Radiator: Finned aluminium panel placed in the frontal part, inside of the engine bay.
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Inside of it flows the hot refrigerant. Its purpose is to allow the air at room temperature between the fins to cool the refrigerant. It has 2 thick hoses, one in the opening (upper part) and another in the exit (lower part).
I put in a new water pump radiator and thermostat and thermostat house it over heats fast I flushed the radiator no blockage water still boils back out