What Does A Water Pump Do In A Car?


in Auto FAQs and News
Car engine

Source: Pixabay

There are many components in a vehicle, each playing a critical role in the integrity and lifespan of the vehicle. Whether it’s a tiny cylinder or a powerful engine, there is a role for everything. One component is the water pump. If you’re unfamiliar with this part, you might wonder - what does a water pump do in a car? What is its job?

If you’re interested in learning more about the role of a water pump in a car, you’ve come to the right place. It’s valuable to know more about every component in your vehicle so that if issues appear, you know what is wrong. Read on to learn more about the water pump’s job, what it does in a vehicle, symptoms of a bad water pump, and other valuable information. 

What Does A Water Pump Do In A Car?

What does a water pump do in a car? According to bigotires.com, the water pump moves coolant out of the radiator and into the coolant system, then through the engine before cycling it back around to the radiator once again. It helps take heat out of the engine and move it to the radiator so it can cool it down and eject it from the vehicle.

The water pump is necessary in a vehicle. Without this component, coolant and water would remain in the radiator and would not go anywhere. In response, the engine would overheat, and your car would break down and fall apart. An overheating engine is no good and the water pump ensures it doesn’t happen.

A water pump is critical to keep everything cool. If you notice anything that could indicate a break in this component, take it to the shop as soon as possible.


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What Are the Symptoms of a Bad Water Pump in a Car?

It’s helpful to know what to look for when any component of your vehicle breaks down. With the water pump, a break could lead to a collapse of your vehicle if you don’t act fast enough. Luckily, there are several clear signs you can keep an eye out for on the road.

According to idolz.com, here are some signs of a bad water pump in a car:

  • Overheating engine
  • Coolant leak
  • Water pump rust and corrosion
  • High-pitched and harmonic whining sounds
  • Holes on the dry side of the water pump
  • Steam coming out from under your hood

These indicate there is something more serious at play.

If you notice these signs consistently, take your vehicle to a repair shop. They will diagnose the car and repair it as soon as possible. If you know a bit about vehicles, consider fixing them yourself to save money. However, take care - if you break any components, you could pay more than if you’d just hired someone in the first place. 

How Can A Water Pump Break?

We’ve talked about indications that your water pump is broken, but what can cause it to fall apart? There are four common causes of this issue you should keep an eye out for if you notice poor symptoms in your vehicle. 

According to gmb.net, here are a few common causes of a water pump break:

  • A poor seal
  • A loose drive pulley
  • A bad or broken belt
  • Corrosion

Any of these items could lead to a breakdown of the water pump system.

If there’s a poor seal on the water pump, the fix could be as easy as adding a new seal to the system. However, if there is serious corrosion on the water pump, you could need an ensure replacement. That action might cost a little more to deal with if you take it to get a quote at the auto body shop. 


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How Much Does It Cost to Replace a Water Pump In A Car?

When thinking about the question - what does a water pump do in a car - it’s helpful to consider how much it costs to replace a water pump in a vehicle. After all, it is a critical component - how much should you set aside at a time just in case the part decides to break down on you?

According to jdpower.com, replacing a water pump in a car can cost anywhere from $400-$1,000. It’s no small matter, but it is worth it if you want to keep your current vehicle.

If you’re excellent with vehicles, you can attempt to replace the water pump yourself. However, it’s best to see a professional - one break could lead to more expensive repairs.

How Can I Prevent Water Pump Issues?

If you want to keep your car for as long as possible, it’s best to prevent water pump issues when possible. There is one practical thing you can do to keep the water pump in tip-top condition.

According to gmb.net, the best thing you can do is continue to flush the coolant system regularly. Also, keep an eye out for corrosion and other wear and tear. The faster you notice it, the less expensive and severe the water pump trouble will be. The more care and attention you put into your vehicle’s water pump, the longer it will endure.


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Final Thoughts

So - what does a water pump do in a car? This component takes water from the radiator and shifts it through the motor to the back of the radiator, where the entire cycle starts over again, and so on. If you notice any indicators that there is an issue with the water pump, take it to a repair shop to get it fixed as soon as possible for the best results.

We hope this information was helpful! Every component of your vehicle matters, from the smallest bolt to the core of the engine itself. The more familiar you are with every piece, the more confident you can feel in your ability to provide your vehicle with a long, sustainable life. The more you care for your car, the more it will care for you.



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