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4 Pneumatic Level Control System
⇒ “4.1 Air Lines Overview”, page 222
⇒ “4.2 Air Line, Servicing”, page 223
⇒ “4.3 Connecting Piece, Replacing”, page 224
⇒ “4.4 Air Supply Unit and Solenoid Valve Block Overview”, page
225
⇒ “4.5 Air Supply Unit without Solenoid Valve Block, Removing
and Installing”, page 228
⇒ “4.6 Air Supply Unit with Solenoid Valve Block, Removing and
Installing”, page 230
⇒ “4.8 Pressure Reservoir, Removing and Installing”, page 232
4.1 Air Lines Overview
1 - Front Right Suspension
Strut (Air Suspension)
2 - “Green” Air Line
❑ From solenoid valve
block to front right sus‐
pension strut (air sus‐
pension).
❑ Air pipe line, servicing,
refer to
⇒ “4.2 Air Line, Servic‐
ing”, page 223 .
❑ Connecting piece, re‐
placing, refer to
⇒ “4.3 Connecting
Piece, Replacing”, page
224 .
3 - “Yellow” Air Line
❑ From solenoid valve
block to rear right air
spring.
❑ Air pipe line, servicing,
refer to
⇒ “4.2 Air Line, Servic‐
ing”, page 223 .
❑ Connecting piece, re‐
placing, refer to
⇒ “4.3 Connecting
Piece, Replacing”, page
224 .
4 - Rear Right Suspension
Strut (Air Suspension)
5 - “Red” Air Line
❑ From solenoid valve
block to rear left air
spring.
❑ Air pipe line, servicing, refer to ⇒ “4.2 Air Line, Servicing”, page 223 .
❑ Connecting piece, replacing, refer to ⇒ “4.3 Connecting Piece, Replacing”, page 224 .
6 - Pressure Reservoir in Luggage Compartment
❑ Installed location: inside the luggage compartment on the left side, under the spare wheel cover.
Audi Q7 2007 ➤
Suspension, Wheels, Steering - Edition 01.2014
222 Rep. Gr.43 - Self-Leveling Suspension