Fix Your Pressure Washer Pump in 6 Easy Steps

If you're like most people, you probably use your pressure washer quite a bit during the summer months.

And if you're like most people, you've probably had to deal with a broken pressure washer pump at some point.

In this blog post, we will walk you through 6 easy steps to fixing your pressure washer pump!

Pressure Washer Pumps and Their Maintenance

Pressure washers are incredibly useful tools for many jobs, from cleaning tall buildings to removing graffiti. Pressure washer pumps are the heart of these machines. They generate and maintain pressure that is necessary for the pressure washer to perform its tasks.

For optimal performance, these pumps must be properly maintained - this includes lubrication, o-ring inspections and fuelling of the pump with specified fluids. Additionally, a water filter should be used to keep debris from entering the pump and causing damage.

Good maintenance practices can extend the life of the pressure washer pump and ultimately help get the most out of your investments in these high powered cleaning tools.

Benefits of Fixing Your Pressure Washer Pump Yourself

The task of fixing a pressure washer pump can be daunting, but more rewarding than replacing the entire unit. Not only is it more cost-effective to repair the pump yourself, but you will also gain valuable experience in how a pressure washer operates.

Oftentimes, with the right tools and expertise, you can fix the pump in less time than it takes to purchase a replacement machine.

You'll also learn essential skills on how to maintain your pressure washer in order to keep it running at peak performance and avoid costly repairs in future for as long as possible.

Step 1: Identifying the Problem with Your Pressure Washer Pump

Troubleshooting Common Problems

The first step in fixing your pressure washer pump is identifying the problem. Common problems with pressure washers include motor failure, clogged nozzles, and leaks. It's important to identify the exact cause of the issue in order to fix it effectively.

In this section of our blog post, we will discuss how to troubleshoot common problems with pressure washers and identify the cause.

Examining the Pump for Wear and Tear

Another important step in fixing your pressure washer pump is to examine the pump for any signs of wear and tear. This may include cracked seals, worn o-rings, visible water damage or corrosion.

If any of these issues are present, they should be addressed before attempting to use the machine. Additionally, if there is a lot of debris in the pump, it should be cleaned out to ensure proper performance.

Step 2: Gather the Tools You’ll Need

Basic Hand Tools

The next step in fixing your pressure washer pump is to gather the necessary tools. You will need basic hand tools such as a flathead screwdriver, adjustable wrench, and pliers. Additionally, a socket set may be needed if you are replacing parts on the pump.

Specialty Tools for Different Types of Pressure Washer Pumps

Depending on the type of pressure washer pump you have, you may need different tools in order to fix it.

For instance, some pumps require a special set of Allen keys or other specialty tools that are specific to the make and model of your pressure washer.

Researching the manufacturer's recommendations is important so that you have all the right tools you need to successfully fix your pump.

Step 3: Disassemble the Pump

Removing Nuts, Bolts, and Other Components

Once you have gathered the correct tools, it's time to start disassembling the pump. This involves removing nuts, bolts, and other components that hold the pump together.

It is important to be careful when taking apart your pressure washer so as not to damage any of the parts.

Additionally, make sure to lay out each component in an organized fashion so that you know where each piece goes when reassembling the pump.

Taking off the Cover

After all of the components have been removed, you will be able to access the inner workings of the pump. Take off any coverings or guards that are in place and begin inspecting the internal parts.

Look for signs of damage such as cracks, corrosion, or wear and tear. If any issues are present, they should be addressed before reassembling the pump. If necessary, you can use replacement parts to repair any damage.

Step 4: Clean and Examine the Parts

Removing Debris from Inside the Pump

Once all of the parts have been inspected and any necessary repairs are made, it's time to clean the pump.

This involves taking out any debris that may have collected inside the pump and cleaning off any dirt or grime on the exterior of each component. Make sure to use a soft cloth or brush in order to avoid damaging any of the parts.

Checking for Damage to Seals or Other Components

It is also important to check all of the seals, o-rings, and other components for signs of damage.

If any of these parts are cracked or worn out, they should be replaced in order to ensure a proper seal and prevent future issues.

Furthermore, make sure to check that each component has been properly fitted before reassembling the pump.

Step 5: Reassemble and Test the Pump

Tightening Nuts, Bolts, and Connectors

Once all of the parts have been inspected and cleaned, it's time to reassemble the pump. Start by tightening all of the nuts, bolts, and connectors.

Make sure that each piece is secure and properly fitted before proceeding to the next step.

Testing the Pump for Proper Operation

After all of the components have been reassembled, you can test the pump for proper operation. Turn on the power and check that it is functioning without any issues.

Additionally, make sure to observe the pressure in order to ensure that it is operating correctly. If there are any signs of leakage or other problems, stop the machine immediately and make the necessary adjustments.

Step 6: Perform a Maintenance Checkup

Replacing Worn Parts

Performing regular maintenance checks on your pressure washer is essential for keeping it in top condition.

When checking the pump, make sure to replace any worn parts such as seals or o-rings. Additionally, check all of the connectors to ensure that they are properly secured and not damaged.

Adding Lubrication to Moving Parts

Finally, don't forget to add lubrication to any of the moving parts in order to avoid wear and tear. This will help extend the life of your pressure washer and ensure that it is operating at maximum efficiency.


In conclusion, repairing a pressure washer pump requires patience, organization, and the right tools. With the proper steps followed, you can successfully fix your pump without having to replace it.

Additionally, maintaining a regular maintenance checkup is essential for ensuring that your pressure washer runs effectively and efficiently. By following these tips, you can keep your pressure washer in top condition for years to come.

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