Engine Cooling System

Operation of the Engine Cooling System

The pump forces the coolant to circulate through the system. While the coolant does not reach its normal operating temperature, the thermostatic valve prevents its flow to the radiator.
When the coolant temperature reaches its defined normal range, between 80 and 90ºC, part of the flow is directed by the thermostatic valve to the radiator. When the temperature approaches
the maximum limit (95 ºC), all the coolant flow is directed by the thermostatic valve, to the radiator.

When the temperature of the coolant increases, its volume and pressure also increase.
The valves located on the Expansion Reservoir cover are responsible for controlling the pressure of the
system.

The objective of the system is to operate under pressure, increasing the boiling point, avoiding damage to the engine.