Service.
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AUDI AGAbteilung I/VK-5
D-85045 IngolstadtFax 0841/89-36367
940.2810.36.20Technical status 02/99
Printed in Germany
The V8-5V Engine
Construction Features and Functions
Self-Study Programme 217
27
21
7SSP217_048
AUDI has been producing advanced 8-cylinder
engines since 1988. Their capacity has increased
from 3.6 l to 4.2 l.
The V8 engine in combination with Aluminium
Space Frame technology was the technical basis
for Audi's breakthrough into the luxury class.
Steps to enhance the value of the Audi A8 have
included the redesign of the V8 engine.
The new V8-5V engines are now also available for
the Audi A6 model range.Engine - Motronic Subsystems
Variable intake manifold ...... 27
Secondary air system ........... 32
Content
Introduction
Engine - Mechanics
Crankgear ...... 6
Engine mounting ...... 9
Engine lubrication .... 10
Cooling circuit ........... 16
Cylinder head
Five-valve technology ......... 19
Roller rocker20
Camshaft adjuster .. 22
Toothed-belt drive; cylinder-head seal ..... 24
Cylinder-head cover seal .... 25
Exhaust manifold .... 26
Technical data ........... 5
The self-study programme is not a repair manual!
The self-study programme provides you with information
concerning the engine's construction features and functions.
New!Caution!
Important!
Page
When carrying out maintenance and repair work, it is essential
to use the latest technical literature.
Engine Management
System overview ....... 36
Function diagram ..... 38
Quick-start functions
Camshaft position sensor .. 40
Engine run-down sensor .... 41
Electronic throttle function . 42
CAN bus interfaces ... 44
Additional signals / interfaces ........ 46
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
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