Thursday, November 28, 2013

COOLING SYSTEM

COOLING SYSTEM
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Coolant flows through the engine, where it picks up heat. It then flows to the radiator, where the heat is given up to the outside air. The coolant continually recirculates through the cooling system.
Coolant temperature rises as much as 15°F (8°C) through the engine; then it recools as it goes through the radiator.
Coolant flow rate may be as high as 1 gallon (4 liters) per minute per horsepower the engine produces.
Hot coolant comes out of the thermostat housing on the top of the engine. The engine coolant outlet is connected to the top of the radiator by the upper hose and clamps.
Coolant in the radiator is cooled by air flowing through the radiator. As it cools, it moves from the top to the bottom of the radiator.
Cool coolant leaves the lower radiator outlet and lower hose, into the inlet side of the water pump, where it is recirculated through the engine.


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