Since all vehicles run on an internal combustion engine, heat production will not be avoided. Heat is also necessary in order to power up the engine. But the amount of heat should only be in the moderate level; otherwise it will result to engine overheating. In order to have a balanced heat level, your car is installed with the cooling system. This system functions as the regulator of the engine temperature within the not too cold and not too hot range. In performing this function, the cooling system puts into play its subcomponents: thermostat, radiator, radiator cap, hose and the water pump.

Everything starts with the water pump and we can say that it is the heart of the cooling system. This part ensures that the other components do their jobs. In order to cool the engine, this part circulates coolant from the radiator to the engine then back to the radiator. This cycle goes repeated for as long as the engine is running since its power depends on the engine.

Vehicles usually make use of the centrifugal pump in their cooling systems. This pump circulates coolant all over the engine by means of a belt connected to the engine. The pump has an inlet, pump vane and an outlet where the coolant pass through during each cycle. When the coolant enters the pump, it will hit the vanes then the vanes will propel it to the outlet going to the engine once again. During each cycle, pressure is applied by the pump in order to facilitate the flow of the fluid or coolant. This pressure is regulated by the other elements of the cooling system like the thermostat heater control valves and the valve in the radiator cap. When the coolant enters the inlet, only a small amount of pressure is applied and the opposite happens with the outlet because very high pressure is put on it.

The water pump will show signs if it's already time to replace it. There will usually be a coolant leak in the engine area and especially in the water pump itself. A loud grinding noise under your hood is also another indicator that your water pump is about to bite the dust. In a situation like this, the best remedy is to replace your water pump or else it will result to further damage of your radiator and engine. Preventive measure is the ideal action to avoid costly repair and further inconvenience.

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