Unless the engine is severely and continuously overheated coolant simply won't "evaporate". Rather there's a very small leak somewhere in the system. And likely it's leaking only when the engine is at operating temperature so the cooling system is under pressure.
My wife's '03 Chevy Impala would lose about 12 oz of coolant a month. But I couldn't find a visible leak. Finally after a couple years of adding coolant every couple months it began leaking enough to leave a few drops on the floor of the garage when parked. Turned out a plastic elbow for the heater supply hose connection at the water pump was slowly failing. But it only leaked when the engine was hot - the escaping coolant got blown away rather than dripping onto the floor. Replacing the elbow finally corrected the problem - no leaks since.
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Today's Featured Article - Grain Threshing in the Early 40's - by Jerry D. Coleman. How many of you can sit there and say that you have plowed with a mule? Well I would say not many, but maybe a few. This story is about the day my Grandfather Brown (true name) decided along with my parents to purchase a new Ford tractor. It wasn't really new except to us. The year was about 1967 and my father found a good used Ford 601 tractor to use on the farm instead of "Bob", our old mule. Now my grandfather had had this mule since the mid 40's and he was getting some age on him. S
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1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
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