Audi A8 2019 Manual

The 2019 Audi A8 Introduction

eSelf-Study Program 990493

Audi of America, LLC

Service Training

Created in the U.S.A.

Created 05/2018

Course Number 990493

the latest information available at the time of printing and is subject to

the copyright and other intellectual property rights of Audi of America,

LLC., its aliated companies and its licensors. All rights are reserved to

make changes at any time without notice. No part of this document

may be reproduced, stored in a retrieval system, or transmitted in any

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or otherwise, nor may these materials be modiﬁed or reposted to other

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All requests for permission to copy and redistribute information should

be referred to Audi of America, LLC.

Always check Technical Bulletins and the latest electronic service repair

literature for information that may supersede any information included

in this booklet.

Revision:1-June_2018

iii

Introduction 1

Overview 2

Dimensions 4

Body 6

Introduction 6

Attachments 10

Interior equipment 12

Roof 17

Engine 18

Powertrain 19

Fuel tank 20

Exhaust system for the 3.0l TFSI engine 22

Power transmission 26

Overview 26

Automatic transmission selector mechanism 28

Parking lock emergency release 29

8-speed automatic transmission 0D5 30

Functions inﬂuencing the transmission and sport dierential 37

Suspension 40

Overview 40

Axles and wheel alignment 41

Adaptive air suspension 42

Steering system 43

Suspension 44

Wheels and tires 45

Electrics and electronics 46

Installation locations of the control modules 47

Climate control 48

New features 49

Safety and driver assistance systems 50

Passive safety 50

Active safety 68

Driver assistance systems 92

Infotainment and Audi connect 96

Overview of versions 96

Inspection and maintenance 98

Overview 98

Special tools and workshop equipment 99

Appendix 100

eSelf-Study Program 100

Knowledge assessment 101

Note

Reference

The eSelf-Study Program (eSSP) teaches a basic understanding of the design and mode of operation of new models, new

automotive components or new technologies.

It is not a repair manual! Figures are given for explanatory purposes only and refer to the data valid at the time of

preparation of the SSP.

For further information about maintenance and repair work, always refer to the current technical literature.

This eSSP contains video links which you

can use to access interactive media.

Learning objectives of this eSelf-Study Program:

This eSelf-Study Program describes the design and function

of the 2019 Audi A8. When completed, you will be able to

answer questions about the following topics:

› 48 volt electrical system.

› New suspension features.

› New power transmission features.

› New features of the assistance systems.

662_002

Launched in Europe in 1994, the Audi A8 was the world’s ﬁrst

large volume production automobile with a self-supporting

aluminum body. Since then, Audi has built approximately one

million vehicles with the Audi Space Frame body.

Its successor continues this tradition. The design of the 2019

A8 embodies the fundamental qualities for which Audi is

renowned: sports appeal, lightweight construction and

quattro all wheel drive.

Stylistically, the new A8 marks the beginning of a new design

era for the entire brand. The front end, with its wide, upright

single frame grille and ﬂuid muscular body symbolizes sporty

elegance, sophistication and progressiveness. The deﬁning

design feature of the new A8 is spacious luxury. The interior

resembles a lounge of generous proportions. The interior is

deliberately minimalist with clearly deﬁned and strictly hori-

zontal architecture.

Audi carries its high quality standards into the digital age with

a radically new operating concept. The driver operates the

infotainment system by ﬁngertip control on a large display. A

second touchscreen display in the center tunnel console is

used to access the climate control and comfort functions as

well as making text inputs.

The 2019 A8 employees the MHEV (Mild Hybrid Electrical

Vehicle) technology based on a newly developed 48 volt elec-

trical system. The 12 volt system of the A8 is a sub-system of

the 48 volt system.

Introduction

Overview

Engines

3.0l V6 TFSI engine with twin-scroll turbocharger

› Maximum power: 335 hp (250 kW)

› Maximum torque: 369 lb ft (500 Nm)

› 0-60 5.7 seconds

The 2019 A8 is the ﬁrst Audi to be oered as a

mild hybrid.

Suspension

The front and rear axles have a precision ﬁve-link construction (dynamic all-

wheel-drive steering is optional). The sport dierential will be available in

the future only for the S8. The adaptiveairsuspension has hydraulically con-

trolled dampers which are adjustable to fourheight levels.

A fully active Audi AI active suspension will be available at a later date. It

controls each wheel separately and allows a wide range between comfort

and sportiness.

Displays and operation

A new operating and display concept incorporating

MMI touch response technology with two touch-

screens, a switch panel (optional) and an illumi-

nated button module with tactile and audible feed-

back, intelligent handwriting entry with

whole-word and multiﬁnger recognition.

An Audivirtualcockpit with HD resolution and

optional head-up display.

Driver assistance systems

For the ﬁrst time in an Audi, a central driver assis-

tance control module (zFAS) utilizes the data from

various sensors to comprehensively map the area

around the vehicle. This map is updated continu-

ously and is used by a number of assistance func-

tions including the newly optional adaptive cruise

assist. Adaptive cruise assist combines the three for-

merly independent systems of adaptive cruise

control, Audi active lane assist with “early” correc-

tive steering point, and trac jam assist. Intersec-

tion assist helps the driver in situations where

cross-trac ahead of the vehicle can only be seen

late due to impaired visibility.

Click here for additional

information about hybrid vehicles.

662_068

Electrical system

The MHEV technology of Audi is based on the newly developed 48volt elec-

trical system – it supplies the 12volt electrical system, which in this case is

the electrical subsystem. The 48-volt electrical system is powered by a belt

alternator starter (BAS) which is connected to the engine serpentine drive. A

lithium-ion battery, positioned safely under the luggage compartment ﬂoor,

serves as an energy storage device.

Power transmission

The eight-speed 0D5 transmission has been redesigned for the A8.

The rear ﬁnal drive 0G2 is used on the rear axle. The quattro with sport dier-

ential drive system with the 0D3 ﬁnal dierential will only be used on the S8.

Climate control

The climate control system uses R-1234yf as a refrigerant.

In the future, Carbon dioxide (CO2) will be used as a refrigerant. It is referred

to commercially as R744. It contains neither ﬂuorine nor chlorine and is pro-

duced in a series of natural processes that reduce the possibility of depleting

the earth’s ozone layer.

Body

The body of the AudiA8 follows the AudiSpaceFrame (ASF) principle. It is

assembled from aluminum parts –the classic composite of cast nodal joints,

extruded proﬁles and sheet metal. The occupant cell is made from hot-

formed steel components, complemented by an ultra-high-strength, tor-

sionally rigid rear bulkhead made from carbon-ﬁber composite (CFC). A

magnesium dome strut completes the lightweight construction concept.

64.7 in (1644 mm)

76.5 in (1945 mm)

58.5 in (1488 mm)

64.2 in (1633 mm)

83.8 in (2130 mm)

41.2 in(1049 mm)

46.6 in (1185 mm)

123.1 in (3128 mm)

208.7 in (5302 mm)

38.9 in (989 mm)

39.2 in (995 mm)

27.4 in (697 mm)

41.4 in (1051 mm)

Dimensions

662_073 662_074

662_075

33 in (840 mm)

45.6 in

(1159 mm)

59.1 in (1502 mm)3)

57.5 in (1462 mm)3)

62.2 in (1581 mm)2)

61.1 in (1553 mm)2)

662_076

1) Maximum headroom

2) Elbow room width

3) Shoulder room width

All dimensions refer to the unladen weight of the vehicle.

Exterior dimensions and weights

Length 208.7 in (5302 mm)

Width

(not including exterior mirrors) 76.5 in (1945 mm)

Width

(including exterior mirrors) 83.8 in (2130 mm)

Height 58.5 in (1473 mm)

Front track width 64.7 in (1644 mm)

Rear track width 64.3 in (1633 mm)

Wheelbase 123.1 in (3128 mm)

Unladen weight 4287.9 lb (1945 kg)

Inner dimensions and other speciﬁcations

Front cabin width 62.2 in (1581 mm)2)

Front shoulder width 59.1 in (1502 mm)3)

Rear cabin width 61.1 in (1553 mm)2)

Rear shoulder width 57.5 in (1462 mm)3)

Load sill height 27.4 in (697 mm)

Luggage compartment

capacity

17.8 cu ft (505 l)

Drag coecient cw0.27 Cw

Capacity of fuel tank 21.7 gal (82.1 l)

Introduction

The new Audi A8 is based on an advanced ASF body struc-

ture. With a mix of aluminum, steel, magnesium and

carbon ﬁber reinforced polymer (CFRP), the load-bearing

structure combines four dierent lightweight materials.

However, the largest proportion (58%) is represented by

aluminum components which, as cast nodal plates,

extruded sections and sheet metal panels, are the charac-

teristic elements of the ASF construction concept.

Note

The image shows an Audi A8 with a standard wheelbase. The body of the long-wheelbase version (A8 L) is 5.12 in (130 mm)

longer in the area of the ‘B’ pillar.

Key:

Sheet aluminum

Die-cast aluminum

Aluminum section

Ultra-high-strength steel (hot-stamped)

Carbon ﬁber reinforced polymer (CFRP)

Magnesium

Advanced high-strength steel

High-strength steel

Soft steel

A rear bulkhead made of carbon ﬁber saves approximately

50% of the weight compared with its predecessor and helps

make the body rigid and strong in addition to being light-

weight. The intelligent material mix is completed by a dome

strut which is 28% lighter and made of magnesium. Tor-

sional rigidity has been increased 24% compared to the

previous A8.

Body

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