If the water pump in your car is driven by the timing belt, then having it replaced at the same time is crucial and also because both these components have similar service life spans. Q) What Components Should Be Replaced Along With The Water Pump? Always replace your water pump along with the driving belt at the recommended replacement interval to ensure prolonged service life from all components. Low-quality pumps generally show signs of failure within 60,000 km. This estimate varies from vehicle to vehicle and also on the quality of the pump installed. But water pumps are designed to last a long time by the manufacturers and you can expect about 100,000 to 150,000 km of service life before you start noticing the symptoms of water pump failure. Water pumps are constantly at work as the engine is started and so they endure a lot of wear and tear. An overly tight belt can cause excess stress on the pulley shaft and bearing leading to bearing failure or seal damage.
With prolonged use over hundreds of kilometres, the gaskets and seals wear out, dry up and break leading to water pump leakage. Seals and gaskets are often the most vulnerable parts of the pump.Also using coolant type that is not recommended by the manufacturer can cause issues. Contaminated coolant can have abrasive and harmful particles that can destroy the seals on the water pump.Here are the reasons for water pump failure: This can help you circumvent some of the cost of water pump replacement. One way to save some serious cash is to purchase from PartsAvatar to benefit from discounts on all related parts. All these factors are why water pump replacement can cost you anywhere from $400 to $1400. The cost of water pump replacement will vary between different vehicle makes and models and greatly depends on how much disassembly is required and how many components are replaced. This is what makes water pump replacement expensive on most vehicles. Apart from disassembly, the cooling system also needs to be drained and replenished. At this time, it is recommended to also replace other components such as the timing belt, tensioners, pulleys and water pump gasket as well as replacing these components when they fail may cost extra labour charges. Therefore considerable disassembly is required to access the water pump and one also needs to properly fit the timing belt once removed. Accessing the water pump can be hard because most water pumps are part of the timing belt assembly and hence are situated behind the timing belt cover. Let us now take a look at the signs of a failing water pump to prevent such a catastrophe. If the engine continues to overheat for a prolonged period, engine seizure can occur, which is absolutely the worst thing for an engine.
If the water pump fails, the coolant circulation is stopped which results in engine overheating. This cycle repeats itself to ensure the engine remains at operating temperature. It then flows through the radiator where the antifreeze cools down and is fed back into the water pump for repumping into the engine block. The coolant entering the pump is directed into the engine block and cylinder head. The water pump is a necessary component of the entire cooling system and is responsible for maintaining consistent coolant flow throughout the system. This pulley is operated by the engine through the crankshaft and is often run by the timing belt or in some cars, an auxiliary drive belt or the serpentine belt. The impellers are connected to a shaft that is attached to a pulley. As the water enters through the inlet, it is shot over the pump impellers that rotate along with the engine and push the coolant through the outlet which is connected to the engine block. The water pump is essentially a centrifugal pump.
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