Connection Diagram - Coolant Hoses, AUDI A4/A5/Q5 With Parking/Auxiliary Heater
WARNING: This page is about a different variant/trim than selected.
- Blue = large coolant circuit.
- Red = small coolant circuit.
- Brown = heating circuit.
- Green = coolant circuit for the transmission.
- Arrows = coolant flow direction.
Courtesy of AUDI OF AMERICA, LLC- Radiator
- Cylinder Block
- Check Valve
- Turbocharger
- Check Valve
- Exhaust Manifold
- Cylinder Head
- Engine Coolant Temperature Sensor -G62-
- Restrictor
- Parking/Auxiliary Heater
- With Recirculation Pump -V55-
- Heater Coolant Shut-Off Valve -N279-
- Heater Core for the Heater
- Coolant Pump
- Coolant Thermostat
- For transmission coolant circuit
- For version with dual clutch transmission
- ATF Cooler
- For version with dual clutch transmission
- After-Run Coolant Pump -V51-
- For version with dual clutch transmission
- Check Valve
- Restrictor
- Cap
- Check the pressure relief valve. Refer to COOLING SYSTEM, CHECKING FOR LEAKS .
- Coolant Expansion Tank
- Check Valve
- Engine Coolant Temperature Sensor on Radiator Outlet -G83-
- Engine Temperature Control Actuator -N493-
- Engine Oil Cooler