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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Engine Mechanical >> Cooling Fan >> Cooling System 2.0L (DPAA) >> 19 Cooling System >> Coolant Pipes >> Overview - Coolant Pipes >> Overview - Coolant Pipes, Vehicle With High-Voltage System >> Notes

Overview - Coolant Pipes, Vehicle With High-Voltage System: Notes

Coolant Pipes on the Engine

Fig 1: Exploded View Of Coolant Pipes, Vehicle With High-Voltage System
GWWA19-13617Courtesy of AUDI OF AMERICA, LLC
  1. Bolt
    • 9 Nm
  2. Coolant Hose
  3. Bolt
    • 6 Nm
    • Thread cutting
    • Position the bolt by hand and tighten it until it finds the old threads. Then tighten the bolt to the specification.
  4. O-Ring
    • Replace after removing
  5. Bolt
    • 9 Nm
  6. Coolant Hose
  7. Bolt
    • 20 Nm
  8. Right Coolant Pipe
  9. Bolt
    • 20 Nm
  10. Coolant Hose
  11. Coolant Hose
  12. Nut
    • 9 Nm
  13. Rear Coolant Pipe
  14. O-Ring
    • Replace after removing
  15. Coolant Hose/Plug
    • Fold back and pry up the clip to remove the heat shield boot
    • Connecting. Refer to Figure.
  16. Bolt
    • 9 Nm
  17. Coolant Hose
  18. Bolt
    • 9 Nm
  19. Left Coolant Pipe

Audi Q5: Coolant Pipe at Left Longitudinal Member - Tightening Specification

Fig 2: Coolant Pipe on Lower Longitudinal Member
GWWA10-12445Courtesy of AUDI OF AMERICA, LLC

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

Coolant Pipe at Right Longitudinal Member - Tightening Specification (Example Illustration)

Fig 3: Coolant Pipe at Right Longitudinal Member - Tightening Specification (Example Illustration)
GWWA19-13605Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolt -3- and nut -1- to 9 Nm.

Audi A6/A7: Lock Carrier Coolant Pipes - Tightening Specification

Fig 4: Audi A6/A7: Lock Carrier Coolant Pipes - Tightening Specification
GWWA19-13099Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolt -2- to 5 Nm.

Audi Q5: Lock Carrier Coolant Pipes - Tightening Specification

Fig 5: Coolant Pipes on Lock Carrier
GWWA19-13128Courtesy of AUDI OF AMERICA, LLC

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