Audi R8 2008 Installation guide

Service Training
The 2008 Audi R8
Vehicle Introduction
Self-Study Program 99B703

Audi of America, Inc.
Service Training
Printed in U.S.A.
Printed 9/2007
Course Number 99B703
©2007 Audi of America, Inc.
All rights reserved. All information contained in this manual is
based on the latest information available at the time of printing
and is subject to the copyright and other intellectual property
rights of Audi of America, Inc., its affiliated companies and its
licensors. All rights are reserved to make changes at any time
without notice. No part of this document may be reproduced,
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All requests for permission to copy and redistribute information
should be referred to Audi of America, Inc.
Always check Technical Bulletins and the latest electronic repair
literature for information that may supersede any information
included in this booklet.
Trademarks: All brand names and product names used in this
manual are trade names, service marks, trademarks, or registered
trademarks; and are the property of their respective owners.

i
Table of Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . .1
Body . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Occupant Protection . . . . . . . . . . . . . . . . . . . . 10
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Transmissions/Driveline . . . . . . . . . . . . . . . . . . 30
Running Gear . . . . . . . . . . . . . . . . . . . . . . . . 38
Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Air Conditioning. . . . . . . . . . . . . . . . . . . . . . . 54
Self-Study Programs . . . . . . . . . . . . . . . . . . . . 58
Knowledge Assessment . . . . . . . . . . . . . . . . . . 59
The Self-Study Program teaches the design and function of new vehicle models,
automotive components or technologies.
The Self-Study Program is not a Repair Manual!
The values given are intended as a guideline only and refer
to the software version valid at the time of publication of the SSP.
For maintenance and repair work, always refer to the current technical literature.
Reference
The Self-R
Note

ii
Notes

1
Introduction
Audi made motor sport history with the Audi R8 race
car - a formula that stirred the enthusiasm of people
throughout the world. This vehicle has now found its
way into production in the Audi R8 high-performance
sports car. Among many other attributes, the Audi
R8 accelerates from 0-60 MPH in 4.4 seconds, has no
electronically governed top speed, is designed with an
optimized front-to-rear weight distribution of 44:56, and
has very high directional stability.
Some main features of the Audi R8 include the following:
– Audi Space Frame ASF.
– 4.2L FSI High-Revving Engine.
– R-tronic Transmission.
– Front Viscous Coupling.
– Limited Slip Differential.
– Audi Magnetic Ride.
– Hi-Performance Brakes.
Audi R8 Overview

2
Introduction
Audi Neckarsulm
The Audi R8 is assembled in Neckarsulm,
Germany. Vehicles are produced largely by
hand with a small-scale production of 20
vehicles per day.
Over 250 employees with a high level of
workforce qualification, skill, and in-depth
experience work at the R8 production
facility. More than 39 million dollars were
invested in the site.

3
Notes

4
Body
Dimensional Overview
Unladen Weight 3605 lb (1635 kg) - with Manual Transmission
3616 lb (1640 kg) - with R-tronic Transmission
Permissible Laden Weight 4101 lb (1860 kg) - with Manual Transmission
4112 lb (1865 kg) - with R-tronic Transmission
Turning Circle Diameter 37.8 ft (11.80 m)
Fuel Tank 24 Gallons
Motor Oil Quantity 15 qt (14.2 l) (Including Filter Replacement)
The luggage compartment of the Audi R8 accommodates
almost 3.5 cu. ft. (DIN) and approximately 3.2 cu. ft. (DIN)
of additional space is provided behind the seats.
Weights

5
Body
Body Dimensions
Length 174 in (4431 mm)
Width 74.9 in (1904 mm)
Height 49.1 in (1249 mm)
Wheelbase 104 in (2650 mm)
Front Track Width 64.2 in (1632 mm)
Rear Track Width 62.7 in (1558 mm)

6
Body
Audi Space Frame (ASF)
The body design of the R8 incorporates Audi Space
Frame technology; the result is an extremely rigid,
lightweight aluminum body offering the following
benefits:
– Significant Weight Reduction.
– High Strength.
– High Static and Dynamic Torsional Rigidity.