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Farmalldan
12-17-2003 11:12:39
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Re: Farmall C, Blown head gasket and coolant probl in reply to Greg Ziegler, 12-17-2003 08:31:30
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Greg,
Anytime you develop a leak that permits coolant to enter the combustion chamber, it will most likely find its way into the oil pan. Had an H when I was a kid that developed a crack in the combustion chamber during cotton cultivating season. Every morning, we cracked the oil pan drain plug and allowed the water to drain out. Then we topped the radiator off and went to the field. We were using straight water, so we had no antifreeze damage issues. Made the season and replaced the head. As for the plugged coolant drain, this drain is installed in the lower coolant manifold. This manifold is retained by two bolts. Loosen hose connection, remove manifold and clean out drain port. While this is off, rig up a tube on the end of your water hose and run it into the block where the manifold was connected. Wash thoroughly. This will remove a lot of the crud that has accumulated in the block. Also back flush through the water ports in the deck surface to clean the rest of the block as best you can. If it needs it, remove the radiator and flush it from the bottom to the top. Since you don't report overheating, the radiator is probably clean enough. It is an advantage of thermosyphon systems that flow is so low that not much crud is carried into the radiator. Before reassembling, have the head checked for cracks and flatness. Good time to touch up the valves if needed also. Check block for flatness. Clean both surfaces as though you are feeding the minister off them. If your gasket break involved a stud, you might want to remove the studs and run a file over the deck at the stud holes. This will eliminate any puckers pulled in the block around the studs. Reassemble carefully. Use gasket sealant if recommended by gasket manufacturer. Torque in proper sequence. Thoroughly warm engine. Allow it to cool and retorque head in proper sequence. Set valves (again). Oh, if you got antifreeze in crankcase, thoroughly flush with proper procedures. Ethylene glycol used to be the kiss of death for engine bearings. I don't hear much about this anymore, so maybe that problem has been eliminated. Good luck
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