How to Winterize a Pressure Washer

Learn how to properly winterize your pressure washer by adding antifreeze to the pump, draining the oil, and adding oil to the piston. Read the full article for a step-by-step guide.

It's important to protect your pressure washer by getting it ready for the cold temperatures and winter. This can be in less than an hour with no trouble. Follow the steps below to learn how to drain your gas, add antifreeze to your pump, and prevent corrosion in your piston.

How to Winterize a Pressure Washer


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Add antifreeze to pump

1. Choose the correct antifreeze

Use either RV antifreeze or a can of Pump Saver.

How to Winterize a Pressure Washer

 

2. Attach Pump Saver hose to the inlet of the pump

If you use RV antifreeze, you'll want to rig up a hose to the inlet of the pump and a funnel to outlet. This will allow you to add the antifreeze to your pump.

If you're using a can of Pump Saver, simply screw the hose from the can to the inlet on the pump.

How to Winterize a Pressure Washer

 

3. Place container over the outlet of the pump

This will catch the excess fluids that will drain out during this process.

How to Winterize a Pressure Washer

 

4. Spray the Pump Saver

Hold down the Pump Saver button for about 10-20 seconds.

How to Winterize a Pressure Washer

 

 

Remove all fuel from your fuel system

1. Clamp off the fuel line

Use of pair of hose clamps to clamp your fuel line.

How to Winterize a Pressure Washer

 

2. Release fuel clamp and full fuel line away from carburetor/fuel pump

Use a pair of needle-nose pliers to remove the fuel clamp -- then pull the fuel off of the carburetor or fuel pump (models may be different).

How to Winterize a Pressure Washer

 

3. Drain fuel into container

After you remove the hose from the carburetor, make sure you have a container to catch the fuel you'll be draining.

How to Winterize a Pressure Washer

 

4. Reattach fuel line and clamp

Once all of the fuel has been emptied, replace the fuel line and clamp into their original locations.

How to Winterize a Pressure Washer

 

5. Remove fuel from the carburetor bowl

Depending on the type of carburetor you have, you'll empty the fuel by loosening a valve screw or by removing and draining the bowl completely.

How to Winterize a Pressure Washer

Add oil to the cylinder

1. Remove the spark plug

Use a socket to remove the spark plug from the cylinder.

How to Winterize a Pressure Washer

 

2. Add a little bit of oil into the cylinder

Add about a tablespoon of 30W motor oil into the cylinder.

How to Winterize a Pressure Washer

 

3. Use the starter to crank engine over a few times

Pull the pull cord a few times to circulate the oil in the piston.

How to Winterize a Pressure Washer

 

4. Replace the spark plug

Replace the spark plug with a socket wrench.

How to Winterize a Pressure Washer

 

Conclusion

And it's just that easy to winterize your pressure washer for the winter. No matter what type of pressure washer you have, the steps of this process won't change. Not only will this save you money on replacing parts, it will extend the life of your pressure washer. You'll be happy you winterized your pressure washer when Spring hits, so don't delay!

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