General description of the cooling system (Renault Espace I)

The cooling system transfers heat from the cylinder block walls and head via coolant through the radiator to the environment. Anti-corrosion coolant is used for cooling. The water pump is driven by a V-belt from the crankshaft and directs the coolant through various hoses and channels. Degassing of the coolant is carried out in the expansion tank. The radiator, designed to cool the liquid, is ventilated by oncoming air flow under normal conditions, and under high thermal load, an electric fan is additionally switched on. The fan operation is controlled by a thermal switch located on the side wall of the radiator. To quickly reach the operating temperature of the engine after starting (about 80°C), the thermostat valve closes and blocks the circulation of liquid through the radiator.

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