Basically, there are two types of cooling systems available on motor cars. First is the Liquid cooled and Air cooled. Air cooled engines are available on a few older cars, the likes of the original Volkswagen Beetle, the Chevrolet Corvair and a few others. However a good number of modern motorcycles still use the air cooling, but for the most part, however, automobiles and trucks use liquid cooled systems and that will form the focus of this post.
The cooling system is summed up of the passages inside the engine block and heads, a water pump to circulate the coolant, a thermostat to regulate the temperature of the coolant, a radiator to cool the coolant, the radiator cap to control the pressure in the system, and some plumbing materials consist
READ MORE at;http://www.automobileglobe.com/how-the-cooling-system-works/

You better put the whole crap here.