Milky Oil In My Pressure Washer Pump

The oil is frothy and milky.

Milky oil in my pressure washer pump.

15w40 pump oil 80138. Always use oil specifically designed for pressure washer pumps. But how does water even enter into the pressure washer. Change your pump oil if it looks milky changes color or has visible particles.

Not knowing what had caused pressurized pump water to enter the crankcase i replaced the 498983 engine sump and 692232 crankcase gasket. Simpson pressure washer accessory. As i was putting the pump back together i noticed one of the piston return springs in kit. Well yes almost 70 of the time its water that s entering and making the oil turn milky.

My guess it s 5 10 years old. The pump is what moves the water through the washer. Never overfill the pump with oil which could lead to leaks caused by damaged seals. It has an 11hp honda engine.

I am attempting a repair of my sears craftsman 580767202 pressure washer. Over time the amount of water increases and so the oil goes. Get shopping advice from experts friends and the community. If you are having problems with your pressure washer s pump there are a couple of things you should check before you take the pressure washer to a technician or a service shop.

It is necessary that you change your pressure washer oil as it will prevent you from having to spend money on a burnt out pump. And are there other reasons too. See photo and product details here. Good pressure washer pump oil is non detergent non foaming and has rust inhibitors.

Next switch off the engine and disconnect the hose. Milky oil is a problem will all pumps. By now you ll already know that water contributes to making pressure washer pump oil milky. I changed the oil in the pump and it gets milky again.

I don t know how old it is. All pumps have a breather and as they get hot the air in them expands out through the breather. Using a wrench. The pump on your pressure washer is one of the most important parts of the unit.

To change your oil you should run your pressure washer for a few minutes to warm the oil inside. The pressure is good but i noticed lately the oil is getting milky. Warm oil flows well and will make drainage easy.