Part I

Part II. Refer to Part II .

Fig 1: Exploded View Of Turbocharger, 2.9L Engine

Courtesy of AUDI

1. Bolt
   • 9 Nm
2. Recirculation Valve
   • Recirculation Valve, Bank 1 -N625-
   • Recirculation Valve, Bank 2 -N626-
   • Removing and Installing. Refer to RECIRCULATION VALVE, REMOVING AND INSTALLING, 2.9L ENGINE .
3. O-Ring
   • Check for damage and leaks and if necessary replace
4. O-Ring
   • Replace after removing
5. Connection
   • For the EVAP system
6. Bolt
   • 9 Nm
7. Right Rear Coolant Pipe
   • Overview. Refer to OVERVIEW - COOLANT PIPES .
8. Bolt
   • Tightening specification. Refer to OVERVIEW - COOLANT PIPES .
9. O-Ring
   • Installation instructions. Refer to OVERVIEW - COOLANT PIPES .
10. Oil Supply Line
11. Bolt
    • 9 Nm
12. O-Ring
    • Replace after removing
13. Turbocharger
    • Shown for cylinder bank 2 (left)
    • Removing and Installing. Refer to TURBOCHARGER, REMOVING AND INSTALLING .
14. Bolt
    • 9 Nm
15. Coolant Return Line
16. Bolt
    • 9 Nm
17. O-Ring
    • Replace after removing
18. O-Ring
    • Replace after removing
19. O-Ring
    • Green
    • Replace after removing
20. Venturi Injector
    • Replace after removing
    • Press in until it locks into place
21. O-Ring
    • Red
    • Replace after removing
22. Seal
    • Replace after removing
23. Plug
    • 25 Nm