FIELD: machine building.
SUBSTANCE: invention relates to engine cooling system. Disclosed are methods and systems of control of radiator grille gate opening based on design value of oil dilution with fuel. In one example, the method may provide for the opening of the radiator grille opening to the closed position in response to the fact that the oil dilution value is greater than the threshold value, wherein position is determined based on value of dilution of oil in addition to temperature of coolant, and to acceleration/deceleration.
EFFECT: invention provides higher accuracy of coolant temperature control and fuel saving.
20 cl, 8 dwg
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