Overview - Coolant Pipes

• The arrows 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 .
2. Bolt
   • 9 Nm
3. O-Ring
   • Always replace after removing.
4. Bolt
   • 9 Nm
5. Front Coolant Pipe
   • Always replace after removing.
   • Removing and installing. Refer to FRONT COOLANT PIPE, REMOVING AND INSTALLING .
6. Bolt
   • 9 Nm
7. O-Ring
   • Always replace after removing.
8. O-Ring
   • Always replace after removing.
9. Bolt
   • 9 Nm
10. Connection
11. O-Ring
    • Always 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 .
14. Clamp
15. Bolt
    • 9 Nm
16. Clamp
17. Bolt
    • 9 Nm
18. O-Ring
    • Always 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 .
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 .
25. Seal
    • Always replace after removing.
26. Bolt
    • 9 Nm
27. O-Ring
    • Always replace after removing.
28. O-Ring
    • Always replace after removing.
29. Bolt
    • 9 Nm
30. Connection
31. Seal
    • Always replace after removing.
32. Bolt
    • 9 Nm

Coolant Pipes on Lock Carrier - Tightening Specifications: 

Fig 2: Coolant Pipes on Lock Carrier - Tightening Specifications:

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the left and right self-threading bolts -1- by hand and turn so that the bolts find the old threads. Then tighten the bolts to 4.5 Nm.

Coolant Pipes on Longitudinal Member - Tightening Specifications: 

Fig 3: Coolant Pipes on Longitudinal Member - Tightening Specifications:

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the nuts -arrows- to 9 Nm.

-- Tighten the bolts -1- to 9 Nm.

Courtesy of AUDI OF AMERICA, LLC