Part I

Part II.  Refer To OVERVIEW - TURBOCHARGER .

Part III.  Refer To OVERVIEW - TURBOCHARGER .

Part IV  - 1.8L Engine Only. Refer To OVERVIEW - TURBOCHARGER .

Fig 1: Exploded View Of Turbocharger

Courtesy of AUDI OF AMERICA, LLC

1. Turbocharger
   • Can only be replaced with exhaust manifold and vacuum diaphragm.
   • Removing and installing. Refer To TURBOCHARGER, REMOVING AND INSTALLING 
2. Hose
3. Turbocharger Vacuum Diaphragm
   • Can be replaced only with the turbocharger
4. Hose Clamp
5. Hose
6. Hose
7. Bolt
   • 3 Nm 
8. Wastegate Bypass Regulator Valve -N75-
9. Hose
10. Turbocharger Recirculation Valve -N249-
    • Note The Installation Position. Refer To Fig 2 .
11. Bolt
    • 7 Nm 
12. O-ring
    • Always replace after removing
13. O-ring
    • Always replace after removing
14. Connection
15. Bolt
    • 9 Nm 

Fig 2: Turbocharger Recirculation Valve -N249- Position

Courtesy of AUDI OF AMERICA, LLC

-- Note The Installation Location -Arrows-.