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Along with the water pump, the radiator is one of the most vital components in the cooling system. Its primary function is to cool the passing fluid from the motor before circulating it back through the water/coolant passages in the engine block and cylinder heads. Often times, crushed or clogged radiator fins create a block in the flow of coolant. When the radiator is unable to deliver the necessary volume of cooled fluid, the motor begins its rapid and fatal climb to boil! As fundamental as it is, we still seem to neglect this part of the cooling equation and