Quote:
Originally Posted by Doc Brown
If the crank case was full up to the cylinder sealing surface it is not a problem. As long as the bearings were submerged no air was there. No air, no corrosion.
Now that the crank case has been drained it is time to worry. I'd say to fill the crank case with a light oil would help, right?
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I would flush with diesel fuel and then atf.
There is water in the coolant, and water contains oxygen, so that is all that is needed for corrosion of ferrous metals..
If you notice any abnormal vibration or noise from the motor after buttoning it back up, I would split the cases and replace the main bearings.