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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 Without Transmission Fluid Cooler

Connection Diagram - Coolant Hoses, Vehicles Without 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.

The arrows show the coolant flow direction.

GWWA19-11598Courtesy 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. Parking Heater
    • Equipped on some models
  7. Coolant Expansion Tank
  8. Coolant Expansion Tank Cap
  9. Check Valve
  10. Exhaust Manifold
    • Integrated in cylinder head
  11. Turbocharger
  12. Heater Core for the Heater
    • Change the coolant after replacing
  13. Restrictor
  14. Check Valve
  15. After-Run Coolant Pump -V51-
  16. Engine Coolant Temperature Sensor -G62-
  17. Coolant Shut-Off Valve -N82-
  18. Restrictor
  19. Coolant Pump
  20. Check Valve
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