• Turn off lights and accessories, move lever of
automatic transmission to N (Neutral) or P (Park) and set park ing brake.
248 Connect POSITIVE(+) to POSITIVE(+)
(red)
• Open the red cover on the positive terminal
.:!.>fig. 211.
1. Connect one end of the red positive cable on
the
jump start bolt ~ fig. 212@ (bolt under
the red cover= "positive") of the vehicle to be
started @.
2. Connect the other end to the positive termi-
nal @of the booster battery @.
Connect NEGATIVE(-) to NEGATIVE(-)
(black)
3. Connect one end of the black negative cable
to the negative terminal @ of the booster
battery @.
4. Connec t the other end to the
jump start pin
@ (bolts with hex head bolt= "negative") of
the vehicle to be started @.
Starting the engine
• Start the eng ine of the vehicle with the booster
battery @. Run the eng ine at a moderate
speed.
• Sta rt engine w ith discharged vehicle battery@
in the usual manner.
• If the engine fails to start, do not keep the
starter cranking for longer than 10 seconds.
Wait for about 30 seconds and then try again.
• With engine running, remove jumper cables
from both veh icles in the exact
reverse order.
• Close the red cover on the pos itive terminal.
The battery is vented to the outside to prevent
gases from entering the vehicle interior . Make
sure that the jumper clamps are well connected
with their metal parts in full contact w ith the
battery terminals.
A WARNING
To avoid serious personal injury and damage
to the vehicle, heed all warnings and instruc­
tions of the jumper cable manufacturer. If in
doubt, call for road service .
- Jumper cables must be long enough so that
the vehicles do not touch.
- When connecting jumper cables, make sur e
that they cannot get caug ht in any moving
pa rts in the engine compartment.
.,.

-Be fore yo u chec k any thing in the engine
compartment, a lways read and heed a ll
WARNINGS
c:::> page 193 .
(D Note
Impro per hook-u p of jum per cables c an r uin
the gene rato r.
-Always connect P OSITIVE( +) to POS ITIV E
( + ), and NEG ATIVE( -) to NEGATI VE( -)
g round post of t he battery manage r contro l
unit.
- Check that a ll sc rew p lugs on t he battery
ce lls are screwed in f irmly . If not, t ighten
plugs p rior to connecting clamp on negative
b attery termi nal.
- Please note t hat the procedure fo r con nect­
i ng a jumper cab le as desc ribed above ap­
pli es specifica lly to the case of yo ur vehicle
b eing jump starte d. W hen you are giv ing a
ju mp s ta rt to ano ther vehicle , d o
no t con­
ne ct t he negative( -) cable to the neg ative
(-) t ermin al on the disch arged b attery @
c:::> fig . 212 . In stead , securely connec t the
n egative ( -) cable to either a solid metal
com ponent that is firm ly bolted to the e n­
gine block or to the engine bloc k itsel f. If
the battery that is be ing charged does not
vent to the outs ide, escap ing battery gas
could ignite and ex plode!
Towing with a tow truck
General hints
Your Audi requires special handling for towing .
The follow ing informa tion is to be used by com­
mercia l tow tr uck operators who know how to op ­
e rate the ir equip men t sa fely.
- Never tow your Audi. Towing will cause dam­
age to the engine and transmission .
- Never wrap the safety chains or winch cables
around the brake line s.
- To prevent unnecessary damage, your Audi
must be transported with a flatbed tru ck .
a co -To load the vehicle on to the flatbed , use the ,...,
~ towing loop found in the vehicle tools and at-N ,...,
0 00 <.,;) ' Emergency situations
tach to the front or rear anchorage
c:::> pag e 249 and c:::>page 250 .
A WARNING
-
A veh icle bei ng towed is not safe for passen-
gers . N ever allow anyone to ride in a vehicle
being towed, for any reason.
Front towing loop
Fig. 213 Front bu mpe r: co ve r
Fig. 214 Front bu mper: i nst all ing the tow ing loop
T he t hreaded o pen ing for th e towing loop is lo­
cated be hind a cover on the r ight side of the front
bumper .
.,. Remove the towing loo p from the vehi cle too l
k it
c:::> page 2 3 3 .
.,. Press the cap inward with brief, force ful p res ­
su re
c:::> fig. 213 . The cap will loosen from the
bumper.
.,. T ighten the towing loop in the threaded open ­
ing until it sto ps
c:::> fig . 214 and then tighten it
w ith a wheel w re nch .
.,. After usi ng, p lace the tow ing loop back i n the
veh icle tool kit.
..,.
249

a co ,...,
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0 00 <.,;) ' Raising the vehicle
Lifting with workshop hoist and with floor
jack
The vehicle may only be lift ed at the lifting
points illus tr at ed.
Fig. 218 Fro nt lift in g poin t
Fig. 219 Re ar lift ing poin t
.,. Read and heed WARNING c::> &, .
.. Activate the veh icle ja ck mode* in the M MI:
I CAR I funct ion button> (Car) * systems contro l
bu tton >
Servicing & checks > Air susp.: jack
mode > On .
.. Loca te lift ing po ints c::> fig . 218 and c::>fig . 219 .
.. Adju st lifting arms of wo rkshop hoist o r floo r
jack t o match vehicle li fting poin ts.
.. In se rt a rubb er pa d between the floor jack/
wor kshop ho ist a nd the lifting points .
T he vehicle ja ck m ode* mus t be activa ted so that
the au tomatic a djustment of the Ad aptive Air
Suspension * does no t make it more difficult to
raise the ve hicle wit h the floor jac k.
If you must lift your vehicle with a floor jack to
work underneath, be sure the vehicle is safely
supported on stands intended for this purpose . Emergency situations
Front lifting point
T he lifting poin t is locate d on the floor p an rein ­
f o rcement about at the same level as the ja ck
mounting point
c::> fig . 218 . Do not lift the vehi­
cle at the vertical sill reinforcement .
Rear lifting point
T he lifting p oin t i s lo cate d on the ve rtic al rei n­
f o rceme nt o f th e lower s ill for the on- bo ar d jac k
c::>fig. 219.
Lifting with vehicle jack
Refer to c::> pag e 238 .
A WARNING
- To reduce the r is k of se rious inju ry and veh i­
cle dama ge.
-Always lift the vehicle o nly at the specia l
wor kshop h oist a nd f loor jack lift points
il­
l ustrated c::> fig. 218 and c::> fig. 219.
-Failure to lift t he ve hicle at these points
could cause t he veh icle to tilt o r fall from
a lift i f th ere is a change in vehicle weight
dist ribution and balance . This might hap­
pen, fo r example, when heavy compo­
n en ts such as the eng ine block o r trans­
missi on a re removed .
- Whe n re mov ing heavy comp onents like
these, an ch or veh icle t o hois t or ad d co rre­
spon ding weig hts t o m aintai n the cen ter of
g ravi ty . Ot herw ise, the vehicle mig ht tilt or
slip off t he hoist, caus ing se rio us pe rsonal
i njur y .
(D Note
-Be aw are of the fo llow ing po ints b efor e lift­
ing the vehicle:
-The vehicle should never be lifted or
jacked up from underneath the engine oil
pan, the transmission housing, the front
or rear axle or the body side members.
This could lead to serious damage .
-To avoid damage to the underbody or
chassis frame, a rubber pad must be in­
serted between the floor jack and the lift
points .
.,.
251

a co ,...,
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0 00 <.,;) ' Technical data
Vehicle specifications
XXXXX XX -X -XXXX XXX XX
®-+ : ::::::. XXXXXXXX XX X XX XXX XXX
IYP /lffl XXX XXX
XX XXXXXXX XX X X XX
XXX KW XXX
®i ~=-:~~ XXXX XXX XXX
©+ ~ rur:i~ xxxx I xxxx XXX I xx
II. · AIJSlit I OPTIONS
EOA 7D 5 4U B 6XM SSG SR W
2 EH JO Z 1LB 1AS 1BA
3FC SM U 7Xl
F O A 9G3 OG7 O YH OJF
TL 6 3 KA 8EH UlA X 9B OZ7
l XW
803
908 8Z4 020
7 T6 CV7
71<0 4X3 21< 2
3L4 4 KC 3YO 413 5 02
1S A 7GB
01A 4GQ
XX . X XX X XX X XXXX
Fig. 220 Vehicle ident ifica tion labe l
Vehicle Ident ifi cation Number (VIN )
The VIN number is located in the following pla­
ces :
-In the Infotai nment system: select: the !CARI
function button > (C ar) * systems contro l but­
ton
> Service & control > VIN numbe r.
-on the vehicle identification label
Dimensions
0
0
~ :x: Technical data
-At the front under the windshield *
Vehicle identification label
The vehicle identification label~ fig. 220 is loca t·
ed in the luggage compartment unde r the cargo
floor cover.
The vehicle identification label informat ion can
also be found in the Wa rranty and Maintenance
booklet .
The st icker contains the follow ing vehicle data :
© Vehicle Identification Number (VIN)
@ Vehicle type, eng ine output, transm ission
@ Engine and transmission codes
@ Paint and interior codes
® Optional equipment numbers
Notes about technical
data
T he values may vary based on special equipment
as well as market-specif ic equipment and meas­
u ring methods .
Please note that the specific ations listed in the
vehicle documen tat ion a lways take preceden ce.
{i) Tips
M issing tec hni cal data was not ava ilable at
t he time of pr int ing.
Length (in (mm)) Width (in (mm ))
Width across the Height at curb
mirrors (in (mm )) weight (in (mm))
A7 Sportback 196.2
(4,984) 75.2 (1,911) 84.2 (2,139) 5S.9 (1,420)
RS 7 Spo rtba ck 197.3 (5,012)
75. 2 (1 ,911) 84 .2 (2,139) 55.9 (1,419)
S7 Sportback 196.3 (4,985) 75.2 (1,911) 84.2 (2,139) 55.0 (1,398)
253