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Home >> Audi >> 2021 >> Q7 Prestige >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Cooling System [DCBD,DCBE] >> 19 Cooling System >> Coolant Pipes >> Overview - Coolant Pipes

Overview - Coolant Pipes

Fig 1: Exploded View Of Coolant Pipes
GWWA19-12515Courtesy of AUDI OF AMERICA, LLC
  1. Left Front Coolant Pipe
  2. Bolt
    • 9 Nm
  3. O-Ring
    • Replace after removing.
  4. Bolt
    • 9 Nm
  5. Front Coolant Pipe
  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
  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
  22. Bolt
    • 9 Nm
  23. Bolt
    • 9 Nm
  24. Rear Left Coolant Pipe
  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 - Tightening Specification 

Fig 2: Right Coolant Pipe
GWWA19-12795Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolt -2- to 9 Nm. 

Coolant Pipes on Longitudinal Member - Tightening Specifications 

Fig 3: Coolant Pipes on Longitudinal Member
GWWN19-11476Courtesy of AUDI OF AMERICA, LLC

-- Tighten the nuts -3- to 5 Nm.

NOTE:

Ignore -1 and 2-.

Coolant Pipe on Lower Longitudinal Member - Tightening Specifications 

Fig 4: Coolant Pipe on Lower Longitudinal Member
GWWA37-11399Courtesy of AUDI OF AMERICA, LLC

-- Tighten the nuts -arrows- to 5 Nm.

NOTE:

Ignore -1 through 6-.