Turbocharger Overview

Part 1 

Fig 1: Turbocharger Overview (1 Of 4)

Courtesy of AUDI OF AMERICA, LLC

1. Turbocharger
   • One unit with the exhaust manifold
   • Removing and installing, refer to TURBOCHARGER 
2. Gasket
   • Replace
3. Bolt
   • 9 Nm
4. Heat Shield
5. Crankcase Ventilation Pipe
6. Hose to the EVAP Canister
7. Turbocharger Vacuum Diaphragm
   • Checking, refer to TURBOCHARGER VACUUM DIAPHRAGM, CHECKING 
   • Removing and installing, refer to TURBOCHARGER VACUUM DIAPHRAGM 
   • Adjusting, refer to TURBOCHARGER VACUUM DIAPHRAGM, ADJUSTING 
8. Ring Connection
9. Hose
10. Wastegate Bypass Regulator Valve -N75-
11. Hose
12. Bolt
    • 3 Nm
13. Banjo Bolt
    • 8 Nm
14. Hose
15. Seals
    • Replace
16. Clip
17. Bolt
    • 7 Nm
18. Connection
19. Seal
    • Replace

Part 2 

Fig 2: Turbocharger Overview (2 Of 4)

Courtesy of AUDI OF AMERICA, LLC

1. Seal
   • Replace
2. Banjo Bolt
   • 30 Nm
3. Oil Supply Pipe
4. Turbocharger
   • One unit with the exhaust manifold
   • Removing and installing, refer to TURBOCHARGER 
5. Bolt
   • 9 Nm
6. Banjo Bolt
   • 30 Nm
7. Seal
   • Replace
8. Banjo Bolt
   • 35 Nm
9. Seal
   • Replace
10. Coolant Supply Pipe
11. Bolt
    • 23 Nm
12. Banjo Bolt
    • 35 Nm
13. Bolt
    • 9 Nm
14. Seal
    • Replace
15. Gasket
    • Replace
16. Oil Return Pipe
17. Bolt
    • 9 Nm
18. Gasket
    • Replace

Part 3 

Fig 3: Turbocharger Overview (3 Of 4)

Courtesy of AUDI OF AMERICA, LLC

1. Gasket
   • Replace
2. Nut
   • Replace
   • 21 Nm
   • Coat the exhaust manifold threaded pins with hot bolt paste.
3. Banjo Bolt
   • 35 Nm
4. Seal
   • Replace
5. Bolt
   • 9 Nm
6. Coolant Return Pipe
7. Turbocharger
   • One unit with the exhaust manifold
   • Removing and installing, refer to TURBOCHARGER 
8. Bracket
9. Bolt
   • 30 Nm
   • Insert with hot bolt paste.
10. Bolt
    • 30 Nm
    • Insert with hot bolt paste.
11. Bracket
12. Bolt
    • 23 Nm
13. Nut
    • Replace
    • 30 Nm
    • Do not loosen to remove the turbocharger
    • Coat the exhaust manifold threaded pins with hot bolt paste.
14. Fastening Strip

Part 4 

Fig 4: Turbocharger Overview (4 Of 4)

Courtesy of AUDI OF AMERICA, LLC

1. Turbocharger Vacuum Diaphragm
   • Checking, refer to TURBOCHARGER VACUUM DIAPHRAGM, CHECKING 
   • Removing and installing, refer to TURBOCHARGER VACUUM DIAPHRAGM 
   • Adjusting, refer to TURBOCHARGER VACUUM DIAPHRAGM, ADJUSTING 
2. Pressure Hose
3. Bolts
   • Replace
   • 9 Nm
   • Self-locking
4. Securing Plate
5. Lock Nut
   • 9 Nm
   • Secure with sealing wax after tightening.
6. Adjusting Nut
   • Secure with sealing wax after tightening.