Audi A8 2010 Guide

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
Maintenance
Audi A8 2010 ➤
Edition 11.2014
Service
Service Department. Technical Information

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
Maintenance
Heading
1. General information
2. Preparations
3. Maintenance
Technical information should always be available to the foremen and mechanics, because their
careful and constant adherence to the instructions is essential to ensure vehicle road-worthiness and
safety. In addition, the normal basic safety precautions for working on motor vehicles must, as a
matter of course, be observed.
Service
All rights reserved.
No reproduction without prior agreement from publisher.
Copyright © 2014 Audi AG, Ingolstadt D3E8026A141

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
Contents
1 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.1 --- Change history --- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.2 Overview of engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.3 Engine number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.4 Vehicle identification number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.5 Vehicle data sticker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.6 Warnings for high-voltage vehicles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2 Preparations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.1 Vehicle: raising . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.2 Engine cover panel: removing and installing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.3 Noise insulation: removing and installing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.4 Window regulators: activating automatic open/close function . . . . . . . . . . . . . . . . . . . . . . 20
2.5 Vehicle diagnostic tester: connecting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
3.1 Diesel particulate filter: reading out ash deposit volume . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.2 Event memory: reading out and erasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.3 Service interval display: resetting service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.4 Transport mode: deactivating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
3.5 Shipping mode: deactivating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
3.6 Battery: reading out status and sending diagnostic log . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
3.7 Battery: checking that battery and battery cables are securely fitted . . . . . . . . . . . . . . . . . . 30
3.8 Battery: checking electrolyte level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
3.9 Battery: connecting to a stationary battery charging unit for sustained charging . . . . . . . . 34
3.10 Brake fluid: changing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
3.11 Brake fluid: checking fluid level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
3.12 Brake system: checking condition of brake hoses, and checking that caps are fitted on bleeder
screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
3.13 Brake pads: checking thickness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
3.14 Tyres: checking condition and wear pattern, and checking and recording tread depth . . . . 43
3.15 Tyres: checking tyre pressures and adjusting if necessary . . . . . . . . . . . . . . . . . . . . . . . . 45
3.16 Tyre Pressure Loss Indicator: storing changed tyre pressures . . . . . . . . . . . . . . . . . . . . . . 46
3.17 Tyre repair kit: checking that set is complete, and checking and recording expiry date . . 46
3.18 Tool kit: checking that all components necessary in the event of a breakdown are present
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
3.19 Wheel bolts: tightening to specified torque . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
3.20 Components of front and rear axles: checking play, secure attachment and protective
boots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
3.21 Engine, gearbox, final drive and steering: checking for leaks and damage . . . . . . . . . . . . 51
3.22 Underbody: checking trim, wheel housing liners, side members and pipes/wiring for damage,
and checking that they are properly secured . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
3.23 Roof insert: checking operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
3.24 Roof insert - sliding/tilting sunroof: cleaning and lubricating . . . . . . . . . . . . . . . . . . . . . . . . 52
3.25 Roof insert - panorama sunroof: cleaning and lubricating . . . . . . . . . . . . . . . . . . . . . . . . . . 55
3.26 Bonnet arrester hook: lubricating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
3.27 Windscreen washer system: checking spray pattern and adjusting if necessary . . . . . . . . 59
3.28 Wiper blades: checking for damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
3.29 Headlight washer system: checking operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
3.30 Headlights: checking for correct adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
3.31 Headlights and reversing lights, side lights, number plate lights, turn signals, hazard warning
lights: checking operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
3.32 Luggage compartment lighting: checking operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
3.33 Glove box light, interior lighting and reading light: checking operation . . . . . . . . . . . . . . . . 63
3.34 Horn: checking operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
3.35 Front passenger's airbag: checking key switch on / off and setting to "on" . . . . . . . . . . . . 64
Audi A8 2010 ➤
Maintenance - Edition 11.2014
Contents i

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
3.36 Seat belts: checking that retaining rivets are fitted, and checking locking action of automatic
belt retractor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
3.37 Instrument cluster: checking warning lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
3.38 Warning triangle: checking availability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
3.39 First-aid kit: checking and recording expiry date . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
3.40 Vehicle keys: checking operation and recording number of keys given to customer . . . . . . 66
3.41 Engine oil: draining . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
3.42 Engine oil: extracting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
3.43 Engine oil: renewing oil filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
3.44 Engine oil: filling up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
3.45 Engine oil: checking oil level and correcting if necessary . . . . . . . . . . . . . . . . . . . . . . . . . . 79
3.46 Poly V-belts for ancillaries: checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
3.47 Spark plugs: renewing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
3.48 Hydraulic system: checking fluid level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
3.49 Cooling system: checking anti-freeze protection and coolant level, and correcting if
necessary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
3.50 Air cleaner: renewing filter element and cleaning housing . . . . . . . . . . . . . . . . . . . . . . . . 103
3.51 Plenum chamber and water drains: checking for dirt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
3.52 Dust and pollen filter: renewing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
3.53 Fuel filter: renewing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
3.54 Fuel tank: adding fuel additive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
3.55 Reducing agent (AdBlue®): filling up tank completely . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
3.56 Body: checking vehicle paintwork for damage and corrosion from below and with bonnet, rear
lid and doors open . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
3.57 Road test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
3.58 Stock vehicles: observing measures specified in Maintenance table for stock vehicles (see
“Before handing vehicle over to customer”) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
3.59 Display instruments: setting language, time and date . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
3.60 Automatic gearbox (tiptronic): changing ATF fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
3.61 Interior mirror: calibrating compass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
3.62 Wireless headphones: connecting to MMI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
3.63 Poly V-belt for supercharger with charge air coolers: renewing . . . . . . . . . . . . . . . . . . . . . . 137
3.64 Poly V-belts for ancillaries: renewing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
3.65 Poly V-belts for ancillaries and all pulleys: renewing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
3.66 Instrument cluster: resetting driver information system . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Audi A8 2010 ➤
Maintenance - Edition 11.2014
ii Contents

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
1 General information
(AIGG000588; Edition 11.2014)
Change history ⇒ page 1
Overview of engines ⇒ page 1
Engine number ⇒ page 4
Vehicle identification number ⇒ page 7
Vehicle data sticker ⇒ page 7
Warnings for high-voltage vehicles ⇒ page 8
1.1 --- Change history ---
N
o.
Date Chapter Changes made
2 07.11.2
014
Battery: reading out status and sending diagnostic log
⇒ page 28
Procedure modified to include:
Sending diagnosis log
Headlights and reversing lights, side lights, number plate
lights, turn signals, hazard warning lights: checking opera‐
tion ⇒ page 62
Procedure modified to include:
Checking brake lights
Engine oil: filling up ⇒ page 78 Notes for 6.3 ltr. FSI engine ver‐
sion added
Body: checking vehicle paintwork for damage and corro‐
sion from below and with bonnet, rear lid and doors open
⇒ page 135
Vehicle body from below added
Stock vehicles: observing measures specified in Mainte‐
nance table for stock vehicles (see “Before handing vehicle
over to customer”) ⇒ page 136
New chapter
Battery: connecting to a stationary battery charging unit for
sustained charging ⇒ page 34
New chapter
1 20.05.2
014
All Completely revised
Note
For greater clarity, only the last three updates to the document
are listed.
1.2 Overview of engines
Petrol engines ⇒ page 1
Diesel engines ⇒ page 3
1.2.1 Petrol engines
Engine
code
Engine
type/
number
of cylin‐
ders
Capaci‐
ty [ltr.]
Injection
system
Power out‐
put [kW]
(rpm)
Torque
[Nm]
(rpm)
Cam‐
shaft
drive
Stroke
[mm]
Bore
[mm]
Com‐
pression
ratio
[:1]
CDRA V8 4.2 FSI 273 445 Timing
chain
92.8 84.5 12.5
(6800) (3500)
CEJA W12 6.3 FSI 368 625 Timing
chain
90.37 86.0 11.8
(6200) (4750)
Audi A8 2010 ➤
Maintenance - Edition 11.2014
1. General information 1

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
Engine
code
Engine
type/
number
of cylin‐
ders
Capaci‐
ty [ltr.]
Injection
system
Power out‐
put [kW]
(rpm)
Torque
[Nm]
(rpm)
Cam‐
shaft
drive
Stroke
[mm]
Bore
[mm]
Com‐
pression
ratio
[:1]
CEUA V8 4.0 TFSI 309 600 Timing
chain
89.0 84.5 10.1
(
5000-6000
)
(
1500-45
00)
CGTA V8 4.0 TFSI 382 650 Timing
chain
89.0 84.5 9.3
(
5800-6400
)
(
1700-55
00)
CGWA V6 3.0 TFSI 213 420 Timing
chain
89.0 84.5 10.5
(
4850-6500
)
(
2500-48
50)
CGWD V6 3.0 TFSI 228 440 Timing
chain
89.0 84.5 10.5
(
5500-6500
)
(
2900-45
00)
CGXC V6 3.0 TFSI 245 440 Timing
chain
89.0 84.5 10.5
(
5500-6500
)
(
2900-53
00)
CHJA 4-cyl. in-
line
2.0 TFSI hy‐
brid
155 350 Timing
chain
92.8 82.5 9.6
(
4200-6000
)
(
1500-42
00)
CMDA V6 3.0 TFSI 245 440 Timing
chain
89.0 84.5 10.5
(
5500-6500
)
(
2900-53
00)
CPAA V6 2.5 FSI 150 250 Timing
chain
82.4 80.2 12.3
(
5800-6500
)
(
3000-47
50)
CREA V6 3.0 TFSI 228 440 Timing
chain
89.0 84.5 10.8
(
4850-6500
)
(
2500-48
50)
CREC V6 3.0 TFSI 245 440 Timing
chain
89.0 84.5 10.8
(
5300-6500
)
(
2900-53
00)
CREG V6 3.0 TFSI 213 420 Timing
chain
89.0 84.5 10.8
(
4850-6500
)
(
2500-48
50)
CTDA V6 3.0 TFSI 245 440 Timing
chain
89.0 84.5 10.8
(
5300-6500
)
(
2900-53
00)
CTFA V8 4.0 TFSI 382 650 Timing
chain
89.0 84.5 9.3
(
5800-6400
)
(
1700-55
00)
Audi A8 2010 ➤
Maintenance - Edition 11.2014
2 1. General information

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
Engine
code
Engine
type/
number
of cylin‐
ders
Capaci‐
ty [ltr.]
Injection
system
Power out‐
put [kW]
(rpm)
Torque
[Nm]
(rpm)
Cam‐
shaft
drive
Stroke
[mm]
Bore
[mm]
Com‐
pression
ratio
[:1]
CTGA V8 4.0 TFSI 320 600 Timing
chain
89.0 84.5 10.1
(6000) (
1500-45
00)
CTNA W12 6.3 FSI 368 625 Timing
chain
90.3 86.0 11.8
(6200) (4750)
CTUB V6 3.0 TFSI 245 440 Timing
chain
89.0 84.5 10.5
(
5500-6500
)
(
2900-53
00)
CVBA V6 2.5 FSI 150 250 Timing
chain
82.4 80.2 12.3
(6000) (
3250-47
50)
1.2.2 Diesel engines
Engine
code
Engine
type/
number
of cylin‐
ders
Capaci‐
ty [ltr.]
Injection
system
Power out‐
put [kW]
(rpm)
Torque
[Nm]
(rpm)
Cam‐
shaft
drive
Stroke
[mm]
Bore
[mm]
Com‐
pression
ratio
[:1]
CDSB V8 4.2 TDI
common
rail
258 800 Timing
chain
95.5 83.0 16.4
(4000) (
1750-27
50)
CDTA V6 3.0 TDI
common
rail
184 550 Timing
chain
91.4 83.0 16.8
(
4000-4500
)
(
1500-30
00)
CDTB V6 3.0 TDI
common
rail
155 550 Timing
chain
91.4 83.0 16.8
(
2750-5000
)
(
1500-25
00)
CDTC V6 3.0 TDI
common
rail
184 580 Timing
chain
91.4 83.0 16.8
(4500) (
1500-30
00)
CLAB V6 3.0 TDI
common
rail
150 400 Timing
chain
91.4 83.0 16.8
(
3750-4500
)
(
1250-35
00)
CMHA V6 3.0 TDI
common
rail
184 550 Timing
chain
91.4 83.0 16.8
(
4000-4500
)
(
1500-30
00)
CPNA V6 3.0 TDI
common
rail
176 550 Timing
chain
91.4 83.0 16.8
(4000) (2200)
CPNB V6 3.0 TDI
common
rail
176 580 Timing
chain
91.4 83.0 16.8
(4000) (2100)
Audi A8 2010 ➤
Maintenance - Edition 11.2014
1. General information 3

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
Engine
code
Engine
type/
number
of cylin‐
ders
Capaci‐
ty [ltr.]
Injection
system
Power out‐
put [kW]
(rpm)
Torque
[Nm]
(rpm)
Cam‐
shaft
drive
Stroke
[mm]
Bore
[mm]
Com‐
pression
ratio
[:1]
CTBA V6 3.0 TDI
common
rail
190 580 Timing
chain
91.4 83.0 16.8
(4000) (
2100-41
00)
CTBB V6 3.0 TDI
common
rail
155 580 Timing
chain
91.4 83.0 16.8
(4000) (
2100-41
00)
CTEC V8 4.2 TDI
common
rail
283 850 Timing
chain
95.5 83.0 16.4
(3750) (
2000-27
50)
1.3 Engine number
Note
The engine number consists of the engine code letters (3 or 4
characters) and the serial number.
4-cyl. petrol engine 2.0 ltr. TFSI hybrid ⇒ page 4
6-cyl. petrol engine 2.5 ltr. FSI ⇒ page 5
6-cyl. petrol engine 3.0 ltr. TFSI ⇒ page 5
8-cyl. petrol engine 4.0 ltr. TFSI ⇒ page 5
8-cyl. petrol engine 4.2 ltr. FSI ⇒ page 6
12-cyl. petrol engine 6.3 ltr. FSI ⇒ page 6
6-cyl. diesel engine 3.0 ltr. TDI ⇒ page 6
8-cyl. diesel engine 4.2 ltr. TDI ⇒ page 6
1.3.1 4-cyl. petrol engine 2.0 ltr. TFSI hybrid
DANGER!
Risk of fatal injury if high-voltage components are damaged.
♦ Observe warnings for high-voltage system:
♦ Handling high-voltage wires ⇒ page 11 .
♦ For work in the vicinity of high-voltage components
⇒ page 10 .
Audi A8 2010 ➤
Maintenance - Edition 11.2014
4 1. General information

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
The engine number is stamped on the left side at the joint between
the engine and the gearbox -arrow-.
The engine number is also given on the sticker on the toothed belt
cover (top).
In addition, the engine code letters are listed on the vehicle data
sticker ⇒ page 7 .
1.3.2 6-cyl. petrol engine 2.5 ltr. FSI
The engine number is stamped on the left side at the joint between
the engine and the gearbox -arrow-.
The engine number is also given on the sticker on the toothed belt
cover (top).
In addition, the engine code letters are listed on the vehicle data
sticker ⇒ page 7 .
1.3.3 6-cyl. petrol engine 3.0 ltr. TFSI
The engine number is stamped on the left side at the joint between
the engine and the gearbox -arrow-.
The engine number is also given on the sticker on the toothed belt
cover (top).
In addition, the engine code letters are listed on the vehicle data
sticker ⇒ page 7 .
1.3.4 8-cyl. petrol engine 4.0 ltr. TFSI
The engine number is stamped on the left side at the joint between
the engine and the gearbox -arrow A-.
The engine number is also listed on the sticker on the toothed belt
cover (top) -arrow B-.
In addition, the engine code letters are listed on the vehicle data
sticker ⇒ page 7 .
Audi A8 2010 ➤
Maintenance - Edition 11.2014
1. General information 5

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
1.3.5 8-cyl. petrol engine 4.2 ltr. FSI
The engine number is stamped on the left side at the joint between
the engine and the gearbox -arrow-.
The engine number is also given on the sticker on the toothed belt
cover (top).
In addition, the engine code letters are listed on the vehicle data
sticker ⇒ page 7 .
1.3.6 12-cyl. petrol engine 6.3 ltr. FSI
The engine number is stamped on the left side at the joint between
the engine and the gearbox -arrow-.
The engine number is also given on the sticker on the toothed belt
cover (top).
In addition, the engine code letters are listed on the vehicle data
sticker ⇒ page 7 .
1.3.7 6-cyl. diesel engine 3.0 ltr. TDI
The engine number is stamped on the left side at the joint between
the engine and the gearbox -arrow-.
The engine number is also given on the sticker on the toothed belt
cover (top).
In addition, the engine code letters are listed on the vehicle data
sticker ⇒ page 7 .
1.3.8 8-cyl. diesel engine 4.2 ltr. TDI
The engine number is stamped on the left side at the joint between
the engine and the gearbox -arrow-.
The engine number is also given on the sticker on the toothed belt
cover (top).
In addition, the engine code letters are listed on the vehicle data
sticker ⇒ page 7 .
Audi A8 2010 ➤
Maintenance - Edition 11.2014
6 1. General information

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
1.4 Vehicle identification number
Depending on the equipment and country-specific version, the
vehicle identification number is located:
♦ At the bottom left edge of the windscreen
♦ Optional: In the MMI under »Car systems«
♦ Under the carpet on the front passenger's side
♦ On the vehicle data sticker ⇒ page 7
The vehicle identification number consists of the following:
WAU ZZZ 4H Z B A / N 000 234
Manufactur‐
er's mark
Filler charac‐
ters
Type Filler charac‐
ters
Model year Production lo‐
cation
Serial number
1.5 Vehicle data sticker
The vehicle data sticker is located:
♦ In the Service Schedule
♦ In the area of the spare wheel well under the floor covering
-arrow-
Audi A8 2010 ➤
Maintenance - Edition 11.2014
1. General information 7

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
The vehicle data sticker contains the following vehicle data:
1 - Vehicle identification number
2 - Vehicle model, manufacturer's code, engine type and power
output, production month and year
3 - Engine and gearbox code letters (not specified on some export
models)
4 - Paint number, interior equipment number
5 - Numbers for optional extras
6 - Fuel consumption: urban, extra urban, combined, CO2 (not
specified on some export models)
1.6 Warnings for high-voltage vehicles
Overview of high-voltage components and wires ⇒ page 8
Working in the vicinity of high-voltage components ⇒ page 10
Handling high-voltage wires ⇒ page 11
Work that must be performed with the ignition switched on
⇒ page 11
Work that must be performed with the ignition switched off
⇒ page 12
1.6.1 Overview of high-voltage components
and wires
The high-voltage system of the Audi A8 is comprised of the fol‐
lowing components:
Audi A8 2010 ➤
Maintenance - Edition 11.2014
8 1. General information

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
1 - Combustion engine
2 - High-voltage wire for elec‐
trical air conditioner compres‐
sor - P3-
❑ Coding of high-voltage
connection: red col‐
oured ring
3 - Electric drive motor - V141-
❑ Red warning label
❑ Coded high-voltage
connections
4 - Hybrid battery unit - AX1-
❑ Red warning label and
battery warning label
❑ Coded high-voltage
connections
❑ Maintenance connector
for high-voltage system
- TW-
5 - Wiring junction - TV1-
6 - Second battery - A1-
7 - Battery - A-
8 - Battery cooling module for
hybrid battery unit - AX1-
9 - High-voltage wiring harness
for hybrid battery - PX1-
❑ High-voltage wiring har‐
ness for high-voltage
battery, positive termi‐
nal - P1- (red coloured
ring)
❑ High-voltage wiring har‐
ness for hybrid battery, negative terminal - P2- (brown coloured ring)
❑ Coded high-voltage connections on hybrid battery unit - AX1-
❑ Coding of high-voltage connections to power and control electronics for electric drive - JX1-
10 - High-voltage wiring harness for drive motor - PX2-
❑ High-voltage wire 1 for drive motor - P4- (U) blue coloured ring/coding lug on right side
❑ High-voltage wire 1 for drive motor - P5- (V) green coloured ring/coding lug on left side
❑ High-voltage wire 1 for drive motor - P6- (W) violet coloured ring/two coding lugs
❑ Coding of high-voltage connections to power and control electronics for electric drive - JX1-
❑ Coding of high-voltage connections to electric drive motor - V141-
11 - Power and control electronics for electric drive - JX1-
❑ Electric drive control unit - J841-
❑ Voltage converter - A19-
❑ DC/AC converter for drive motor - A37-
❑ Red warning label
❑ Coded high-voltage connections
12 - Electrical air conditioner compressor - V470-
❑ Coding of high-voltage connection: red coloured ring
Audi A8 2010 ➤
Maintenance - Edition 11.2014
1. General information 9

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
1.6.2 Working in the vicinity of high-voltage
components
DANGER!
Risk of fatal injury if high-voltage components are damaged.
Observe the following when working in the vicinity of high-volt‐
age components or wiring:
♦ It is not permitted to use cutting or forming tools, other
sharp-edged tools or heat sources such as welding, braz‐
ing, soldering, hot air or thermal bonding equipment.
♦ Before starting work, visually inspect the high-voltage
components in the areas involved.
♦ Before working in the engine compartment, visually in‐
spect the power and control electronics for electric drive -
JX1- , electric drive motor - V141- , air conditioner
compressor - V470- and high-voltage wiring.
♦ Before working on the vehicle underbody, visually inspect
the high-voltage wiring and covers.
♦ Before working on the rear section of the vehicle, visually
inspect the high-voltage wiring and the electro-box with
the maintenance connector for high-voltage system - TW
- .
♦ Visually inspect all potential equalisation lines.
Check the following when making the visual inspection:
♦ There must be no external damage on any component.
♦ The insulation of the high-voltage wiring and potential
equalisation lines must not be damaged.
♦ There must be no unusual deformation of the high-voltage
wiring.
♦ All high-voltage components must be identified by a red
warning sticker.
Note
♦ Certain qualifications are required to perform different types of
work on high-voltage vehicles ⇒ Basic information on high-
voltage vehicles; Rep. gr. 00 ; Qualification of internal/external
personnel .
♦ Note distinguishing features of Audi high-voltage vehicles, de‐
scription of high-voltage technology etc. ⇒ Basic information
on high-voltage vehicles; Rep. gr. 00 ; Distinguishing features
of Audi high-voltage vehicles .
♦ Overview of high-voltage components and wires ⇒ page 8 .
Audi A8 2010 ➤
Maintenance - Edition 11.2014
10 1. General information

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
1.6.3 Handling high-voltage wires
WARNING
Handling high-voltage wires:
• Do not support yourself or tools on high-voltage wiring or
associated components --> this can damage the insula‐
tion.
• High-voltage wiring must not be excessively bent or
kinked --> this can damage the insulation.
• The round high-voltage connectors are colour-coded with
an external coloured ring and are provided with mechan‐
ical coding or guide lugs. It is important to observe this
coding when joining up the round high-voltage connec‐
tors, otherwise the connectors can be damaged.
Note
♦ Certain qualifications are required to perform different types of
work on high-voltage vehicles ⇒ Basic information on high-
voltage vehicles; Rep. gr. 00 ; Qualification of internal/external
personnel .
♦ Note distinguishing features of Audi high-voltage vehicles, de‐
scription of high-voltage technology etc. ⇒ Basic information
on high-voltage vehicles; Rep. gr. 00 ; Distinguishing features
of Audi high-voltage vehicles .
♦ Overview of high-voltage components and wires ⇒ page 8 .
1.6.4 Work that must be performed with the
ignition switched on
DANGER!
When working on a vehicle with the ignition switched on or
while the drive system is active, the engine can start unex‐
pectedly and exhaust fumes can cause a health hazard in
closed rooms. Moving parts can trap or draw in parts of the
body and/or clothing (safety hazard).
Before switching on the ignition, perform the following steps:
♦ Move selector lever to position P
♦ Activate parking brake
♦ Switch off ignition
♦ Open bonnet
♦ Connect battery charger (e.g. charger - VAS 5095A- ) to
jump-start connections of 12 V electrical system
♦ Switch on ignition.
Audi A8 2010 ➤
Maintenance - Edition 11.2014
1. General information 11

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
Note
♦ Certain qualifications are required to perform different types of
work on high-voltage vehicles ⇒ Basic information on high-
voltage vehicles; Rep. gr. 00 ; Qualification of internal/external
personnel .
♦ Note distinguishing features of Audi high-voltage vehicles, de‐
scription of high-voltage technology etc. ⇒ Basic information
on high-voltage vehicles; Rep. gr. 00 ; Distinguishing features
of Audi high-voltage vehicles .
♦ Overview of high-voltage components and wires ⇒ page 8 .
1.6.5 Work that must be performed with the
ignition switched off
WARNING
Safety hazard: the engine can start unexpectedly.
Before carrying out general work on a vehicle with high-voltage
electrical system, switch off the ignition and remove the ignition
key from the vehicle.
Note
♦ Certain qualifications are required to perform different types of
work on high-voltage vehicles ⇒ Basic information on high-
voltage vehicles; Rep. gr. 00 ; Qualification of internal/external
personnel .
♦ Note distinguishing features of Audi high-voltage vehicles, de‐
scription of high-voltage technology etc. ⇒ Basic information
on high-voltage vehicles; Rep. gr. 00 ; Distinguishing features
of Audi high-voltage vehicles .
♦ Overview of high-voltage components and wires ⇒ page 8 .
Audi A8 2010 ➤
Maintenance - Edition 11.2014
12 1. General information

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
2 Preparations
Vehicle: raising ⇒ page 13
Engine cover panel: removing and installing ⇒ page 15
Noise insulation: removing and installing ⇒ page 18
Window regulators: activating automatic open/close function
⇒ page 20
Vehicle diagnostic tester: connecting ⇒ page 20
2.1 Vehicle: raising
Caution
Risk of damage to vehicle due to incorrect use of lifting plat‐
form.
♦ Do not exceed the permissible lifting capacity of the lifting
platform.
♦ The vehicle should be lifted only at the points shown in the
illustration.
♦ Position support plates so that they are aligned centrally
below the lifting points.
♦ Ensure sufficient clearance between low-mounted vehicle
components and the lifting platform.
Procedure:
– For vehicles with adaptive air suspension: Activate jacking
mode before lifting vehicle ⇒ page 14 .
– Front: Position support plates of lifting platform under plastic
mountings -arrow- on underside of side member trim.
Audi A8 2010 ➤
Maintenance - Edition 11.2014
2. Preparations 13

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
– Rear: Position support plates of lifting platform under plastic
mountings -arrow- on underside of side member trim.
Note
The location of the lifting points is indicated by markings stamped
on the side member trim.
2.1.1 Activating jacking mode
WARNING
Risk of injury as engine of high-voltage vehicle can start un‐
expectedly!
♦ Observe warnings for high-voltage system:
♦ For work that must be performed with the ignition switched
on ⇒ page 11 .
Procedure:
– Switch on ignition and activate MMI.
– Press function selector button CAR .
– Under »Car systems«, navigate through following menu struc‐
ture:
♦ Servicing & checks
– Use MMI rotary pushbutton to select “Air suspension: wheel
change” and set to “on”.
Note
♦ Jacking mode is switched off again automatically once a
speed higher than 15 km/h is reached.
♦ If jacking mode is activated for a longer period of time, the
pressure in the suspension struts may dissipate, thereby low‐
ering the vehicle. If necessary, start the engine briefly to
reactivate jacking mode.
Audi A8 2010 ➤
Maintenance - Edition 11.2014
14 2. Preparations

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
2.2 Engine cover panel: removing and in‐
stalling
4-cyl. petrol engine 2.0 ltr. TFSI hybrid ⇒ page 15
6-cyl. petrol engine 2.5 ltr. FSI ⇒ page 15
6-cyl. petrol engine 3.0 ltr. TFSI (version 1) ⇒ page 16
6-cyl. petrol engine 3.0 ltr. TFSI (version 2) ⇒ page 16
8-cyl. petrol engine 4.0 ltr. TFSI ⇒ page 16
8-cyl. petrol engine 4.2 ltr. FSI ⇒ page 17
12-cyl. petrol engine 6.3 ltr. FSI ⇒ page 17
6-cyl. diesel engine 3.0 ltr. TDI (version 1) ⇒ page 17
6-cyl. diesel engine 3.0 ltr. TDI (version 2) ⇒ page 18
8-cyl. diesel engine 4.2 ltr. TDI ⇒ page 18
2.2.1 4-cyl. petrol engine 2.0 ltr. TFSI hybrid
Procedure for removing:
– Carefully pull engine cover panel off retaining pins one after
another -arrows-.
Procedure for installing:
– Position engine cover panel on retaining pins and then use
your hands to press it onto retaining pins, one after the other.
2.2.2 6-cyl. petrol engine 2.5 ltr. FSI
Procedure for removing:
– Carefully pull engine cover panel off retaining pins one after
another -arrows-.
Procedure for installing:
– Position engine cover panel on retaining pins and then use
your hands to press it onto retaining pins, one after the other.
Audi A8 2010 ➤
Maintenance - Edition 11.2014
2. Preparations 15

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
2.2.3 6-cyl. petrol engine 3.0 ltr. TFSI (version
1)
Procedure for removing:
– Carefully pull engine cover panels -1- and -2- off retaining pins
one after another.
Procedure for installing:
– Position engine cover panels on retaining pins and then use
your hands to press it onto retaining pins, one after the other.
Note
There is more than one version of the engine cover panel for the
6-cylinder 3.0 ltr. TFSI petrol engine ⇒ page 16 .
2.2.4 6-cyl. petrol engine 3.0 ltr. TFSI (version
2)
Procedure for removing:
– Carefully pull engine cover panel off retaining pins one after
another -arrows-.
Procedure for installing:
– Position engine cover panel on retaining pins and then use
your hands to press it onto retaining pins, one after the other.
Note
There is more than one version of the engine cover panel for the
6-cylinder 3.0 ltr. TFSI petrol engine ⇒ page 16 .
2.2.5 8-cyl. petrol engine 4.0 ltr. TFSI
Procedure for removing:
– Carefully pull engine cover panel off retaining pins one after
another -arrows-.
Procedure for installing:
– Position engine cover panel on retaining pins and then use
your hands to press it onto retaining pins, one after the other.
Audi A8 2010 ➤
Maintenance - Edition 11.2014
16 2. Preparations