Part I

Fig 1: Exploded View Of Turbocharger (Part I)

Courtesy of AUDI OF AMERICA, LLC

1. O-Ring
   • Replace after removing.
   • Coat with engine oil.
2. Bolt
   • 9 Nm.
3. Coolant Supply Line
4. O-Ring
   • Replace after removing.
   • Coat with coolant.
5. Seal
   • Replace after removing.
6. Nut
   • Replace after removing.
   • Coat the stud bolts with hot bolt paste. Refer to Parts Information for the hot bolt paste.
   • Tightening specification and sequence. Refer to Fig 2
7. Turbocharger
   • Removing and Installing. Refer to TURBOCHARGER, REMOVING AND INSTALLING .
8. Oil Supply Line
9. Heat Shield
   • There are different versions. Refer to the Parts Information for the allocation.
10. Bolt
    • 9 Nm.
11. Nut
    • 9 Nm.
12. Bolt
    • 9 Nm.
13. O-Ring
    • Replace after removing.
    • Coat with engine oil.
14. Bolt
    • 9 Nm.
    • Installed, depending on the version.
15. Bolt
    • 9 Nm.
16. Connection
17. O-Ring
    • Replace if damaged or leaking.
18. Bolt
    • 9 Nm.

Turbocharger - Tightening Specifications 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: