Connection Diagram - Coolant Hoses
- Blue = large coolant circuit.
- Red = small coolant circuit.
- Brown = heating circuit.
- Green = coolant circuit for the transmission.
- Arrows = coolant flow direction.
- Radiator
- Engine Coolant Temperature Sensor on Radiator Outlet -G83-
- Engine Temperature Control Actuator -N493-
- Cylinder Block/Cylinder Head
- Restrictor
- Parking Heater
- With Recirculation Pump -V55-
- Equipped on some models
- Coolant Expansion Tank
- Cap
- Checking the pressure relief valve. Refer to COOLING SYSTEM, CHECKING FOR LEAKS .
- Check Valve
- Exhaust Manifold
- Integrated in cylinder head
- Turbocharger
- Heater Core for the Heater
- Restrictor
- Check Valve
- After-Run Coolant Pump -V51-
- For versions with dual-clutch transmission
- Engine Coolant Temperature Sensor -G62-
- Coolant Shut-Off Valve -N82-
- Restrictor
- Coolant Pump
- ATF Cooler
- For versions with dual-clutch transmission
- Transmission Coolant Valve -N488-
- Check Valve