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1936 John Deere Unstyled A, running hot ?

R

RON ALBART

Member
John Deere Unstyled A running hot, heat gauge checked ok, replaced with new radiator, no obstructions in water pipes, still running hot, with no load? Temp Gauge 190 D, upper pipe 215 D, lower water pipe 115 D & antifreeze @ 80 D? Any suggestions?Thanks Ron
 
If its not loising water its ok. But have you looked to see if air is flowing? Thermosiphon runs warm.looks like your cooling down almost 100 degrees
 
OK, so you've got antifreeze in it. Did you mix water and the antifreeze together BEFORE adding it to the radiator?? If not, the heavier antifreeze will set in the bottom and stop the thermosiphon process. Solution is to drain the system, stir, and reinstall the mix.
 
Sort of seems normal to me ? How is it with a load ? As long as it does not boil over it should be fine. Also make sure the fan is not on backwards and it is not slipping.
 
(quoted from post at 17:05:09 11/08/19) Is the system full? Along with mixing I'll add that if the coolant is not all the way full it can't circulate. Had that happen on my late A.
Click to expand...

THANKS
Antifreeze/water mixed, radiator full, fan shaft pulling air thru radiator, runs good, all water pipes open from engine block to new radiator.
Checked water gauge, ok.
Possible water not circulating in Block?
Typically A run cool?
mvphoto45029.png
 
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