Coolant Pipes Overview

Version 1 

Fig 1: Identifying Coolant Pipes

Courtesy of AUDI OF AMERICA, LLC

1. Bolt
   • 9 Nm
2. Left Front Coolant Pipes
   • Removing and installing, refer to LEFT FRONT COOLANT PIPES 
3. Bolt
   • 9 Nm
4. Bolt
   • 9 Nm
5. Bracket
6. Bolt
   • 22 Nm
7. Retaining Clip
8. Bolt
   • 9 Nm
9. Front Coolant Pipe
   • Removing and installing, refer to FRONT COOLANT PIPE 
10. Seal
    • Replace
11. O-ring
    • Replace
12. Coolant Temperature Sensor -G62-
    • Removing and installing, refer to ENGINE COOLANT TEMPERATURE SENSOR -G62- 
13. Lower Coolant Pipe on the Supercharger
    • With -17-, removing and installing SUPERCHARGER COOLANT PIPES 
14. Bolt
    • 5 Nm
15. Alignment Bushing
    • Quantity: 2
16. Bolt
    • 5 Nm
17. Seals
    • Replace
18. Upper Coolant Pipe on the Supercharger
    • With -11-, removing and installing SUPERCHARGER COOLANT PIPES 
19. O-ring
    • Replace
20. Upper Coolant Pipe
    • Removing and installing, refer to UPPER COOLANT PIPE 
21. Bolt
    • 9 Nm
22. Gasket
    • Replace
23. Bolt
    • 9 Nm
24. Bolts
    • 9 Nm
25. Left Coolant Pipes
    • Removing and installing, refer to LEFT COOLANT PIPES 
26. O-ring
    • Replace

Version 2 

Fig 2: Identifying Version 2

Courtesy of AUDI OF AMERICA, LLC

1. Bolt
   • 9 Nm
2. Left Front Coolant Pipes
   • Removing and installing, refer to LEFT FRONT COOLANT PIPES 
3. Bolt
   • 9 Nm
4. Bracket
5. Bolt
   • 22 Nm
6. Bolt
   • 9 Nm
7. Bolt
   • 9 Nm
8. Front Coolant Pipe
   • Removing and installing, refer to FRONT COOLANT PIPE 
9. Seal
   • Replace
10. O-ring
    • Replace
11. Engine Coolant Temperature (ECT) Sensor -G62-
    • Removing and installing, refer to ENGINE COOLANT TEMPERATURE SENSOR -G62- 
12. Bolt
    • 5 Nm
13. Lower Coolant Pipe on the Supercharger
    • With -19-, removing and installing, refer to SUPERCHARGER COOLANT PIPES 
14. Bolt
    • 5 Nm
15. Alignment Bushing
16. Gasket
    • Replace
17. Bolt
    • 5 Nm
18. Gasket
    • Replace
19. Upper Coolant Pipe on the Supercharger
    • With -13-, removing and installing SUPERCHARGER COOLANT PIPES 
20. Alignment Bushing
21. Bolt
    • 5 Nm
22. Seals
    • Replace
23. O-ring
    • Replace
24. Upper Coolant Pipe
    • Removing and installing, refer to UPPER COOLANT PIPE 
25. Bolt
    • 9 Nm
26. Gasket
    • Replace
27. Bolt
    • 9 Nm
28. Bolt
    • 9 Nm
29. Bolt
    • 9 Nm
30. Left Coolant Pipes
    • Removing and installing, refer to LEFT COOLANT PIPES 
31. O-ring
    • Replace
32. Retaining Clip

Fig 3: Identifying Charge Air Cooling Pump -V188-, Tightening Specifications

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the nut -2- to 9 Nm.