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changes.AUDI AG
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Pneumatic suspension system
Part 1
Selevelling suspension
in the Audi A6
Design and Function
Self-study programme 242
Pneumatic self-levelling suspension system
The 4-level air suspension of the Audi
allroad quattro is described in self-
study program 243.
You will nd further information on the
Audi allroad quattro in self-study
programme 241.
Principles of spring suspension, damping and
air suspension
Self-levelling suspension, A6
The rear axle air suspension system for the
Audi A6 Avant is described here.
242_046
242_048
This self-study programme is divided into two
parts:
http://shop67842225.taobao/ QQ:1164764997 TEL:13842290206Contents
Principles
Vehicle suspension...... 4
The suspension system.......... 6
Vibration........... 8
Characteristic values of springs...... 12
Conventional running gear without self-levelling14
The self-study programme is not intended as a workshop manual.
The self-study programme will provide you with
information on design and functions.
New
Note
Important:
Note
Page
For maintenance and repairs please refer to the current
technical literature.
Principles of air suspension
Self-levelling air suspension ........... 16
Characteristic values of air spring .. 21
Vibration damping..... 23
Shock absorbers (vibration dampers) ........ 25
PDC shock absorbers ........... 33
System overview ....... 38
Air springs...... 40
Air supply unit 42
Diagram of pneumatic system......... 43
Compressor ... 44
Air dryer ......... 47
Discharge valve N111 ........... 48
Valve for suspension struts N150 and N151........... 51
Self-levelling suspension sender G84 ........ 52
Self-levelling suspension control unit J197........... 54
Self-levelling suspension warning lamps K134 .... 55
Function diagram.......56
Interfaces........ 57
The control concept.. 58
Other features of the control concept ........ 60
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