ENGINE
B2420, WSM
1-M2
2. COOLING SYSTEM
The cooling system consists of a radiator (1), a centrifugal water pump (4), a cooling fan (2) and a thermostat (3).
The water is cooled as it flows through the radiator core, and the cooling air through the radiator core by cooling
fan (2).
The water pump (4) receives water from the radiator (1) or from the cylinder head and force it into the cylinder
block.
The thermostat (3) opens or closes according to the water temperature.
When the water temperature is high, the thermostat (3) opens to allow the water to flow from the cylinder head to
the radiator (1). When the water temperature is low, the thermostat close to flow the water only to the water pump (4).
The opening temperature of the thermostat (3) is approx 82 °C (179.6 °F).
9Y1210436ENM0002US0
(1) Radiator
(2) Cooling Fan
(3) Thermostat
(4) Water Pump
(5) Cylinder Head Water Jacket
(6) Cylinder Block Water Jacket
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