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Home >> Audi >> 2016 >> A3 TDI Prestige >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (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 is about a different variant/trim than selected.
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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