Pic. 4.11. SOHC Engine Coolant Pump: 1 - Branch pipe (except carbureted engines); 2 - Branch pipe; 3 - Coolant temperature gauge; 4 - Coolant temperature sensor; 5 - Outlet pipe of the cooling system; 6, 10 - Inlet pipe of the cooling system; 7 - Thermostat; 8 - Thermostat housing; 9, 11 - O-ring; 12 - Water pump