Connection Diagram - Coolant Hoses
WARNING: This page is about a different car, the 2023 Volkswagen Atlas. 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
The arrows show the coolant flow direction.
- Coolant Expansion Tank
- Coolant Expansion Tank Cap
- Check the pressure relief valve. Refer to Pressure Relief Valve in Cap, Checking .
- Restrictor
- Check Valve
- Exhaust Manifold
- Integrated in cylinder head
- Turbocharger
- Heater Core for the Heater
- Heater Core for the Heater
- Depending on vehicle equipment
- In passenger compartment rear
- Thermostat
- Depending on vehicle equipment
- Starts to open 55 °C (131 °F)
- Restrictor
- Check Valve
- Heater Support Pump -V488-
- Restrictor
- Check Valve
- Radiator
- Coolant Pump
- With Engine Temperature Control Actuator -N493-
- Cylinder Head/Cylinder Block