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Home >> Audi >> 2016 >> S4 Premium Plus, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 1337 (Cooling System [CABB, CABA, CABD, CAEA, CAEB, CDHB, CDNB, CDNC, CDHA, CDZA, CADA, CCUA, CFKA, CPMA, CAED, CPMB] (Cabriolet)) >> 19 Cooling System >> Coolant System/Coolant >> Connection Diagram - Coolant Hoses >> Connection Diagram - Coolant Hoses, Vehicles Without Transmission Fluid Heater, Without Parking Heater

Connection Diagram - Coolant Hoses, Vehicles Without Transmission Fluid Heater, Without Parking Heater

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2017 Audi A5 Quattro, 2016 Audi A5 Quattro, 2015 Audi A5 Quattro, 2014 Audi A5 Quattro, and 2014 Audi A5. 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.

Fig 1: Coolant Hose Connection System Diagram
GWWA19-10931Courtesy of AUDI OF AMERICA, LLC
  1. Radiator
  2. Turbocharger
  3. Cylinder Head/Cylinder Block
  4. Coolant Shut-Off Valve
    • Controlled by a vacuum from the Climatronic Refrigerant Shut-Off Valve -N422-
  5. Bleed Hole
  6. Heater Core for the Heater
  7. Coolant Recirculation Pump -V50-
    • Installed only on vehicles with a start/stop system
  8. Coolant Pump
  9. Restrictor
  10. Coolant Expansion Tank Cap
  11. Coolant Expansion Tank
  12. Check Valve
  13. After-Run Coolant Pump -V51-
    • Installed only on hot climate vehicles
  14. Coolant Thermostat
  15. Engine Coolant Temperature Sensor -G62-
  16. Engine Oil Cooler
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