I picked up a Kodiak 400, Lots of power, but, it is overheating and there oil getting into the water. I found the fan motor was froze up. I can handle that. The oil in the water, is what I need some tips on. Head Gasket? Will stop leak seal a head gasket? Is there a possibility, that if I fix the heating issue, the oil will quit getting in the oil? Thought the heat causing expansion of the head, may be causing it. Thanks!
Oil in water
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Usually when there is a bad head gasket it is water getting into the oil and stop leak won't help it if it is a blown head gasket.
As for what it could be there are a number of different things that can cause it and all the fixes require you to pull the engine. But be prepared for a lot of money going back into it for a new piston, rings and even possibly a cylinder jug. You would be better off trying to find a good used engine.
As for what it could be there are a number of different things that can cause it and all the fixes require you to pull the engine. But be prepared for a lot of money going back into it for a new piston, rings and even possibly a cylinder jug. You would be better off trying to find a good used engine.
My water is not getting into the oil. It is oil getting into the water. I don't see anything being wrong with piston/jug, etc, because the unit runs too good and has too much power. Let me define that, there is something dirty in the carburetor, because it does not idle real good, without partial choke, but once you apply throttle, it is fine, smooth and powerful. The 4 wheeler has been sitting up in a garage, and has not run is probably close to a year. The gas was putrid. I drained in and added new gas with SeaFoam.
It had the oil in the water, when I got it. Quite a bit of oil. Oil in crankcase is clean. The atv runs on high speed great. Have to have the choke partially closed, at an idle. I'm hoping the seafoam will do the carburetor. Going to try to clean up the cooling system with Dawn and water, before I do anything. Someone may have tried to add oil to the overflow tank, for all I know.
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Did you ever figure out this issue? I just bought a kodiak and it is doing the exact same thing
19 Kodiak SE, Backcountry Blue, 27” Reptiles, 1” wheel spacers, 20* weights, shims, purple spring
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That water pump idea is the most likely. The oil system likely runs around 40 psi. And the Coolant system likely around 15 psi. Somehow head gaskets usually let water into the oil, followed by water into the combustion chamber. But anything is possible.
What years are these machines?
What years are these machines?
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My machine is a 2000
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