Connection Diagram - Coolant Hoses
WARNING: This page is about a different car, the 2023 Audi S3, 2023 Audi RS 3, 2023 Audi A3 Quattro, and 2023 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