Question about Karcher 2500 PSI Pressure Washer

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Pressure washer that leaks oil through the air breather

I have a karcher 2400 hh pressure washer that leaks oil through the air breather. Unfortunately, I started the engine prior to turning the water on. What would cause this oil leak?

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Most likely your air filter is plugged or dirty, or the crank case vent valve needs to be cleaned.if it still does it check that the oil level is at the full mark, if overfilled it would cause the same problem.

Posted on Jun 22, 2009

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Posted on Jan 02, 2017

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I have a K2400 HH pressure washer. When I started using the machine this year, the pressure would last for a moment or two than quit. When I would shut off the pressure and wait a few minutes and start...


sounds like a weak or worn out unloader valve spring.



MODEL DESCRIPTION PRICE SN-060-216 Pressure SpringKarcher/53323910 $5.90cart.gif


You can find parts online through Karcher or Ebay if you wish.

I hope this helps!

Feb 23, 2011 | Karcher Garden

1 Answer

Karcher 2400 psi with honda motor started up big puff of white smoke from exaust it shut off noiw wont start whats going on


I have a john deere 3000psi pressure washer with similar problem. Running fine then a puff of smoke and it shut down. I checked the oil and found it full of water. Not only that but since I still had the water turned on, the water was flowing out of the dip stick tube. I'm trying to find a solution online and will pass any information on.

Nov 13, 2010 | Karcher 2500 PSI Pressure Washer

1 Answer

Oil goes towards the air cleaner in my water pressure. what is wrong?


It is normal for a small amount of oil (usually a smokey vapor) to pass from the crankcase breather into the air filter. However, if your having an excessive amount of oil then the the stem seals on the valves have hardened and it is allowing oil to pass along the valve stem through the valve guide through the breather and into the air filter. The remedy is to replace the stem seals under the valve springs inside the cylinder head.

One other thing that will do it is if someone overfilled the engine crankcase with oil. This will cause massive amounts of oil to be pumped into the air filter.

Thanks for using FixYa.

Kelly

May 03, 2010 | Karcher 2500 PSI Pressure Washer

1 Answer

No pressure / Karcher G 2400 HH


Hi ruthkapres:
Here is a diagram. The unloader/spill valve is #12 on page D2 or F2 depending on your model. You must pull it out, inspect the o-rings for dents or tears and make sure the valve is lubricated with a good water proof lubricant.

Jul 14, 2009 | Karcher G3025OH Pressure Washer

1 Answer

Need help getting to an cleaning stuck unloader valve on a Karcher G 2400 HH Pressure washer. Thanks


The cart body makes this process a little confining but it can be carried out without removing the pump from the motor.

Diagram courtesy of: pressureparts.gif


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  1. Refer to assembly 9 in the diagram. Remove the splash cup by working the push-on nut off the top of the cup.
  2. Remove two Torx fasteners (13) and twist the nylon valve retainer gently while pulling up to remove it. Be aware of the small parts under the retainer.
  3. The objective is to get the valve (12) out of the bore (A). Connect the hose and wand to the pump, make sure the wand valve is closed. Connect the water supply to the pump and turn on the water flow.
  4. Place a shop towel over the valve bore and with the throttle in the off position, pull the start cord briskly several times to see if enough pressure builds to pop the valve out of the bore. If not, set the throttle to low and start the engine. Unless the valve bore is really corroded, this should pop the valve out.
  5. If this process fails, you may have to unmount the pump and employ a more brutal approach that will likely require a new valve.
I have worked on my washer for the last 2-3 years to keep it going but I've opted to replace the pump this year. My replacement is an "AR RMV2G25D" (~$170) .

Jun 03, 2009 | Honda Karcher G2400HH-R Pressure Washer

1 Answer

Karcher Power Washer that surges up and down with water pressure.


Before you start it up:
1. Disconnect the high pressure hose 2. Connect the water supply and turn on 3. Make sure water is flowing through the pump
Start the motor, run for about 10 seconds and then turn off.
Turn off the water supply, connect the high pressure hose, turn water back on, start the motor and away you go.

May 29, 2009 | Karcher 2500 PSI Pressure Washer

2 Answers

Karcher pressure washer leaking oil


Usually electric pressure washers only have oil on the pump, so its very likely that you will find the problem there. I'd say check all the pump seals and if that doesnt solve the problem, you can check to see if all bolts are tight when you close the pump back.
If by any chance you are looking for a new machine and/or parts for your machine, log in to www.roncoshop.com where you will be able to find pretty much anything for your preassure washer.

Apr 07, 2008 | Karcher 2500 PSI Pressure Washer

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