Question about Mi T M WP-3000-4MHB Pressure Washer

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What oil do i use in the pump? The oil is milky and needs changing.

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Well you can use direct recommended from Ace Hardware see link.

They recommend 250 hours, but i'd change more often, like you said when it's milky. If it begins to get water in the oil sooner, that indicates your piston to crankcase seal is beginning to leak.

Posted on Jul 04, 2010


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If oil in pressure washer is milky colored will it hurt pump to run till oil change

Milky appearance in oil is due to water mixing with the lubricant. An internal seal has failed. Have your pressure washer checked by a small-engine mechanic immediately.

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G2500vh engine problems

Hi Derek.
It is almost impossible for the engine oil to become "milky" under normal circumstances. If you have changed the oil and have used the wrong type, it may become aerated and appear milky. The only other way for water to be added to the sump is through the oil filler. I doubt this is the case as it is a neglect thing and indicates that someone has run the machine without the oil filler caps. Hopefully this is not the case, but as the engine has a low oil level sensor, it might be the reason why it wont start. It's a safety device.
There is no way that the engine oil can be contaminated by water from the pressure pump.
If you mean that the water pump oil is milky, this means that the seals have failed between the pump and the transmission. Difficult to check in a G2500. If this is the case the machine has probably been used beyond the manufacturer's intent and has overheated.

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1 Answer

I have a 2004 dodge intrepid 2.7 today the oil light came on when I open the oil cap I seen milky color so I decided to change oil and it was thin and milky and also drained about 2 gallons from oil drain...

have a coolant system pressure test done as there may be corrosion behind the water pump impellor that is letting water out into the sump. Check all aluminium fittings that connect to the oil system for corrosion

Oct 27, 2013 | Cars & Trucks

1 Answer

The royal star I just got has a milky look to it, the cyclebarn mech. said that it was just condisation(sp) and to run it about 500 miles and change the oil, and filter!!!!

The better thing would be to change the oil and filter now. Why wait to lessen the problem. Yes, it is water that is turning the oil a milky color. The real question is whether the water is just condensation or is it a water leak at the internal water pump. I'll bet this is the first time you ever prayed for condensation. Best wishes. Please rate my answer. Thanks.

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1 Answer

Oil milky white in pump

it may have a slow water leak inside the pump.
change oil and monitor the new oil.
if it goes milky the next time you use it then it has a bad leak and the seals will need to be
replaced,otherwise the bearings will rust & seize

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your water pump seal and oil seal have failed on the water pump shaft. Replace both seals noting which way the seals face. replace the water pump shaft if it is scored. Chaz- Moto DC

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1 Answer

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It should be OK after a few oil changes. I would keep a close eye on the oil to make sure it isn't turning milky or foamy. If it starts knocking, you may have a more serious problem.

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