Air Line: Service and Repair

Air Lines Overview






1 Right Front Suspension Strut (air suspension)

2 "Green" Air Line

• From solenoid valve block to front right suspension strut (air suspension)

• Air pipe line, servicing, refer to => [ Air Line, Servicing ] Description and Operation

• Connecting piece, replacing, refer to => [ Connecting Piece, Replacing ] Description and Operation

3 "Yellow" Air Line

• From solenoid valve block to rear right air spring

• Air pipe line, servicing, refer to => [ Air Line, Servicing ] Description and Operation

• Connecting piece, replacing => [ Connecting Piece, Replacing ] Description and Operation

4 Right Rear Suspension Strut (air suspension)

5 "Red" Air Line

• From solenoid valve block to rear left air spring

• Air pipe line, servicing, refer to => [ Air Line, Servicing ] Description and Operation

• Connecting piece, replacing, refer to => [ Connecting Piece, Replacing ] Description and Operation

6 Pressure Reservoir in Luggage Compartment

• Component location: At left in luggage compartment, underneath spare wheel cover

7 Left Rear Suspension Strut (air suspension)

8 Connector for Air Lines

• Component location: Rear left in vehicle interior behind the rear seat bench

9 "Blue" Air Line

• From solenoid valve block to pressure reservoir

• Air pipe line, servicing, refer to => [ Air Line, Servicing ] Description and Operation

• Connecting piece, replacing, refer to => [ Connecting Piece, Replacing ] Description and Operation

10 Left Front Pressure Reservoir to Underbody

• Component location: Left front, on underbody

11 "Purple" Air Line

• From solenoid valve block to left front suspension strut (air suspension)

• Air pipe line, servicing, refer to => [ Air Line, Servicing ] Description and Operation

• Connecting piece, replacing, refer to => [ Connecting Piece, Replacing ] Description and Operation

12 Left Front Suspension Strut (air suspension)

13 "Black" Air Line

• From air supply unit to solenoid valve block

• Air pipe line, servicing, refer to => [ Air Line, Servicing ] Description and Operation

• Connecting piece, replacing => [ Connecting Piece, Replacing ] Description and Operation

14 Air Supply Unit with Solenoid Valve Block

• Component location: Right front, on underbody

• If the air supply unit is being replaced, then the level control system compressor relay (J403) must also be replaced.

Solenoid Valve Block, Line Arrangement





Air pipes are color-coded:

1. Black, internal air line between solenoid valve block and compressor

2. Green, air line toward right front air spring shock absorber

3. Red, air line toward left rear air spring shock absorber

4. Violet, air line to left front air spring damper

5. Blue, air line toward pressure reservoirs

6. Yellow, air line toward right rear air spring shock absorber