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Home >> Audi >> 2011 >> TT S, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 57 (2.0L - Cooling System - Engine Code(S): BPY (Roadster)) >> 19 Cooling System >> Description And Operation >> Cooling System Overview

Cooling System Overview

WARNING: This page is about a different car, the 2009 Audi TT and 2008 Audi TT. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:

Cover cap of expansion tank with a rag and open carefully, as hot steam or hot coolant may escape when opening.

NOTE:

When the engine is warm the cooling system is under pressure. If necessary release pressure before commencing repair work.

Secure all hose connections using hose clamps appropriate for the model.

Hose clip pliers V.A.G 1921 or spring type clip pliers VAS 5024 A are recommended for installing spring type clamps.

Always replace gaskets and seals.

Arrows on coolant pipes and coolant hoses must line up across from each other.

Fig 1: Cooling System Components (On Engine), Assembly Overview
GWWN19-10093Courtesy of AUDI OF AMERICA, LLC
  1. Bolt
    • 40 Nm
  2. Bolt
    • 30 Nm
  3. Coolant Pipe
  4. Connecting Hose
  5. O-ring
    • Replace
  6. Connecting Piece
  7. Bolt
    • 10 Nm
  8. Retaining Clip
  9. O-ring
    • Replace
  10. Engine Coolant Temperature Sensor -G62-
  11. Connecting Hose
  12. Connecting Piece
  13. Connecting Hose
  14. Connecting Hose
  15. Connecting Hose
  16. Coolant Pipe
  17. Bolt
    • 5 Nm
  18. Connecting Hose
  19. Coolant Pipe
  20. Bolt
    • 5 Nm
  21. Coolant Distribution Housing
    • With coolant thermostat
    • Starts to open 87 °C (188.60 °F)
  22. Bolt
    • 15 Nm
  23. Coolant Pump
  24. Bolt
    • 15 Nm
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