How to Tell If Your Water Pump Is Going Bad: 10 Warning Signs

Are you tired of your water pump going on and off every hour? Do you feel it's time to change out your old, rusty well pump for a new model because something is not working right with yours?

If so, our guide will help. It discusses ten warning signs that can alert homeowners when their water pump may be failing. Read this article now.

How A Typical Well Pump System Works

A typical well pump system consists of three main parts: the well pump, the motor, and the control box.

The well pump is located at the bottom of the well. It has an intake pipe that connects to the top of the well. This water pipe allows the water from the ground to enter the pump.

The motor is attached to the pump. It turns the pump as needed. The control box is connected to the motor. It controls the flow of electricity through the motor.

The pump draws water from the well and pushes it to the surface. At the surface, the water flows through a hose to the faucet.

How do I know if my water pump is going bad?

If you're not sure whether it is a bad water pump or not, there are a few things you can look for. One of the most obvious signs is a loss of power. After that, the motor should turn smoothly without any hesitation or stuttering.

Another sign is an increase in noise level. For example, a clunking sound could indicate a worn-out impeller.

A third sign is a decrease in pressure. This means the pump isn't pushing as much water through the system.

The last sign is a lack of flow. When the pump stops pumping, check the faucet at the end of the hose. You'll notice that the water doesn't come out anymore.

The best way to tell if your water pump is going out is by checking the manual. Look for a specific number of hours between service intervals.

For example, if your manual says "every two years," you need to replace it after two years.

However, some pumps don't have a set interval. The following guidelines can be used in these cases.

If you've had the same water pump for more than five years, it's probably time to get a replacement.

Signs of a Bad Water Pump

Here are some common signs that indicate a water pump might be failing.

1) Noisy operation.

When the pump starts, it makes a loud buzzing sound. As the pump continues running, the noise gets louder and louder. Eventually, the noise becomes unbearable.

2) Loss of power.

As the pump runs, it uses electricity. So if the pump loses its power supply, it won't run properly.

3) Stalling.

As the pump runs, it creates suction if the suction decreases too low, the pump stalls.

4) Increased noise.

When the pump stalls, it produces a high-pitched whine.

5) Decreased water pressure.

As the pump operates, it creates a vacuum. If the pressure drops below what's required, the pump will stall.

6) Lack of flow.

When the pump runs, it pulls water from the well. If the pump doesn't pull enough water, it won't work correctly.

7) Clogging.

Water tends to collect on the inside of the pump. If this happens, the pump won't operate correctly.

8) Motor burnout.

Overheating may cause the motor to burn out.

9) Failing bearings.

Over time, the bearings wear down. If they start making excessive noise, the pump will stop working.

10) Broken parts.

If the pump has broken parts, it won't function properly.

There might be other major issues besides these in case we don't understand what to do or call for a professional.

Why does a water pump go bad?

There are a few reasons why a water pump might go wrong. One reason is that the water pump's lifetime is shortened by factors such as contamination or improper coolant.

Another reason is that the bearings in the water pump might wear out, causing it to overheat and damage other parts of the engine.

Finally, if the impeller in the water pump becomes clogged with debris, it will not be able to circulate coolant properly and will also lead to overheating.

Whenever any of these problems occur, it is essential to replace parts like the water pump as soon as possible.

How long does a water pump last?

Water pumps typically last between 60,000 and 90,000 miles. Always keep an eye on your water pump and be familiar with the signs that it is going bad. If there are any tension problems, it can damage the pump shaft, bearing, and seal.

A good water pump will last longer than a cheap one and should be replaced at the same time as the pump. The timing belt should be replaced when it becomes worn or damaged.

How often should I replace my water pump?

It depends on how old the water pump is and what type of vehicle you own. Most manufacturers recommend replacing the water pump every two years. However, this recommendation is only a guideline.

Always follow the manufacturer's recommendations when it comes to your particular model.

How do I know if my water pump needs to be replaced?

To determine whether your water pump needs to be repaired or replaced, look for the following warning signs:

• Loss of water pressure (low water supply level).

• Rapid fluctuation in pressure.

• Increased water consumption.

• High water bills.

• Tension problems.

• Bearing problems.

• Clogging of the impeller.

• Debris buildup in the filter.

• Heat buildup.

• Motor noise.

• Cracked or leaking seals.

You should contact a professional mechanic immediately if you find any of these common symptoms.

How much does it cost to replace a water pump?

The cost of replacing a water pump can vary depending on the make, model, and year. Labor costs are usually the most expensive part of replacing a water pump. The parts cost is usually the same no matter where you get your repairs done.

Professionals at a small repair shop are likely to charge less for labor than professionals at a dealership. You might be able to save money by getting your water pump fixed at a small repair shop, but you should also consider having a professional mechanic do the job.

A person should be aware of the risks involved in small repair shops. A big repair shop is better because you can trust that they know what they're doing and won't introduce any new problems.

What are the consequences of ignoring a failing water pump?

If you are like most people, you probably don't think about your water pump until it's too late. And by then, the consequences of ignoring a failing water pump can be dire.

A water pump is responsible for circulating coolant throughout your engine. When it fails, the machine can overheat, resulting in extensive damage. In some cases, the engine may even catch on fire.

So if you notice that your water pump is making strange noises, don't wait to get it fixed. The consequences of ignoring a failing water pump can be costly and dangerous.

How do I prevent my water pump from going bad?

You can do a few things to prevent your water pump from going bad:

Make sure you install the pump correctly and avoid coolant contamination.

Check the water pump belt for damage and replace it if necessary.

Keep an eye on the cooling system and repair any minor leaks as soon as they occur.

Watch How to Tell If Your Water Pump Is Going Bad

How to Tell If Your Water Pump Is Going Bad (FAQs):

What Do You Do If Your Water Doesn’t Flow?

Usually, if your water isn't flowing, you'll need to call in a plumber, but you can do a few simple checks to determine if a minor problem is affecting your water supply.

What if Your Well Pump Is Broken?

Although some assume their well pump has stopped working right away, how do you know if it is broken with a few different components that get your water into your home? There is no doubt that the pump will fail at some point, but here are a few other issues to consider.

What if my well pump is bad?

A professional can diagnose the problem if the breaker goes out again, as they will know if the pump is damaged.

What is a well pump problem?

There are three possible reasons why your water isn't working: Well failure (low supply of water in the ground), Equipment failure (of the equipment or from a power failure affecting the equipment), and Plumbing breakdown (clogged or broken pipes). Your electrical panel is the first thing to check when you no longer have water.

What Could Be the Cause of Your Well Water Problem?

It is possible that a bad water pump is the source of a water problem in your home, but other components of your well water technology may also be responsible.

What if the breaker for a pump is tripped?

The electrical box should be checked to see if a breaker has tripped, and if so, the breaker should be moved back to on. It may not be a power loss problem, but you can either switch the breaker to "off" again to prevent further damage or call a local technician if it is not the pressure switch.

What type of pressure tank is best?

A bladder-type internal water tank is the best choice because the water is separated from the air within the bladder.

What Are The Most Common Pressure Tank Issues?

Here are some common problems homeowners run into with pressure tanks that can be easily fixed, along with some insight into more complicated issues that will require the expertise of a plumber.

What is the Pressure Switch?

You should regularly maintain the pressure switch near the bottom of your pressure tank to avoid well water pumping problems.

What should I do if my pressure tank is not working?

If your pump was not operating, move apart the switch relay contacts and check to see if there is any pitting or burning on the connections.

How do I clean the pressure switch?

Otherwise, clean the contacts with fine-grit emery cloth or sandpaper until you have revealed the shiny metal on all communications — there are usually eight: four contacts with contact points on each side.

What is the pressure adjustment nut?

Adjust the pressure by finding the pressure adjustment nut located in front of the compartment with the contact points for the switch relay.

Can I repair my water pump myself?

Yes, but it's not recommended. For example, many people try to fix their water pump themselves because they think it's too expensive to pay someone else to do it. But, most DIY projects cost more money than they would have spent hiring a professional to do it.


If you are experiencing any symptoms of a water pump going bad, it is best to replace it as soon as possible to avoid further damage.

Be sure to heed the advice in this article to help you determine if your water pump is going bad and, if so, how to replace it.


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