How to fix a pressure washer that has no pressure | Replacing the check valves on my pressure washer

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Published 2023-06-24
After not using my pressure washer for many months, I found out it is not making any pressure. I need to replace the check valves inside the pressure washer pump. The hardest part of this repair is getting the check valves out of the pump. I used some EZ out bolt extractors and a drill bit to remove them.

Here's the video where I found out the pump isn't working.    • How to rebuild a Marvel Schebler Carb...  

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All Comments (21)
  • @richierich8081
    Nice... finally someone showing and explaining possible problems and process when having those issues...this might be my problem with my power washer.thank very much
  • I realize I am a year late watching this but better late than never. Well put together, documented and explained video. BIG THANKS! Mine doing the same. Have a great Navy Day!
  • @buckdangt3343
    I use a self tapping 1/4" bolt, ease it in till it grabs and take 2 screwdrivers pry under the bolt head and out she comes.
  • @farwestern99
    This got me thinking about how to repair my Subaru pressure washer, although I only needed to replace the O-rings and lube up the check-valves, make sure every component could rotate, back-and-forth on everything. And voila! everything works. Maybe if you were more gentle, and used more lube, you wouldn't have needed those replacement parts. Who knows, but knowledge was created here, so thanks.
  • @skitzdaniel3314
    I have bought 3 pressures washers over three years. Suspect for any washer is the aluminum/zinc die cast housing used, which is subject to corrosion and a frozen pump. I got one season out of the first two washers. Go to use it the next year and "ZERO". Lock up. Looking at the inlets there was corrosion all over the casting. Comes the third pressure washer. On the first two I used the flush and store system liquid through the pump and put it away for winter. That didn't work. Third washer, put hydraulic tool oil (4-5 table spoons) into the water inlet and ran the pump for about 10 seconds. It flushed out water and left an oil film in the pump. I have had this last pressure washer 3 years now and it starts up every year after winter. And the pressure is still strong. Frankly, I think these manufactures should be coating the die cast housings with corrosion resistant coating. I am a product engineer of 45 years, and designed automotive parts with corrosion resistant coatings to withstand freezing rain, heat, and road salts. I can tell you I never went back to the manufactures washers that only lasted one season. My current washer is a Sun Joe and it is holding up.....with the oil purge included.
  • @exiquter78412
    Nice job describing the valve removal and replacement. Most of the time, these valves will not pull out freely, destroying the white plastic valve cap.
  • @fs2k2k
    Easy fix, but have fun finding the repair parts
  • @tuwannarico
    Shut the gas off when you are finished using it. Allow it to run until it sputters and kills on its own! No more gas left in lines and carburetor, stops it from gooing up while not in use!
  • @1ronhall
    Nice work ….. I have inspired me to try this fix for my Ryobi 3100!
  • @Danman1115
    I was sooooooo frustrated that my fairly new washer lost all pressure as I was about to start my home cleaning project. But after watching this….. I am freaking stoked to rebuild my pump!!!!! Equally as frustrated I’ve given away 2 in the past for failed pumps…..
  • Cool video. I run Briggs & Stratton Pump Saver after each use or before storing my pressure washer to extend the life of those internal parts.
  • @pezkao2009
    Great work! Before doing this, did you discard other parts failing like the hose or nozzle? How is this procedure done in order to discard that first. Thanks!