Overview - Turbocharger, Part 1

Fig 1: Exploded View Of Turbocharger (1 of 2)

Courtesy of AUDI OF AMERICA, LLC

1. O-Ring
   • Replace after removing
2. Venturi Injector
3. Bolt
   • 9 Nm
4. O-Ring
   • Replace after removing
5. Connection
6. Bolt
   • 9 Nm
7. O-Ring
   • Replace after removing
8. Bolt
   • 9 Nm
9. Turbocharger Recirculation Valve -N249-
   • Removing and Installing. Refer to Turbocharger Recirculating Valve -N249-, REMOVING AND INSTALLING .
   • After dismounting, check the O-ring for damage
10. Turbocharger
    • Removing and Installing. Refer to TURBOCHARGER, REMOVING AND INSTALLING .
11. Bolt
    • 9 Nm
12. Ball Socket
13. Locking Spring
    • Replace after removing
14. Nut
    • 8 Nm
15. Control Rod
16. Nut
    • 8 Nm
17. Locking Spring
    • Replace after removing
18. Ball Socket
19. Charge Air Pressure Control Module -GX34-
    • Consists of
      • Charge Air Pressure Actuator -V465-
      • Charge Air Pressure Actuator Position Sensor -G581-
    • Before removing the Charge Air Pressure Control Module -GX34- from the turbocharger, it must be insured that it is available separately. Refer to the Parts Information.
    • Removing and Installing. Refer to Charge Air Pressure Control Module -GX34-, REMOVING AND INSTALLING .
20. Connection
    • After dismounting, check the O-ring for damage
21. Bolt
    • 9 Nm
22. Hose Clamp
23. Air Duct Hose

Turbocharger - tightening specification and sequence

Fig 2: Turbocharger - Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

• Replace the nuts after removing.

-- Tighten the bolts in steps in the sequence shown: