Onan genset, overheat after coolant change
I just did a cooling system drain, flush and refill on my 10KW Onan generator. I followed the procedure in the manual precisely. I was also able to get all of the required 6 guarts of new coolant ba...
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On my 8kw I did like ivy log suggested except that I ran it with the hoses extended out like that to get the air out. It seems like if you got all the water in it should be ok but I got all my water in and still ran hot until I pulled the hoses out. I had my genset out for repairs and replaced some hoses so I blamed it on kinks, but that is a lot of hoses stuffed down into a small space- easy to kink even at the factory.
