brake AUDI A7 2018 Workshop Manual

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 .,.

Emergency assistance
The caps are to protect and keep the whee l bolts
clean.
Loosening and tightening the wheel bolts
Th e wheel bolts must be loosened b efore raising
the vehicle.
F ig . 2 00 Cha ngin g a w hee l: l oosening t he w heel bol ts
Loosening
.,. Slide the wheel wrench onto the wheel bolt as
far as it w ill go .
.,. Take t ight hold of the end of the wrench handle
and t urn the whee l bolts
counter -clockwise
about one single t ur n in t he d irec tion of ar row
¢ fig . 200.
Tightening
.,. Slide the wheel wrench onto the wheel bolt as
far as it w ill go .
.,. Take t igh t hold of the end of the wrench handle
and tu rn ea ch whee l bolt
clockwi se u ntil it is
sea ted.
_& WARNING
- Do not u se force or hurry when changing a
whee l
-you can ca use the vehicle to s lip off
th e jac k and cause serious pe rsonal injur ies .
-Do not loosen the whee l bolts more than
one turn
before you raise the vehicle with
t h e jac k.
-You risk an i njury.
(D Tips
- N ever use the he xag onal socket in the han­
dle of the screwd river to loosen o r tighten
the w heel bolts .
- If a whee l bolt is very tigh t, you m ay fi nd i t
eas ier to loosen by carefully pus hing down
238
on the end of the whee l bolt wrench with
one foot only. As you do so, ho ld on to the
car to keep your balance and ta ke care not
to slip .
Raising the vehicle
The vehicle must be lifted with the jack first be­
fore the wheel can be removed.
Fig . 201 Sill pa nels: marki ngs
.,, ..,
0
---"rn; S!~~;::---~
Fig. 20 2 S ill: p osit io nin g the ve hicle jack
.,. Ac tiva te the veh icle jack mo de* in the MMI:
!CAR I function button> (Car )* systems cont rol
but ton >
Servicing & che cks > Air su sp .: jack
mode > On .
.,. Engage the parking brake to prevent your veh i­
cle from rolling uninte ntionally .
.,. Move the selector lever to position P .
.,. Find the marking (imprint) on the sill that is
nea rest the w heel that will be changed
¢ fig. 201 . Behind the marking, there is a lift­
ing point
on t he sill fo r the ve hicle jack .
.,. Applies to: vehicles with a s ill: Remove the cov­
er fro m the sill before lifting the vehicle wi th a
veh icle
ja ck¢ page 239.
.,. Tur n the vehicle jack located un der the lifting
point o n the s ill to raise the jack unt il its
arm @
~ fig. 202 is locate d under the d esignated plas-
tic
mount ¢ .&,¢(D. II>

Emergency assistance
Taking the wheel off/installing the spare
Follow these instructions step-by-step for chang­
ing the wheel .
Fig. 204 Changing a wheel: using the screw driver handl e
(wit h th e blade re m oved) to turn the bol ts
F ig . 205 Changing a wheel: alignment p in inside t he top
hole
Afte r you have loosened a ll w heel bo lts and
raised t he vehi cle off the ground, remove and re­
p lace the whee l as fo llows:
Removing the wheel
• U se the hexagonal so cket in the screwdriver
handle
t o comple tely remove the topmost
whee l bolt and set it aside on a
clean surfa ce
¢ fig. 204 .
• Screw the th readed end of the alignment pin
from the tool kit hand-tight into the empty bolt
hole¢ fig. 2051> .
• Then remove the other wheel bolts as described
above.
• Takeoff th e wheel leav ing the a lignment pin in
the bo lt ho le
¢ 0 .
l) Applies to vehicles with ceram ic brake rotors*: Use a sec­
ond alignment
pin* (stored in th e spa re whee l well mo ld­
ing) for the lower ho le, fo llowing t he descr iption for the
first alignment pin .
240
Putting on the spare wheel
• Lif t the sp are whee l and caref ully slide it over
t he alignment p in to guide it in place
¢ (D .
• Use the hexagonal socket in the sc rewdr iver
ha nd le to screw in and tighten a ll w heel bolts
slightly.
• Remove the alignment pin and insert and t ight­
en the remaining w heel bo lt slight ly like the
rest.
• Tu rn the jack hand le co unte r-clockw ise to lowe r
t he vehicle unt il t he jac k is f ully re leased.
• Use the w heel bo lt wren ch to tighten a ll wheel
bolts fi rm ly¢
p age 238. Tighten them cross­
wise,
from one bo lt to the (a pprox imately) op ­
posite one, to keep the whee l centered.
([» Note
When remov ing o r installin g the wheel, the
rim co uld hit the brake rotor/ce ramic brake
r otor * and damage t he rotor . Work carefully
and have a second person he lp you.
(D Tips
N eve r use the he xagonal socket in the han dle
of the sc rew drive r to loosen or t ig hten the
whee l bolts.
- Pull the reversible blade from the screwdr iv­
er before yo u use t he hexagona l soc ket in
t h e handle to t urn the whee l bolts.
- When mounti ng tires with
unidirectional
tread design
make sure the tread pattern is
pointed the right
way¢ page 241.
- The wheel bolts sho uld be clean and easy to
t u rn. Check fo r dirt and corrosion on the
mating surfaces of both the wheel and t he
hub. Remove all d irt from these s urfaces be­
fore remounti ng the whee l.

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

a co ,...,
N
" N ,...,
0 00 <.:l ' Front passenger side
cockpit fuse assignment
F ig. 2 09 Front passenger side cockpit: f use pane l w it h
p las tic bracket
Fuse panel @ (red )
No . Equipment
1 Infotainment, CD changer
2 I nfotainment (disp lay)
Fuse panel @ (brown )
No . Equipment
1 Climate control system
2 Climate con
trol sy stem (blowe r)
3 Diagnostic interface
4 Ele ctrical ignit ion lo ck
5 Electronic steer ing column lock
6 S teer ing col umn sw itch modu le
7 Power steering column adjustment
8 Light swi tch
9 Head-up display
1 0 I
nst rument cluste r
1 1 Infotainment, DVD changer
Fuses
Luggage compartment
fuse assignment
F ig . 2 10 L uggage compa rtment: fuse pane l with p last ic
b racket
Fuse panel @ (black )
No . Equipment
1 Tra
ile r hitc h/220 volt soc ket
2 Tra ile r hi tc h /climati ze d cup holder
3
Tra iler hitc h/ad justing front passenger's
seat from the rear
4 El ec trome chanic al pa rking brake
s Electromec hanical parking brake
6 F ront door (fron t passenger's si de)
7 Rear exterior lighting
8 Cen tral locking, closi ng aid
9 Seat heating (front)
1 1 Seat heating (rear), c
limate control system
12 Tra ile r hitch
Fuse panel @ (red)
No . Equipment
1 Left safety belt tensioner
2 R igh t safety be lt te nsion er
3 F u el pump
4 En gine moun t (gasoline e ngine)
s
Sensor-controlled l uggage compa rtment
lid
6 A ir su sp ension, ad ap tive d am pers
7 Rear door (front passenger's side)
8 Tail lights
9 Luggage compartment lid
10 Rear sea t ente rtainmen t
12 Rear spoiler (Spo rtback), sunroof
245

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

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 .... N
" N .... 0 00 \.J ' @ For the sake of the environment
-Changing the engine settings wi ll adversely
affect emission leve ls. Th is is detrimental to
the env ironment and increases fuel con ­
sumption.
- A lways observe environmenta l regu lations
when disposing of old engine o il, used brake
flu id, d irty engine coolant, spent batteries
or worn out tires.
- Undeployed airbag modules and pretension­
ers might be classified as Perchlorate Mate­
rial -spec ial handl ing may apply, see
www .dtsc.ca .gov/hazardouswaste/perch lo­
r ate. When the vehicle or pa rts of t he re­
stra int system includi ng a irbag mod ules
s af ety be lts with pretens ioners a re scrap ­
ped, a ll applicab le laws and regulations
must be observed. Your a uthorized Audi
dealer is fam iliar with these requirements
and we recommend that you have your dea l­
er perform this service for you.
Accessories and
technical changes
Additional accessories and parts
replacement
Always consult on authorized Audi dealer before
purchasing accessories.
Audi ve hicles that are constructed with advanced
materials like Steel/Aluminum (Hybrid construc­
tion), Aluminum (Aud i Space Frame), and/or Alu­
minum/Carbon Fiber (Ultra Advanced Light
We ight Materials) are as unique as the ir dr ivers .
Therefo re, the ava ilability of certain parts needed
for repa ir , restorat ion, or reconstruction w ill be
rest ricted , or pa rts will be unava ilable, if the ve ­
hicl e is not repa ired at an a uthorized Aud i co lli­
sion repair facility . This includes but is not limi t­
ed to structura l parts which require specia lized
training and equipment to restore their crash ­
worthiness back to the original NHTSA and IIHS performance.
Your vehicle incorporates the latest safety design
features ensuring a high standard of active and passive safety.
Con sum er In form ation
This safety could be compromised by non -ap ­
proved changes to the vehicle. For t his reason, if
parts have to be rep laced, p lease observe the fol ­
lowing points when install ing additional accesso­
ries:
Approved Audi accessories and genuine Audi parts are avai lab le from authorized Aud i dea lers.
T hese dea le rs a lso have t he necessa ry fa cilit ies,
tools and trained specialists to install the pa rts
and accessories proper ly .
A WARNING
--
Using the wrong spare parts or using non -ap­
p roved accessories can cause damage to the
vehicle and serious personal injury.
- Use on ly accessories expressly approved by
Aud i and genuine Audi spare parts
- These parts and accessor ies have been spe­
cially designed to be used on your vehicle.
- Do not use license p late brac kets in the
front area that are d ifferent from the one
installed at the factory, or add additional
li­
cense plate brackets.
- Never install accessor ies such as telephone
cradles or beverage holders on airbag covers
or w ith in the airbag deployment zones . Do­
ing so will increase the risk of injury if a ir­
bags a re tr iggered in an accident!
- Before you check anyth ing in the eng ine
compa rtment, always read and heed all
WARN INGS
~page 193.
@ Note
- If items other than genu ine Audi spare
parts, add-on equipment and accessory
items are used or if repa ir work is not per­
form ed according to specified methods, th is
c an result in seve re damage to you r vehi­
cle's eng ine and body (s uch as cor rosion)
and adve rsely affec t your ve hicle's warranty.
- If emergency repa irs m ust be pe rformed
elsew here, have the vehicle ex am ined by an
authorized A udi dealer as soon as possib le .
- Th e manufac ture r ca nnot be he ld liable fo r
damage wh ic h occur s d ue to fail ure to com ­
ply with these stipulations.
257