Connection Diagram - Coolant Hoses, Vehicles Without Transmission Fluid Heater, With Parking Heater
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2016 Audi A4 Quattro, 2016 Audi A4, 2015 Audi A4 Quattro, 2015 Audi A4, and 2014 Audi A4 Quattro. 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.
- Radiator
- Turbocharger
- Cylinder Head/Cylinder Block
- Parking Heater
- Bleeder Hole
- Heater Coolant Shut-Off Valve -N279-
- Removing and installing. .
- Heater Core for Heater
- Removing and installing. Refer to HEATER CORE, REMOVING AND INSTALLING .
- Check Valve
- The arrow points in the flow direction
- Coolant Pump
- Removing and installing. Refer to COOLANT PUMP, REMOVING AND INSTALLING .
- Restrictor
- Coolant Reservoir Cap
- Checking the pressure relief valve. Refer to PRESSURE RELIEF VALVE IN CAP, CHECKING .
- Coolant Reservoir
- Check Valve
- After-Run Coolant Pump -V51-
- Installed only on hot climate vehicles
- Coolant Thermostat
- Engine Oil Cooler
- Engine Coolant Temperature Sensor -G62-