Overview - Secondary Air Injection System

Fig 1: Overview Of Secondary Air Injection System

Courtesy of AUDI OF AMERICA, LLC

1. Nut
   • 9 Nm
2. Bracket
   • for Secondary Air Injection Pump Motor -V101-
3. Bolt
   • 8 Nm
4. Bonded Rubber Bushing
5. Secondary Air Injection Pump Motor -V101-
   • Installed location: in the front of the engine compartment on the right side under the longitudinal member
   • Removing and installing, refer to SECONDARY AIR INJECTION PUMP MOTOR -V101-, REMOVING AND INSTALLING .
   • Checking in Guided Functions  see Vehicle Diagnostic Tester
6. O-Ring
   • Replacing
7. Hose
   • For secondary air
8. O-Ring
   • Replacing
9. Bolt
   • 9 Nm
10. Bolt
    • 9 Nm
11. Seal
    • Replacing
12. Right Secondary Air Injection Combination Valve
    • Installed location: on the front of the cylinder head
    • Checking, refer to COMBINATION VALVE, CHECKING .
    • Removing and installing, refer to COMBINATION VALVE, REMOVING AND INSTALLING .
13. Vacuum Hose
14. Connection Flange
15. Seal
    • Replacing
16. Vacuum Hose
17. Left Secondary Air Injection Combination Valve
    • Installed location: on the front of the cylinder head
    • Checking, refer to COMBINATION VALVE, CHECKING .
    • Removing and installing, refer to COMBINATION VALVE, REMOVING AND INSTALLING .
18. Seal
    • Replacing
19. Connection Flange
20. Seal
    • Replacing
21. Bolt
    • 9 Nm
22. Bolt
    • 9 Nm
23. Hose
    • For secondary air
    • to Secondary Air Injection (AIR) combi-valves
24. O-Ring
    • Replacing
25. O-Ring
    • Replacing
26. Secondary Air Injection Sensor 1 -G609-
    • Removing and installing, refer to SECONDARY AIR INJECTION SENSOR 1 -G609-, REMOVING AND INSTALLING .
27. Hose
    • For secondary air
28. Resonator
29. Hose
    • For secondary air
30. O-Ring
    • Replacing
31. Bolt
    • 5 Nm