Posted by JustIn Case on January 07, 2019 at 13:16:53 from (192.222.105.6):
I visit these forums pretty much daily and really enjoy all of the knowledge/experience on here. I only post occasionally, not really very much. Here is where I need the help of the widespread knowledge and opinion of this forum. I have several old tractors a VAC Case a TO-20 Ferguson and a couple M Farmalls. I am pretty mechanically inclined and have some pretty talented friends and neighbors to draw on for help too. October 2017 I was at a Farm sale and purchased a International 300 Utility. It had new front tires on new rims,back tires cracked sidewalls but good tread on so-so rims. Tractor was well painted up and started and moved etc. at the sale and it was reasonably priced so I purchased it al well as some accessories like the quick hitch drawbar and the three point arms and real wheel weights. I was thinking that this would be a good machine to replace the well worn TO-20 that is in bad need of overhaul and does not have live hydraulics. Mainly I'm thinking this will be used with a blade on back for snow removal. Well I go to pick it up after the sale and I pull the dipstick, darn, it is above the full mark and milky! So I drain the old milky oil out of it and put in some generic 30wt oil till I can get a closer look at it. I did not change the filter at that time. I hauled it home and only moved it around a little here and there and the oil continued to look "serviceable". Then about December of 2018 (year later) I was going to pull it in the shop and give it a good going over and spend some "bonding time" with it and hopefully get the blade on it. Hmmmm wouldn't start, Once again the oil level is probably 1-1/2 quarts above full. I look in the radiator and the coolant level is about what one would expect to see allowing room for expansion. The best I can recall is I DO NOT remember adding any coolant to it either. So I pull the drain plug and I get a quart or more of what appears to be water, pretty clear and no sign of green. Where is all of this moisture coming from? When I got it there was a soup can on the exhaust stack, when I got it home I immediately put a new rain cap on it. For the life of me I cannot believe that this is rainwater because even if we had 4" of rain you are only going to get 4" of water into the exhaust stack. This would have to happen many times to get a quart or more of water down the exhaust? I'm sure there is some condensation in this machine to as it has been sitting outside, but not over a quart in 3 months time I wouldn't think. When I got it inside I pulled the plugs and found signs of moisture there, plus I could see some of the valves, then when I rolled it on starter I could see that some valves were not moving. So I pull valve cover and find that yes, three valves were stuck, two of which had the push rods out from under the rocker arm. So I get the valves freed up with some Kroil and a few soft hammer taps and then we check the compression and find all four cylinders at 125psi or better. So I'm confident I can get this thing running again and we can pressure the radiator etc. to test for coolant leaks, but I'm not convinced that what it in there was antifreeze based on the lack of color and odor of what I drained out. At this point I have gotten the valves all functioning, cleaned up the spark plugs. I let the oil drain for several days before flushing a little diesel fuel through the system. I put about 4 quts of diesel in it and rolled it on the starter with the filter off to purge the oil pump etc. of water. I have then filled it to the full mark with new oil and I'M going to see what happens. My big question is if you have liquid other than oil in bottom of crankcase will it come out green if antifreeze? If it comes out nearly tapwater clear is it still coming from the cooling system? Thanks for listening to me ramble and I appreciate any and all input on this! Jim
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