### What Does the Water Pump Do?
Your vehicle's water pump circulates a mixture of 50% water and 50% coolant or antifreeze (variations exist based on the climate). The coolant mixture circulates through your radiator and engine to keep everything cool and prevent overheating. 

If this part is not working properly, your vehicle can't function properly, and as a result, the car engine may overheat. Engine overheating can cause serious problems that come with engine part warping. 

However, you can avoid these types of expensive repairs by taking care of your car's cooling system.

### How Much Does It Cost to Replace a Water Pump?

The cost of replacing your water pump varies based on your vehicle's manufacturer and what mechanic you use. But you can expect to pay between $300 and $750, on average. 

The part itself isn't very expensive and typically ranges between $50 and $100. The cost is increased because of the labor hours necessary to take out the old water pump and install a new one. These also vary from one mechanic to another.

It may be possible to pay less if you purchase the water pump yourself and then take it to the mechanic for installation. However, you should use caution to make sure you purchase the part from a reputable source. The make and model of your vehicle will impact the cost you pay. Also, taxes and fees may cause the average price to increase.

It's recommended that you proactively replace your vehicle's water pump every 60,000 to 90,000 miles. This is the same time frame as your vehicle's timing belt. In some vehicles, you will find the water pump behind the timing cover, which makes it logical to replace these components at the same time. If the water pump is not replaced in a timely manner, it can cause serious damage to many other components, including the cylinder head, crankshaft, and more.

Remember, while replacing your vehicle's water pump can be expensive, having to replace the engine is even more costly. If you ignore the signs that a new water pump is needed, this will likely result. It's best to have repairs right away when you notice issues with your water pump.

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### Tell-Tale Signs of a Failing Water Pump

As mentioned above, if your engine overheats, it can experience significant damage and even engine failure. While replacing the part proactively is recommended, it's also a good idea to know the warning signs of a bad water pump. Keep reading to learn what these are.

__Increased Coolant Temperature:__
The most obvious sign of a bad water pump is if your engine is overheating. The temperature warning light appearing in the dash or an elevated engine temperature reading is usually seen in the dash. When your water pump is fully functional, it can cool down the engine by circulating the coolant properly. A bad water pump (one that must be replaced) allows engine heat to rise to unsafe levels, which is measured by your vehicle's thermostat.

In some vehicles, the temperature gauge doesn't move from the center position until the engine's temperature reaches a dangerous level. Because of this, you should use caution and get to a mechanic for an inspection if you notice the needle move beyond the typical operating temperature.

__Radiator Steam:__
Is there steam coming from your vehicle while it is stopped or going down the road? If so, it's another sign of overheating. If your water pump is not working properly, the coolant does not circulate through the radiator to cool things down. This results in evaporation.

If you notice steam coming from the front portion of your vehicle, pull to the side of the road right away. Driving for long periods of time with an overheated engine can cause permanent and expensive damage.

__Strange Sounds:__
If your engine is making a squealing, buzzing, or whining sound, it may be due to a loose serpentine belt that is caused by worn-out bearings or a loose pulley. If the problematic bearings are in the water pump, the entire part must be replaced.

A common cause of premature water pump failure is if the accessory belt is too tight. If you decide to replace your car's water pump, it's recommended that you use a belt tension gauge to make sure the tension is properly set. This is an important part of water pump replacement.

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__Leaking Fluid:__
If you notice orange or bright green fluid under the front of your vehicle after it is parked for several hours, it could be a coolant leak. This occurs when the seals and gaskets in your water pump or hoses wear out, break, or crack. Even if you don't see a puddle of fluid, it's a good idea to look at the water pump (especially if there are other symptoms) to see more buildup than on the other parts in the engine block.

If there is a slow leak of coolant, it may dry up on the exterior of the water pump and solidify. It may also cause corrosion or rust, which is shown as "pitting" in the component's metal.

__Inconsistent Readings from the Temperature Gauge:__
Having a fully functioning engine cooling system will help keep the temperature gauge within the set, normal limits all the time. With a faulty water pump, the temperature gauge needle may move from normal to hot or vice versa.

Having a bad radiator can also cause this problem. Both issues need to be repaired before you drive the vehicle again.

### DIY vs. Hiring a Mechanic

It is possible to replace the water pump on your own. However, if you don't have prior experience, it is best to hire a mechanic to handle the job. After all, you want peace of mind the water pump work done is adequate. Not only will the mechanic ensure the job is done properly, but they also understand how to make the replacement safely.

Coolant reaches scalding temperatures and under a lot of pressure while your vehicle is running and several hours after turning it off. Because of this, you may suffer a serious injury if you don't know what you are doing.

Your vehicle's water pump plays a critical role in keeping your engine running smoothly. Find out everything you need to know about when to replace your water pump, symptoms of a bad one, and what this repair costs.

Does My Car Need a New Water Pump and What Does It Cost?

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