Wear and tear: This is one of the most common causes of failure. Over time, the impellers, bearings, and seals of the pump can wear out or deteriorate due to long-term operation, resulting in degraded or failed pump performance. Generally speaking, the lifespan of a water pump is between 80,000 km and 120,000 km, so when your car travels to this mileage, you should check the condition of the water pump just in case.
Corrosion: This is another common cause of failure. If the coolant contains impurities or unsuitable components, or if the coolant is not replaced in time, the metal parts of the pump will be corroded or oxidized, resulting in rust spots or deposits on the surface of the pump. This can affect the flow and pressure of the pump and even cause the pump to crack or leak. Therefore, you should use the correct type and amount of coolant and change it regularly to keep your cooling system clean and healthy.
Improper installation: This is an easily overlooked cause of failure. If the pump is not installed according to the manufacturer's instructions, or if unsuitable tools or parts are used, then the pump may become loose, offset, or deformed, resulting in improper or damaged pump operation. Therefore, you should choose an experienced and reputable repair shop to install or replace the pump and follow the manufacturer's instructions and recommendations.
Poor maintenance: This is a cause of failure that can be avoided. If you don't regularly inspect and maintain your cooling system, then you may be overlooking some potential issues such as loose belts, cracked pipes, low coolant, etc. These problems can affect the efficiency and life of the pump, and even lead to pump failure. Therefore, you should regularly inspect and maintain your cooling system and address any issues in a timely manner.
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