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