So, The purpose of a car water pump is to push coolant through the car’s engine.

Although the water pump in most modern cars and trucks will last a long time, they are not indestructible.

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Like any other mechanical device, they will produce a few warning signs of wearing out:

Coolant Leak

So, The water pump is comprised of multiple gaskets and seals that keep coolant contained. Eventually, these gaskets and seals will wear out, dry up, crack or break entirely. When this happens, coolant will leak from the pump and drop to the ground.

Rust, Deposit Buildup, and Corrosion

Gradual leakage over time will cause different minerals to build up around the pump. So, Check under the hood, and you may notice rust on the pump’s surface from contamination. The wrong coolant will also cause deposit-buildup inside the pump, which slows the ideal process of engine cooling.

Water Pump Pulley is Loose and Making Whining Sounds

From time to time you might hear a high pitched sound that comes from the front of the engine. As a result, One sign is a loud whining coming from the front of your engine that increases in volume as you accelerate.

Engine Overheating

When the water pump fails completely, it will not be able to circulate coolant through the engine block. This results in an overheating situation and if not repaired or replaced quickly, can cause additional engine damage.

Steam Coming from your Radiator

Finally, If you notice steam coming from the front of your engine, it is an instant sign of an overheated engine.

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