If you own a pressure washer, you know how important the pump head is for its performance. The pump head is responsible for pressurizing the water, allowing it to shoot out of the nozzle at high speeds. Unfortunately, like any mechanical device, the pump head can break or malfunction over time. This leaves many pressure washer owners wondering if they can fix the pump head themselves, or if they need to call a professional.

The good news is, in many cases, you can fix a pressure washer pump head on your own. It’s not as difficult as it may seem, and it can save you time and money. However, it’s important to note that not all pump head issues can be easily fixed. Sometimes, the damage is too severe and requires professional expertise. But for minor issues, such as leaks or clogs, you can try troubleshooting and repairing the pump head yourself.

So how do you know if you can fix the pressure washer pump head? The first step is to identify the problem. Is the pump head leaking? Is there a loss of pressure? Is the pump head making unusual noises? Once you determine the issue, you can then decide if it’s something you can tackle yourself or if you need to seek professional help.

Troubleshooting Common Pressure Washer Pump Head Problems

Pressure washer pump heads are essential components of the machine, responsible for pressurizing water to clean surfaces effectively. However, like any mechanical part, pump heads can experience problems over time. Understanding and troubleshooting these common issues can help you fix your pressure washer and get it back to optimal performance.

1. Low or No Pressure

If your pressure washer is experiencing low or no pressure, there are a few potential causes to check:

Clogged Nozzle: A clogged nozzle is a common issue that can restrict water flow and reduce pressure. Remove the nozzle, clean it thoroughly, and ensure there are no obstructions.

Damaged Pump Head Seals: Inspect the pump head seals for any signs of damage or wear. Replace any damaged seals to restore pressure.

Worn Pump Head Valves: If the pump head valves are worn out, they may not be closing properly, leading to a loss of pressure. Inspect the valves and replace them if necessary.

2. Leaking Pump Head

Leaking pump heads can be frustrating and can result in water wastage. Here’s what to check:

Loose Connections: Ensure that all connections to the pump head are tight and secure. Loose fittings can cause leaking.

1 used from $78.69
as of June 26, 2024 10:12 am change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.">

Cracked Pump Head: Examine the pump head for any cracks or damage. If you find any, it may be necessary to replace the pump head entirely.

Worn Pump Head Seals: Damaged or worn seals can cause leaks. Inspect the seals and replace them if needed to prevent further leakage.

3. Pump Head Overheating

Overheating of the pump head can lead to damage and decreased performance. Troubleshoot the following:

Blocked Water Inlet: Check the water inlet screen for any dirt or debris that could be blocking water flow. Clean or replace the screen if necessary to prevent overheating.

Inadequate Ventilation: Ensure that the pump head is properly ventilated. If the pump head is enclosed or covered, it may not be receiving enough airflow, causing overheating. Provide adequate ventilation to prevent overheating issues.

Running the Pump Head for Extended Periods: Continuous operation of the pressure washer without breaks can also lead to overheating. It is recommended to give the pump head regular breaks to cool down.

By identifying and addressing these common pressure washer pump head problems, you can effectively troubleshoot and fix your machine. Remember to always follow safety precautions and consult the manufacturer’s manual for specific instructions.

Step-by-Step Guide to Fixing a Pressure Washer Pump Head

Pressure washer pumps are an essential component of the machine, responsible for generating the high-pressure water stream used for cleaning various surfaces. Over time, these pump heads may experience wear and tear or encounter issues that require repair. Below is a step-by-step guide to help you fix a pressure washer pump head:

See also  What Do You Need To Start A Pressure Washing Business

Step 1: Safety Precautions

Before you begin any repairs, ensure you engage in necessary safety precautions. This includes turning off the pressure washer and disconnecting it from the power source. Additionally, wear protective gear such as safety glasses and gloves to prevent any injuries.

Step 2: Inspection

Thoroughly inspect the pump head for any visible signs of damage, such as cracks or leaks. Take note of any worn-out or broken parts that may need replacement.

Step 3: Remove the Pump Head

The next step is to detach the pump head from the pressure washer. This typically involves unscrewing or unbolting the pump head from the machine body. Refer to the manufacturer’s instructions for specific guidance on how to remove the pump head.

Step 4: Disassemble the Pump Head

Once the pump head is removed, carefully disassemble it by removing screws or fasteners that hold different components together. Take note of the order in which these parts are assembled for easier reassembly later.

Step 5: Clean the Components

Use a mild detergent and a brush to clean all the individual components of the pump head. Check for any debris, sediment, or mineral deposits that may have accumulated and hindered the performance of the pump head. Rinse the parts thoroughly with clean water and allow them to dry before proceeding.

Step 6: Replace Worn-out or Broken Parts

If there are any worn-out, damaged, or broken parts, replace them with new ones. This may involve purchasing replacement parts specific to your pressure washer model. Follow the manufacturer’s guidelines for properly installing the new parts.

Step 7: Reassemble the Pump Head

Carefully reassemble the pump head by following the reverse order of disassembly. Ensure all parts fit snugly and are properly aligned. If needed, refer to the manufacturer’s instructions for assistance.

Step 8: Reattach the Pump Head

Once the pump head is fully reassembled, reattach it to the pressure washer machine, following the specific instructions provided by the manufacturer.

Step 9: Test the Pump

After securing the pump head, reconnect the pressure washer to the power source and turn it on. Test the pump to see if it now functions properly. Check for any leaks, unusual noises, or performance issues. Adjust any settings as necessary.

Step 10: Regular Maintenance and Care

To prevent future pump head issues, maintain a regular cleaning and maintenance schedule for your pressure washer. This includes cleaning and inspecting the pump head, replacing worn-out parts, and following proper storage procedures.

By following this step-by-step guide, you can effectively fix a pressure washer pump head and ensure its optimal performance.

Signs that Indicate a Faulty Pressure Washer Pump Head

A pressure washer pump head plays a crucial role in ensuring the efficiency and effectiveness of a pressure washer. However, like any other part, it can become faulty over time. It is important to recognize the signs that indicate a faulty pump head so that you can take appropriate action. Here are some common signs to watch out for:

1. Loss of Pressure

One of the most obvious signs of a faulty pump head is a sudden loss of pressure. If you notice a significant drop in pressure while using your pressure washer, it could be a sign that the pump head is not working properly. This loss of pressure can make it difficult to clean surfaces effectively and can be frustrating to deal with.

2. Leaking Oil or Water

Another important sign to look out for is any leaks coming from the pump head. If you notice oil or water dripping from the pump head, it indicates a seal or gasket problem. This can lead to further damage to the pump head if not addressed promptly.

See also  Do You Need To Use Deck Cleaner With Pressure Washer

Pro tip: Regularly check the pump head for any signs of leakage and address them immediately to prevent further damage.

3. Unusual Noise

If you hear any strange or unusual noises coming from the pump head while operating the pressure washer, it is a clear indication that something is wrong. The pump head may be experiencing internal damage or mechanical issues.

In summary, it is important to pay attention to these signs that indicate a faulty pressure washer pump head. By recognizing these signs early on, you can take appropriate action, such as replacing or repairing the pump head, to ensure the optimal performance of your pressure washer.

Importance of Regular Maintenance for Pressure Washer Pump Heads

Regular maintenance is crucial for ensuring the longevity and performance of your pressure washer pump head. Neglecting proper maintenance can lead to a range of issues, including decreased pressure output, damaged seals, and even complete pump failure.

1. Preventive Maintenance

Performing routine preventive maintenance on your pressure washer pump head can help identify and address potential problems before they become major issues. This includes inspecting the pump head for any signs of wear or damage, such as leaks or unusual noise.

Additionally, it is important to check and clean the pump head’s inlet filter regularly to prevent clogs and ensure proper water flow. By regularly cleaning and replacing worn-out parts, you can avoid more costly repairs down the line.

2. Cleaning and Flushing

One of the most important aspects of maintaining a pressure washer pump head is cleaning and flushing it after each use. This involves removing any debris or chemicals from the pump head and its components to prevent build-up and corrosion.

Flushing the pump head with clean water also helps prevent the formation of mineral deposits, which can negatively impact the pump’s performance. It is recommended to run clean water through the pump for a few minutes after each use to ensure all dirt and residue are properly removed.

3. Lubrication

Regular lubrication of the pressure washer pump head is essential for smooth operation and preventing premature wear. Apply a small amount of pump oil to lubricate the pistons, seals, and other moving parts.

Be sure to consult the manufacturer’s recommendations for the appropriate type and frequency of lubrication. Over-lubrication can cause damage, so it is important to follow the guidelines and not exceed the recommended amount.

4. Winterizing

If you live in an area with freezing temperatures, proper winterization is crucial to protect the pressure washer pump head. Freezing water can cause severe damage to the pump’s internal components.

Before storing your pressure washer for the winter season, make sure to drain all water from the pump head and hoses. Running a winterizing solution through the pump is also recommended to remove any excess moisture and protect against freezing.

  • Regular maintenance of your pressure washer pump head
  • Preventive maintenance
  • Cleaning and flushing
  • Lubrication
  • Winterizing

By following these maintenance practices, you can greatly extend the lifespan of your pressure washer pump head and ensure optimal performance whenever you need it.

Expert Tips for Extending the Lifespan of a Pressure Washer Pump Head

A pressure washer pump head is a crucial component that powers the cleaning ability of your pressure washer. It’s subject to wear and tear over time due to the high-pressure water and constant use. To ensure a longer lifespan and optimal performance of your pressure washer pump head, here are some expert tips to follow:

1. Regular Cleaning and Maintenance

To prevent debris and dirt buildup, it’s essential to clean the pump head regularly. After each use, remove any remaining water and run clean water through the system to flush out any dirt or sediment. Additionally, check for any leaks or loose fittings and tighten them if necessary. Regular maintenance will help keep the pump head working efficiently.

See also  What Color Is Soap Nozzle For Pressure Washer

2. Use Clean Water

Using clean water is vital to preventing clogs and damage to the pump head. If your water source contains sediment or impurities, consider using a filtration system or a pre-filter attachment. This will help prolong the life of your pump head by reducing the risk of blockages.

3. Avoid Excessive Pressure

While pressure washers are designed for high-pressure cleaning, it’s important not to exceed the recommended pressure limits. Excessive pressure can lead to damage or premature wear of the pump head. Always consult the manufacturer’s guidelines and adjust the pressure accordingly for different cleaning tasks.

4. Proper Storage

Storing your pressure washer correctly can significantly impact the lifespan of the pump head. After use, make sure to drain any remaining water from the system to prevent freezing during colder months. Store the pressure washer in a clean and dry area away from extreme temperatures and direct sunlight.

5. Use the Right Detergents

Not all detergents are suitable for pressure washers. Using the wrong detergents can cause damage to the pump head and other components. Always use detergents specifically formulated for pressure washers and follow the manufacturer’s instructions.

By following these expert tips, you can extend the lifespan of your pressure washer pump head and ensure it continues to work efficiently for years to come. Remember to prioritize regular maintenance and proper usage to get the most out of your pressure washer investment.


My pressure washer pump head is not working properly. Can it be fixed?

Yes, a pressure washer pump head can be fixed. The first step is to identify the problem and determine if it can be repaired. Some common issues include clogged valves, worn seals, or a broken pump head. Depending on the severity of the problem, it may be possible to fix it yourself or you may need to take it to a professional repair shop.

How do I fix a clogged valve in a pressure washer pump head?

To fix a clogged valve in a pressure washer pump head, you will need to disassemble the pump head and clean the valve. Start by disconnecting the pump from the power source and removing the pump head. Use a wrench or pliers to unscrew the valve housing, then carefully remove the valve. Clean the valve thoroughly with water and a brush, removing any debris or buildup. Once the valve is clean, reassemble the pump head and test it to ensure it is working properly.

My pressure washer pump head has a leak. Can I repair it myself?

Yes, you may be able to repair a leaking pressure washer pump head yourself. Start by identifying the source of the leak, which could be a cracked pump head or a worn seal. If it is a seal that is causing the leak, you can try replacing the seal yourself. However, if the pump head is cracked or damaged, it may be more difficult to fix and you may need to replace the entire pump head. If you are unsure about how to proceed, it is always best to consult a professional for assistance.

Is it worth it to fix a pressure washer pump head, or should I just buy a new one?

Whether it is worth it to fix a pressure washer pump head or buy a new one depends on the severity of the problem and the cost of a replacement. If the issue is minor and can be fixed easily and inexpensively, it may be worth trying to repair the pump head. However, if the problem is more serious or the cost of a new pump head is similar to the cost of repairs, it may be more cost-effective to replace the pump head entirely. Consider the age and condition of your current pressure washer, as well as your budget, when making this decision.