Audi 243 Service Manual page 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 protects the power supply.
Ground clearance
208 mm
Ground clearance
192 mm
Ground clearance
167 mm
Ground clearance
142 mm
One of the special features of the system is
the ability to alter the ground clearance by 66
mm in 4 stages. The 4 stages can be
controlled manually or automatically (see
page 7 onwards).
The levels are designated as follows:
Level 1 = low level ( LL)
Level 2 = normal level ( NL )
Level 3 = high level 1 ( HL1)
Level 4 = high level 2 ( HL2)
Parking level PL = high level 1
241_063
High level 2 (HL2)
+41 mm from normal
level
High level 1 (HL1)
+25 mm from normal
level
(=parking level)
Normal level (NL)
± 0 mm
Low level (TL)
-25 mm from normal
level
5