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Home >> Audi >> 2017 >> A3 Premium, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (COOLING SYSTEM (4-Cylinder Direct Injection 1.8L; 2.0L 4V TFSI Engine) -- (A3 SEDAN)) >> 19 Cooling System >> Coolant System/Coolant >> Connection Diagram - Coolant Hoses >> Connection Diagram - Coolant Hoses, Vehicles With Transmission Fluid Cooler

Connection Diagram - Coolant Hoses, Vehicles With Transmission Fluid Cooler

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2017 Audi S3, 2017 Audi RS 3, 2016 Audi S3, 2016 Audi A3, and 2015 Audi S3. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

Blue = large coolant circuit.

Red = small coolant circuit.

Brown = heating circuit.

Yellow = transmission fluid cooling circuit.

The arrows show the coolant flow direction.

GWWA19-11726Courtesy of AUDI OF AMERICA, LLC
  1. Radiator
    • Change the coolant after replacing
  2. Engine Coolant Temperature Sensor on Radiator Outlet -G83-
  3. Engine Temperature Control Actuator -N493-
  4. Cylinder Head/Cylinder Block
    • Change the coolant after replacing
  5. Restrictor
  6. Coolant Expansion Tank
  7. Coolant Expansion Tank Cap
  8. Check Valve
  9. Exhaust Manifold
    • Integrated in cylinder head
  10. Turbocharger
  11. Heater Core for the Heater
    • Change the coolant after replacing
  12. Restrictor
  13. Check Valve
  14. After-Run Coolant Pump -V51-
  15. Engine Coolant Temperature Sensor -G62-
  16. Coolant Shut-Off Valve -N82-
  17. Restrictor
  18. Coolant Pump
  19. Transmission Fluid Cooler
  20. Transmission Coolant Valve -N488-
  21. Check Valve
  22. Auxiliary Cooler
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