185 anti freeze

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   my allis 185 has been drinking some anti freeze, i pre heat it with a tank heater for anything from 1 to 4 hours before starting, then run about an hour to feed hay daily, located west central wisconsin.  seems like something in the range of a quart daily. any ideas, oil is black not milky, don't see any change  in color of exhaust, and can't see any leaks?  

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tractorman Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 22 Sep 2009 Location: west central wi Points: 1046	Post Options Post Reply Quote tractorman Report Post Thanks(0) Quote Reply Topic: 185 anti freeze Posted: 22 Feb 2010 at 6:29pm
	my allis 185 has been drinking some anti freeze, i pre heat it with a tank heater for anything from 1 to 4 hours before starting, then run about an hour to feed hay daily, located west central wisconsin. seems like something in the range of a quart daily. any ideas, oil is black not milky, don't see any change in color of exhaust, and can't see any leaks?

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Larry B Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 11 Sep 2009 Location: charter oak Ia Points: 386	Post Options Post Reply Quote Larry B Report Post Thanks(0) Quote Reply Posted: 22 Feb 2010 at 6:58pm
	the best way to make sure its not getting in the oil is to take oil drain plug loose before starting it after it has set over night. then you can tell if the antifreeze is in the oil. because thats what will come out first.

Pete from IL Members Profile Send Private Message Find Members Posts Add to Buddy List Silver Level Joined: 29 Dec 2009 Location: Beecher IL. Points: 311	Post Options Post Reply Quote Pete from IL Report Post Thanks(0) Quote Reply Posted: 22 Feb 2010 at 7:01pm
	I had the same problem with my 190 XT. I bought a hand pump to pressurize the cooling system. I had 2 external leaks that could not be seen with normal use. I think one leak was on a heater hose and one was on the oil cooler hose clamps. ( I'm not sure if a 185 has an oil cooler.)

Hurst Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 11 Sep 2009 Location: Midway, Ky Points: 1212	Post Options Post Reply Quote Hurst Report Post Thanks(0) Quote Reply Posted: 22 Feb 2010 at 7:24pm
	Also, send off an oil sample to an analysis lab. It will show up with high levels of Potassium and Sodium (I think those are it, may have my chemicals wrong...) if it's burning antifreeze. My 7000 was doing this before it really let go and got water in the oil. Led me to overhaul the entire engine as the wear metals were pretty bad and things were looking wore out inside. Note, the overhaul wasn't because of the water, just the first time I opened up the top and bottom end of the engine and saw how tired she was. I'm not sure if the 185 has them, but if it does, check the injector copper sleeves. That was the culprit on my 7000. Hurst
	1979 Allis Chalmers 7000 5800 Hours