Overview - Coolant Pipes, 3.0L Engine-Side

• The marking on the coolant pipes and ends of coolant hoses must align.

Fig 1: Exploded View Of Coolant Pipes

Courtesy of AUDI OF AMERICA, LLC

1. Left Front Coolant Pipe
   • Removing and Installing. Refer to LEFT FRONT COOLANT PIPE, REMOVING AND INSTALLING, 3.0L ENGINE .
2. Bolt
   • 9 Nm
3. O-Ring
   • Replace after removing
4. Bolt
   • 9 Nm
5. Front Coolant Pipe
   • Replace after removing
   • Removing and Installing. Refer to FRONT COOLANT PIPE, REMOVING AND INSTALLING, 3.0L ENGINE .
6. Bolt
   • 9 Nm
7. O-Ring
   • Replace after removing
8. O-Ring
   • Replace after removing
9. Bolt
   • 9 Nm
10. Connection
11. O-Ring
    • Replace after removing
12. Bolt
    • 9 Nm
13. Large Right Rear Coolant Pipe
    • Removing and Installing. Refer to LARGE RIGHT REAR COOLANT PIPE, REMOVING AND INSTALLING, 3.0L ENGINE .
14. Clamp
15. Bolt
    • 9 Nm
16. Clamp
17. Bolt
    • 9 Nm
18. O-Ring
    • Replace after removing
19. Clamp
20. Bolt
    • 9 Nm
21. Small Right Rear Coolant Pipe
    • Removing and Installing. Refer to SMALL RIGHT REAR COOLANT PIPE, REMOVING AND INSTALLING, 3.0L ENGINE .
22. Bolt
    • 9 Nm
23. Bolt
    • 9 Nm
24. Rear Left Coolant Pipe
    • Removing and Installing. Refer to LEFT REAR COOLANT PIPE, REMOVING AND INSTALLING, 3.0L ENGINE .
25. Seal
    • Replace after removing
26. Bolt
    • 9 Nm
27. O-Ring
    • Replace after removing
28. O-Ring
    • Replace after removing
29. Bolt
    • 9 Nm
30. Connection
31. Seal
    • Replace after removing
32. Bolt
    • 9 Nm

Right Coolant Pipe On Engine - Tightening Specification

Fig 2: Right Coolant Pipe

Courtesy of AUDI OF AMERICA, LLC

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