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

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 Marve...
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[@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.

[@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!

[@homebuiltshop]

Awesome, I hope you get it working again.

[@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.

[@mikedickens2447]

Nicely done!

[@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…..

[@randelcross]

Nice fix!!😊

[@tradesman63]

Great job using silicone grease.👍

[@toddcastle3926]

The check valves maybe stuck from dried soap. If you’re going to have to extract them, I would suggest letting the manifold soak in water over night.

[@homebuiltshop]

Thats interesting. I didn't even know that could happen. Thanks for the tip.

[@cerglabs3646]

This video just earned you a sub! Thanks bro.

[@tribeverage7268]

GREAT VIDEO!!! Thanks a ton....Cheers

[@webmastercaribou7570]

Thanks, my problem as well. Same pump.

[@dastardlydave1455]

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.

[@homebuiltshop]

I may have to get some of that stuff. I have some for my airless paint sprayer, I wonder if its the same stuff.

[@bertjesklotepino]

i got an 80 dollar pressure washer, electric. Not the most powerful, not the biggest machine. When first soaking the area or the car and then using this washer, it works fine. Has been giving me some pleasure for like 5 years now. To be honest, if it breaks down, i buy myself a new one for 80 bucks. I can not for the life of me think of a reason why i should bother using any kind of liquid sjit to try and save the internal parts. Especially not with the electric ones, because all of em originate from China. The more expensive ones may have a bit better quality parts but still, they aint gonna last for ever. It is a miracle if they last longer than the warranty period, since most of what we can buy these days is made to last just a bit longer than the warranty period.

[@devinmccloud]

If you get no pressure and it sprays a stream of water without the pump engaging, check the filter first. It is located on the water intake. Mine was 1/2 inch deep plugged with calcium.

[@HMX180]

I have the same model pressure washer as you just repaired. Do you have a link to the replacement parts?

[@trentschermerhorn5752]

Went to use my power washer yesterday (Craftsman different model) and a stream of water was shooting straight up from unloader valve or soap siphon port(?) I assume it's a check valve issue as well. Pump worked but with less than normal total pressure. Where exactly did you find the pump schematic and parts to order?? Thanks for posting

[@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!

[@jimlamb5508]

Using a paint can opener works well removing the check valves, but you have to grind the sides off a bit. the Check valves are not very sturdy and will fail quickly if water is not keeping them cool.

[@darrenadams1555]

Butane gas cools and shrinks the valves and blow the valves out with air

[@RJ-sr5dv]

Thanks

[@manuelpacheco8203]

I have the same pump but I can not find the right chake valves for it

[@TheOnlyonejeep]

i did mine in 2020 and just did it again and they came out fine with needle nose the valves separate fairly easy its a 4 piece valve snap apart and back together and i pushed them in fine with needle nose not sure why yours was so tough my washer is 14yrs old......the engine had seized up so i did the mystery oil trick in the spark plug hole and move it in reverse and it un seized

[@homebuiltshop]

I have no idea why they were so stuck. I just used it this morning after sitting all winter and it worked great.

[@matthewmckenzie6465]

I had the same issue as you with my AR pump. Took the 3 check valves out on the side (high pressure side) and all three were blown apart into pieces. I ordered new check valves and replaced them after cleaning out all the plastic pieces that broke off and were stuck in the passages. Got it all put back together today and tested it out, but no water would come out at all. Ordered MFG part number and the parts went back together just fine but I can't figure out why the pump wouldn't work. I took it back apart again and the 3 valves on the side were twisted and broken again but no water was coming out. Any thoughts on what is causing the check valve rapid disassembly and blocking water from coming out at all?

[@epiphgd4302]

That’s very helpful thanks. How’s your oil in the actual pump?

[@homebuiltshop]

It was pretty nasty last time I checked, I changed it out.

[@dalebechtel8904]

Where do you get the parts from?

[@bluebird5974]

I have Karcher k2. Same issue pump running but no pressure 😊

[@Patriottoo2]

What are the inner o-rings made of? The ones in my pressure washer keep blowing out, and I don't know what to replace them with.

[@bertjesklotepino]

rubber?

[@JM-yx1lm]

​@@bertjesklotepinoviton

[@jgeraudjr]

Where did you get the check valves and parts from?

[@bertjesklotepino]

e-bay?

[@ObsessionoftheMonth]

what are the part number of the valves?

[@Avatar8o]

Can you post the parts that you used?

[@BlancaGarcia-cn5el]

You have the pressure valve parts number

[@jkarpovi]

Guess what I’ll be doing this weekend?

[@Mike45-47Q]

Mine stalls out as soon as i turn the water on. Ideas????

[@exiquter78412]

If it stalls when you release the trigger on the wand, then the unloaded (overpressure valve) is hung up and not recirculating water back to the inlet of the pump. That part is the large brass valve with the hex nut and center stud next to the valve caps on the side.

[@derrickparkmond6164]

Mines have a little water coming out of three screw valves.

[@user-fo3mm6wu9z]

i loaned mine to my neighbor who couldnt get it to run, he filled the soap container with gasoline, is it ruined?

[@homebuiltshop]

I wouldn't think so. I'd just try to clean it out as best you can. I'd think it would be ok.

[@user-fo3mm6wu9z]

@@homebuiltshop he said it ran for a few minuits, turns out even with the instructions he was to stupid to turn the gas on, apparently full choke had it start. also he had the wrong nozzle for soap. low pressure. looks like the gas swole up a check ball and it keeps blowing the soap dispenser hose off. taking it in to get it repaired at his cost

[@pmaint1]

These pumps are total garbage. Homeowner special = shit!. Buy yourself a professional unit. I have a newer toro and its never worked right. I'm on my 2nd pump because the original one never worked. It would have pressure for a second or two then it would be just a weak stream so i replaced the pump and I'm having the same problem. Plenty of h2o pressure from the house and I've tried different hoses still no pressure. POS.

[@mikedevo363]

so slow in explaining. Lot's of talking, little information shared for a long video.

[@epiphgd4302]

Disagree. Chap was thorough. Good video.

[@louisgonzalez9489]

Then watch in 2x speed. His target audience is probably people that have limited experience. If you can't figure it out after he said replace check vavle then you probably need the whole video.