➤ THERMOSTAT EXPLAINED – ENGINE COOLING SYSTEM CONTROL DEVICE The thermostat is a temperature-sensitive flow-control valve installed in the engine cooling system. Its primary function is to regulate coolant circulation between the engine and the radiator based on operating temperature. By controlling coolant flow, the thermostat ensures the engine reaches its optimal operating temperature quickly and maintains it under varying load and ambient conditions. --- ➤ FUNCTION OF THE THERMOSTAT An inte