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John Deere Gator water in the oil
Can you physically see water in the oil, or is there milky deposits on the valve covers etc? Condensation forms normally inside an engine and normal engine heat usually takes care of it. But if the engine doesn't get up to operating temperature on a regular basis, the condensation builds up and causes milky deposits. Obviously it has to be that in an air cooled motor. Certainly no one is going to pour water into an air cooled motor. Deere has bulletins out on the problem, they say the motors have to be run hot to get the moisture out of them. Short trips and light use evidently is not good for them. I have an XUV and have the radiator almost completely blocked off but neither the red light nor the fan ever comes on. Too much cooling system. It's hard to get it up to operating temp to get the heater to work.
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John Deere Gator water in the oil
There were, I believe, three bullitens. I don't have them because I got a virus in my computer and had to junk it, so I lost all my prior emails. They all boiled down to condensation, not getting the motor hot enough to burn it off. If you think about it, you are getting water in the oil and you aren't dumping it in there the motor must be making it. The only way a motor can make it is condensation. At least an air cooled motor. I'm sure different conditions ( heat, humidity, driving habits, etc. ) are going to govern how much is in the motor, but I believe it's in every motor. Think about an air cooled motor, It is designed to cool itself under the harshest conditions, right from the moment you start it up, which means it would take a long time to get the head and jug hot. It's not like it has a thermostat in the air flow. So if you have a big temperature difference in the motor, condensation is going to form, and if you don't run it long enough to create heat throughout the motor it won't burn off. If I had your Gator I would block off, or partially block off, the air outlet beside the jug and see if you notice a difference in the water build up, I bet you will. I think that different motor oils have an effect on the amount present too, but I can't tell you which oils are better.
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John Deere Gator water in the oil
Maybe an easier way is start taping up the flywheel screen and limit the intake.
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