Connection Diagram - Coolant Hoses
WARNING: This page is about a different car, the 2024 Audi A3 Quattro and 2024 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.
- Blue = large coolant circuit.
- Red = small coolant circuit.
- Brown = heating circuit.
- Green = coolant circuit for the transmission.
- Arrows = coolant flow direction.
- Radiator
- Not Installed
- Engine Coolant Temperature Sensor on Radiator Outlet -G83-
- Engine Temperature Control Adjusting Element -N493-
- Cylinder Block/Cylinder Head
- Restrictor
- Parking/Auxiliary Heater
- Coolant Expansion Tank
- Cap
- Check the pressure relief valve. Refer to COOLING SYSTEM, CHECKING FOR LEAKS .
- Check Valve
- Engine Oil Cooler
- Turbocharger
- Heater Core for the Heater
- Restrictor
- Check Valve
- Coolant Recirculation Pump -V50-
- Engine Coolant Temperature Sensor -G62-
- Restrictor
- Coolant Pump
- ATF Cooler
- Transmission Coolant Valve -N488-
- Check Valve