Pressure Washer Water Pump Not Working [How To Fix It Instantly]

There’s nothing more frustrating than having a pressure washer that doesn’t work. You need to clean your car, deck, or patio, but the machine just splutters and dies. It’s a major inconvenience, and it can be hard to know what to do next.

If your pressure washer water pump isn’t working, there are a few things you can check to troubleshoot the problem. In this guide, I’ll walk you through the steps of diagnosing and fixing the issue. By the end, you’ll be back to blasting away dirt and grime in no time.

Most Common Reasons Of Pressure Washer Water Pump Not Working

Most Common Reasons Of Pressure Washer Water Pump Not Working

1. No Water Inlet

The most common reason for a pressure washer water pump not working is that there is no water in the inlet. This can be caused by a number of things, such as:

The water hose is not connected to the water source.
The water source is turned off.
The water filter is clogged.
The water pressure is too low.

2. Clogged Water Inlet

Another common reason for a pressure washer water pump not working is a clogged water inlet. This can be caused by:

Dirt and debris getting caught in the inlet screen.
Minerals and sediment building up in the inlet.

3. Blocked Water Outlet

A blocked water outlet can also prevent the pressure washer water pump from working properly. This can be caused by:

Dirt and debris getting caught in the outlet nozzle.
Minerals and sediment building up in the outlet.

4. Worn Out Water Pump

In some cases, the pressure washer water pump itself may be worn out and need to be replaced. This can be caused by:

Excessive wear and tear.
Improper maintenance.

5. Electrical Problems

Electrical problems can also prevent the pressure washer water pump from working properly. This can be caused by:

A loose or damaged electrical connection.
A blown fuse.
A faulty pressure washer controller.

How to Troubleshoot And Fix: pressure washer water pump not working

Symptoms of a Pressure Washer Water Pump Not Working

There are a few different symptoms that can indicate that your pressure washer water pump is not working properly. These include:

No water coming out of the spray gun: This is the most obvious symptom, and it means that the pump is not generating enough pressure to push water through the hose.

Weak water pressure: If the water pressure is weak, it could be a sign that the pump is not working properly or that there is a blockage in the hose or spray gun.

Loud noises: If the pump is making loud noises, it could be a sign that there is a problem with the bearings or seals.

Vibration: If the pump is vibrating excessively, it could be a sign that there is a problem with the motor or bearings.

How to Troubleshoot a Pressure Washer Water Pump

If you suspect that your pressure washer water pump is not working properly, there are a few things you can do to troubleshoot the problem.

1. Check the water supply: Make sure that the water supply to the pressure washer is turned on and that there is no blockage in the hose.
2. Check the air filter: If the air filter is dirty, it can restrict the flow of air to the pump, which can cause the pump to overheat and malfunction.
3. Check the oil level: If the oil level is low, it can cause the pump to overheat and malfunction.
4. Inspect the pump for damage: Look for any signs of damage to the pump, such as cracks, leaks, or broken seals.
5. Test the pump: Once you have inspected the pump for damage, you can test it to see if it is working properly. To do this, turn on the pressure washer and attach the spray gun. Then, turn on the water supply and pull the trigger on the spray gun. If the pump is working properly, you should see a strong stream of water coming out of the spray gun.

How to Fix a Pressure Washer Water Pump

If you have determined that the problem with your pressure washer water pump is a simple fix, such as a dirty air filter or low oil level, you can usually fix it yourself. However, if the problem is more serious, such as a damaged pump, you may need to take the pressure washer to a qualified repair shop.

1. Clean the air filter: To clean the air filter, remove it from the pressure washer and rinse it with water. Then, dry the air filter thoroughly and replace it in the pressure washer.
2. Add oil to the pump: To add oil to the pump, locate the oil fill cap and remove it. Then, add the recommended amount of oil to the pump. Be sure to use the correct type of oil for your pressure washer.
3. Replace damaged parts: If the pump is damaged, you will need to replace the damaged parts. To do this, you will need to remove the old parts and install the new parts. Be sure to follow the manufacturer’s instructions for replacing the parts.

Preventing Pressure Washer Water Pump Problems

The best way to prevent problems with your pressure washer water pump is to properly maintain it. This includes:

Regularly cleaning the air filter: A dirty air filter can restrict the flow of air to the pump, which can cause the pump to overheat and malfunction.

Checking the oil level: The oil level should be checked regularly and topped up as needed.

Inspecting the pump for damage: The pump should be inspected regularly for signs of damage, such as cracks, leaks, or broken seals.

Following the manufacturer’s instructions: It is important to follow the manufacturer’s instructions for operating and maintaining your pressure washer.

By following these tips, you can help to prevent problems with your pressure washer water pump and keep your pressure washer running smoothly.

FAQs: Pressure Washer Water Pump Not Working

Why is my pressure washer water pump not working?

There are a few possible reasons why your pressure washer water pump might not be working. Here are some of the most common causes:

The pump is not getting enough water: Make sure that the water supply to the pump is turned on and that there is no blockage in the hose.

The pump is clogged: The pump can become clogged with dirt and debris, which can prevent it from working properly. To clean the pump, remove the inlet screen and clean it with a brush.

The pump is overheating: If the pump is overheating, it will shut down automatically to prevent damage. Allow the pump to cool down before trying to use it again.

The pump is damaged: If the pump is damaged, it will need to be replaced.

How do I fix a pressure washer water pump that is not working?

To fix a pressure washer water pump that is not working, you will need to identify the cause of the problem. Once you have identified the cause, you can take the appropriate steps to fix it.

If the pump is not getting enough water, check the water supply to the pump and make sure that there is no blockage in the hose. If there is a blockage, clear it out and try again.

If the pump is clogged, remove the inlet screen and clean it with a brush.

If the pump is overheating, allow the pump to cool down before trying to use it again.

If the pump is damaged, you will need to replace it.

What are the signs of a bad pressure washer water pump?

There are a few signs that can indicate that your pressure washer water pump is bad. These include:

The pressure washer is not producing any pressure.
The pressure washer is making a loud noise.
The pressure washer is overheating.
The pressure washer is leaking water.

If you notice any of these signs, it is important to have the pump checked by a qualified technician.

How much does it cost to replace a pressure washer water pump?

The cost of replacing a pressure washer water pump will vary depending on the size and type of pump. However, you can expect to pay anywhere from $50 to $200 for a new pump.

How can I prevent my pressure washer water pump from breaking down?

There are a few things you can do to prevent your pressure washer water pump from breaking down. These include:

Use the correct type of water: Do not use water that is too hot or too cold, as this can damage the pump.

Do not overload the pump: Do not use the pump to clean surfaces that are too large or too dirty, as this can put too much strain on the pump.

Clean the pump regularly: Make sure to clean the pump regularly to prevent dirt and debris from building up and causing problems.

Store the pump properly: When you are not using the pump, store it in a cool, dry place.

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