Cooling system device (diesel engine) (Peugeot 207)

1 - coolant expansion tank;
2 - Coolant inlet block;
3 - heat exchanger of exhaust gases of coolant;
4 - heater heat exchanger;
5 - bleed bolt;
6 - coolant outlet block;
7 - cooling system radiator;
8 - expansion tank solenoid valve;
9 - coolant/oil heat exchanger.