A6 Quattro Wagon V6-3.2L (BKH) (2006)
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13 - Air line "red"
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From solenoid valve block to left front suspension strut (air spring suspension)
14 - Air line "green"
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From solenoid valve block to right front suspension strut (air spring suspension)
15 - Air supply unit with solenoid valve block
16 - Air line "brown"
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From air supply unit to solenoid valve block.
Line assignment on solenoid valve block
Air line are color-coded:
1. Air line brown : From air supply unit
2. Air line red : To left front suspension strut (air spring suspension)
3. Air line violet : To pressure reservoir
4. Air line blue : To right rear air spring shock absorber
5. Air line black To left rear air spring shock absorber
6. Air line green To right front suspension strut (air spring suspension)
Component location of air line connector
Connections - 1 -, - 2 - and - 3 - for air lines leading to rear axle are attached in vehicle interior on front passengers side behind A-pillar trim.