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The water pump on this Audi could have been prevented with a regular cooling flush. Keeping your car on the road economically for the long run is our goal at The Auto Station in Burlington, Ontario

Engine coolant plays a crucial role in maintaining the proper operating temperature of the engine. It circulates through the engine block, absorbing heat generated by the combustion process, and carries it to the radiator where it dissipates. Coolant also provides anti-corrosion and anti-freeze properties, crucial for protecting the engine components and preventing freezing in cold temperatures.

When engine coolant is not changed regularly or becomes contaminated, several issues can arise that may affect the lifespan of the water pump:

Corrosion: Over time, coolant can break down and lose its anti-corrosion properties. This can lead to corrosion of metal components within the cooling system, including the water pump. Corrosion can cause damage to the water pump seals and bearings, leading to leaks and premature failure.

Cavitation: Contaminated coolant or low coolant levels can lead to cavitation, which occurs when vapor bubbles form and collapse within the coolant. These collapsing bubbles can cause pitting and erosion of the water pump impeller and housing, weakening the components and reducing their lifespan.

Heat transfer efficiency: Old or contaminated coolant may have reduced heat transfer efficiency, meaning it may not effectively carry heat away from the engine as it should. This can result in higher operating temperatures, which can put additional strain on the water pump and other cooling system components, potentially leading to premature wear and failure.

Particulate buildup: Over time, contaminants such as dirt, rust, and other debris can accumulate in the coolant. These particles can circulate through the cooling system and become trapped in the water pump, causing increased friction and wear on the pump components.

In summary, neglecting to change engine coolant can lead to corrosion, cavitation, reduced heat transfer efficiency, and particulate buildup, all of which can contribute to premature wear and failure of the water pump and other cooling system components. Regular maintenance and timely coolant changes are essential for ensuring the longevity and proper functioning of the cooling system.

Go to theautostation.ca to schedule your car's next service.