How to change oil on a pressure washer- in 2023


Welcome to our guide on how to change oil on a pressure washer! As a pressure washing enthusiast, you know that keeping your machine in top condition is crucial for achieving optimal performance. One of the essential maintenance tasks every pressure washer owner should know is changing the oil. Neglecting this task can lead to engine damage, decreased efficiency, and costly repairs. But don’t worry; we’ve got you covered with this step-by-step guide that will walk you through the process of changing oil like a pro! So grab your safety gear and let’s dive into it!

how to change oil on a pressure washer-step by step

Step One: Purging The Pump Of Contaminants
Before you change the oil, it’s essential to purge the pump of any contaminants that may have accumulated. Start by disconnecting all hoses and attachments from your pressure washer. Turn on the machine for 2-3 minutes to run water through the system and flush out any debris that might be present.

Step Two: Draining The Oil
Now that you’ve purged the pump of contaminants, it’s time to drain the old oil. Locate the oil drain plug on your pressure washer engine and remove it using a wrench or pliers. Make sure you have a container ready to catch all used oil as it flows out.

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Step Three: Replacing The Oil
Once all old oil has drained out, replace with fresh new oil according to manufacturer recommendations in your owner’s manual for your specific pressure washer model. It is important not only to use quality oils but also ensure they are compatible with gas engines since most residential-grade models feature such engines.

Remember always keep safety first when changing fluids in machines. Keep rags nearby just in case spills occur; wear gloves too because sometimes things can get slippery!

1. Purging The Pump Of Contaminants

Purging the pump of contaminants is a vital step in changing the oil on your pressure washer. Before attempting to replace the oil, it’s important to ensure that any debris or dirt particles are removed from the pump.

To start, turn off and unplug your pressure washer. Then, detach any hoses or attachments from the pump. Next, locate and remove the chemical injector filter assembly. This can typically be found near where you attach your detergent hose.

Once removed, use a small brush or compressed air to clear out any debris that may have accumulated inside the assembly. Take care not to damage any of its components during this process.

After cleaning out all visible contaminants from both these parts, flush your system with clean water for several minutes before moving onto draining the old oil.

By purging your pump of contaminants beforehand, you’re ensuring better performance and longevity for both your machine and new oil alike!

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2. Draining The Oil

Draining the oil is an essential step in changing the oil on your pressure washer. Before beginning this process, make sure you have all necessary tools and equipment including a drain pan, funnel, and new oil.

Firstly, locate the oil drain plug on your pressure washer’s engine. This is typically located at the bottom of the engine. Once you have found it, place the drain pan underneath to catch any spilling oil.

Next, use a wrench to loosen and remove the drain plug. It may take some force to break loose if it has been tightened over time. Be careful not to strip or damage the threads when removing it.

Once removed, allow all of the old used oil to completely drain out into your pan. This can take several minutes depending on how much was in there originally.

After draining out all of the old used oil from your pressure washer’s engine using gravity by positioning it with its input side up for 5-10 minutes until no more visible trace amount coming out down into that bucket or container placed below its output area; replace and tighten back up again securely with a new gasket before refilling with fresh clean recommended grade lubricant specified for this machine model/type according manufacturer instructions provided along with product warranty information

3. Replacing The Oil

Now that you have drained the old oil from your pressure washer, it’s time to replace it with fresh engine oil. But before pouring in new oil, make sure to check the owner’s manual for the recommended type and quantity of oil.

To replace the oil, first position a funnel into the hole where you removed the dipstick or fill cap. Then, slowly pour in fresh engine oil until it reaches the appropriate level. Be careful not to overfill as this can cause damage to your engine.

Once you’ve added enough oil, remove the funnel and reinsert either the dipstick or fill cap securely. Give everything a quick wipe-down with a clean cloth to avoid any leaks or spills.

It’s important to note that some pressure washers require an additional step after adding new engine oil – running it for a short period of time without using water pressure. This helps circulate and distribute the new oil throughout all parts of your machine.

With these simple steps completed, your pressure washer is now ready for its next cleaning task!

Pressure Washer Maintenance

After changing the oil in your pressure washer, it is important to take proper care of it for optimal performance and longevity. Regular maintenance will also help prevent any potential damage or breakdowns.

Before using your pressure washer, make sure to check all hoses and connections for any leaks or damage. Replace any damaged parts before use. It’s also important to inspect the air filter and clean or replace as necessary.

During use, always monitor the water supply to ensure a consistent flow of water. If there are fluctuations in pressure or lack of water flow, immediately shut off the unit and investigate the cause.

After each use, properly store your pressure washer in a dry area away from extreme temperatures and direct sunlight. Make sure to drain all remaining water from hoses and components to prevent freezing during colder months.

Regularly inspecting and maintaining your pressure washer can save you time and money in repairs down the line while ensuring optimal performance every time you need it!

Before Using Your Pressure Washer

Before using your pressure washer, there are a few important steps you should take to ensure that everything is set up correctly. First and foremost, make sure that you have the right type of fuel for your pressure washer. This will vary depending on whether it’s gasoline-powered or electric-powered.

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Next, inspect the hoses and nozzles for any signs of wear and tear or damage. If you notice anything amiss, replace those parts before use to prevent accidents from occurring.

It’s also important to check the oil level in your pressure washer engine before starting it up. You don’t want to run your machine without enough oil as this can cause permanent damage.

Be mindful of where you’re going to use your pressure washer. Make sure the area is clear of any obstacles or hazards that could cause tripping or accidents while operating the equipment.

By taking these precautions beforehand, you’ll ensure a safe and efficient cleaning experience with your pressure washer every time!

After Using Your Pressure Washer

After using your pressure washer, it is important to properly clean and maintain the machine. First, turn off the engine and release any remaining pressure in the system by squeezing the trigger gun. Then, disconnect all hoses and attachments from the machine.

Next, inspect all parts of the pressure washer for wear or damage. Check hose connections for leaks and ensure that no debris has become trapped in any of the nozzles or spray wands.

Once you have inspected everything thoroughly, give your pressure washer a good cleaning with soap and water to remove any dirt or grime that may have accumulated during use. Be sure to rinse it off completely before storing it away.

Store your pressure washer in a cool dry place with adequate ventilation until its next use. Remember to always follow proper maintenance procedures outlined by your manufacturer so that you can continue enjoying excellent performance from your machine for years to come!

Engine maintenance- Gasoline Powered Pressure Washers

Engine maintenance is an essential aspect of owning a gasoline-powered pressure washer. Neglecting it can lead to decreased performance and even damage to the engine. To ensure your pressure washer operates at its best, consider these tips for proper engine maintenance.

Firstly, regular oil changes are crucial to keep the engine lubricated and running smoothly. Be sure to check your owner’s manual for recommended intervals and use high-quality oil.

Secondly, inspect the air filters regularly and clean or replace them as needed. Clogged air filters can restrict airflow and cause poor engine performance.

Thirdly, check the spark plug periodically and replace it if necessary. A dirty or worn spark plug can affect ignition timing, causing problems with starting or running the engine properly.

Another important tip is to keep an eye on fuel quality and use fresh gasoline whenever possible. Old or contaminated gas can cause carburetor issues that may affect how well your pressure washer performs.

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Make sure you store your pressure washer properly during periods of non-use by draining all fluids from the system and keeping it in a dry place away from extreme temperatures.

By following these simple steps for proper engine maintenance on your gasoline-powered pressure washer, you’ll ensure that it runs efficiently when you need it most!


Changing the oil on your pressure washer isn’t as complicated as it may seem. With these easy-to-follow steps that we’ve outlined above, you can do it yourself and save some bucks in the process.

Remember to always prioritize safety by disconnecting the spark plug wire before performing any maintenance tasks on your pressure washer. Also, make sure to use high-quality oil recommended by the manufacturer for optimal performance.

Regular maintenance of your pressure washer is crucial if you want it to last long and perform at its best. Following these simple tips will help keep your machine running smoothly and efficiently for years to come.

We hope this guide has been helpful in showing you how to change oil on a pressure washer. Now go ahead and give your trusty cleaning companion some much-needed TLC!

What kind of oil do you put in a pressure washer?

The type of oil you should use in your pressure washer depends on the model and manufacturer. Most pressure washers require either detergent or non-detergent pump oil, which is specifically designed for high-pressure applications. Using regular engine oil can cause damage to the pump and decrease its lifespan.

When choosing a pump oil, it’s important to check the owner’s manual for specific recommendations from the manufacturer. Some brands may recommend synthetic pump oil over conventional oils due to its superior performance under extreme conditions.

It’s also essential to pay attention to viscosity ratings when selecting a pump oil. Viscosity refers to how thick or thin an oil is at certain temperatures, and different pressure washers require different viscosities.

In summary, always consult your owner’s manual before purchasing any type of oil for your pressure washer. Choose a detergent or non-detergent pump oil that meets the manufacturer’s requirements and has an appropriate viscosity rating for your machine. By using the right type of oil, you can extend the life of your equipment and ensure optimal performance every time you use it!

How many quarts of oil does a pressure washer take?

One of the most important things to keep in mind when maintaining your pressure washer is checking its oil levels. But how much oil does a pressure washer actually need? The answer depends on the make and model of your pressure washer.

Generally speaking, small electric pressure washers require about 16 ounces (0.5 quarts) of oil, while larger gas-powered models can take up to 20-24 ounces (0.6-0.7 quarts). To ensure you are adding the correct amount of oil, consult your owner’s manual or check with the manufacturer.

When adding new oil to your pressure washer, be sure to use only high-quality detergent oils specifically designed for small engines like those found in pressure washers. Using the wrong type of oil can cause damage and may even void your warranty.

It’s also important to note that overfilling your engine with too much oil can lead to performance issues and potential damage down the line. Always make sure you’re following proper procedures and measuring accurately when checking or changing your pressure washer’s oil levels.

How do you change the oil in a Briggs and Stratton pressure washer?

Changing the oil in a Briggs and Stratton pressure washer is an essential maintenance task that should be done regularly. When it comes to changing the oil, there are a few things you need to keep in mind.

Firstly, make sure your pressure washer is turned off and has had time to cool down before starting any work. Next, locate the oil plug on the bottom of the engine and place a container below it to catch the old oil as it drains out.

Once you have drained all of the old oil out, replace the plug and add fresh oil according to your manufacturer’s recommendation. Be careful not to overfill or underfill with new oil.

After adding new oil, run your engine for about five minutes so that it can circulate through all parts of your machine. Check again that you haven’t overfilled by checking your dipstick levels.

By following these steps carefully when changing your Briggs and Stratton pressure washer’s engine oils thoroughly will help prevent future problems while ensuring optimal performance from this powerful tool every time!

Is pressure washer pump oil the same as engine oil?

Choosing the right oil for your pressure washer is essential to keep it running smoothly and efficiently. Always check the owner’s manual to see what type of oil is recommended for your specific machine.

Remember that different brands and models may require different types of oils, so it’s crucial to double-check before making any purchases.

And finally, if you’re wondering whether pressure washer pump oil is the same as engine oil, the answer is no. While both oils are essential for keeping your pressure washer functioning correctly, they serve different purposes. Pressure washer pump oil helps lubricate and protect the pump from wear and tear caused by high-pressure water flow while engine oil keeps the motor running smoothly.

By following these guidelines and using high-quality oils in your pressure washer regularly, you can ensure that it operates at peak performance levels for many years to come!


  • Lucas

    Hi I am, a passionate and self-sufficient ‘USA’ resident who never depends on others to clean cars, other vehicles, decks, patios, driveways, sidewalks, and the exterior of my house. When I’m not busy always love to research new techniques to improve my cleaning skills and spend time maintaining pressure washers to keep them in top condition.

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