A8L V8-4.2L (BFM) (2004)
Compressor/Pump: Locations
Air supply unit, assembly overview
1. Air supply unit
2. Spring clamp
3. Muffler
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Installation location: In left wheel housing
4. Air cleaner
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Installation location: On the left A-pillar above the solenoid valve block
5. Bracket
6. Washer
7. Bolt, 4 Nm
8. Bolt, 4 Nm
9. Connection piece, 2 Nm
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Only unscrew with the vehicle raised and the air spring damper de-pressurized (otherwise there is a risk of injury due to lowering of the
vehicle)
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Replace air line if leaking
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Clean the line connection before loosening
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Air escapes during unscrewing
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Protect connection from contamination
10. Air line
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Between solenoid valve block and air supply unit
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Replace air line if leaking
11. Intake hose connection piece
12. Rubber bushings
13. Spring
14. Sleeve
15. Selfdocking nut, 4 Nm
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Replace each time after removing
16. Connector
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For level control pump temperature sensor -G290-