1F
Coolant Circulation
[A]: When thermostat is close 2. Thermo plunger 5. Cylinder block and cylinder head 8. Degassing tank 11. EGR cooler
[B]: When thermostat is open 3. Thermostat 6. Radiator 9. Heat exchanger      
1. Heater 4. Air bleed plug 7. Degassing tank cap 10. Water pump