AUDI A6 ALLROAD 1999 C5 / 2.G Pneumatic Suspension System

AUDI A6 ALLROAD 1999 C5 / 2.G Pneumatic Suspension System https://www.carmanualsonline.info/img/6/840/w960_840-0.png AUDI A6 ALLROAD 1999 C5 / 2.G Pneumatic Suspension System

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AUDI A6 ALLROAD 1999 C5 / 2.G Pneumatic Suspension System Service.For internal use only All rights reserved, including 
the right to make technical 
changes.
AUDI AG
Dept. I/VK-5
D-85045 Ingolstadt
Fax 0841/89-36367
040.2810.62.20
Technical status 11/00
Prin

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AUDI A6 ALLROAD 1999 C5 / 2.G Pneumatic Suspension System 2
 
The 4-level air suspension system in the allroad quattro is a logical development of the self-
levelling system in the Audi A6. 
The principles of the suspension/air suspension system and the desc

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AUDI A6 ALLROAD 1999 C5 / 2.G Pneumatic Suspension System  
3 
Contents 
System description  . . . . . . . . . . . . . . . . . . . .  4 
The self-study programme is not intended as a workshop manual. 
The self-study programme will provide you with informatio

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AUDI A6 ALLROAD 1999 C5 / 2.G Pneumatic Suspension System  
4 
Description of the system 
The vehicle level is determined separately at 
each axle side by means of 4 level sensors. 
Each air suspension strut is allocated a so-
called air spring valve (transv

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AUDI A6 ALLROAD 1999 C5 / 2.G Pneumatic Suspension System  
5 
The 4-level air suspension system is designed 
as what is known as a pressure accumulator 
system.
The pressure accumulator system increases 
system availability, reduces noise 
development and p

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AUDI A6 ALLROAD 1999 C5 / 2.G Pneumatic Suspension System  
6 
Description of the system 
• The 4 level stages can be controlled 
manually or automatically within defined 
limits (see page 8 onwards).
• Individual automatic functions or the 
entire syst

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AUDI A6 ALLROAD 1999 C5 / 2.G Pneumatic Suspension System  
7 
Operation and display 
Operation 
The self-levelling control unit E281 is used to 
control the 4-level air suspension and the 
display/monitor the system status.
Certain level changes occur autom

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AUDI A6 ALLROAD 1999 C5 / 2.G Pneumatic Suspension System  
8 
Operation and display 
If the actual level deviates greatly from the 
reference level, this is indicated to the driver 
with flashing LEDs (according to a level 
change).
Significant deviations

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AUDI A6 ALLROAD 1999 C5 / 2.G Pneumatic Suspension System  
9 
243_022
243_023
243_024
243_025 
Other button functions 
Automatic switching 
The so-called “manual mode” can be 
switched on or off by pressing the “raise” or 
“lower” button for at

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AUDI A6 ALLROAD 1999 C5 / 2.G Pneumatic Suspension System  
10 
If the vehicle is at high level 2, it will lower 
automatically to high level 1 at a speed of 
> 35 km/h. The system will respond to a 
request to shift to high level 2 only up to a 
speed of <
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