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1936 John Deere Unstyled A, running hot ?


 
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RON ALBART
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PostPosted: Fri Nov 08, 2019 5:34 am    Post subject: 1936 John Deere Unstyled A, running hot ? Reply to specific post Reply with quote

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
 
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r.w.b.
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PostPosted: Fri Nov 08, 2019 5:37 am    Post subject: Re: 1936 John Deere Unstyled A, running hot ? Reply to specific post Reply with quote

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
 
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Lon in NE
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PostPosted: Fri Nov 08, 2019 6:06 am    Post subject: Re: 1936 John Deere Unstyled A, running hot ? Reply to specific post Reply with quote

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.
 
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Mike M
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PostPosted: Fri Nov 08, 2019 6:24 am    Post subject: Re: 1936 John Deere Unstyled A, running hot ? Reply to specific post Reply with quote

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.
 
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MSD
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PostPosted: Fri Nov 08, 2019 7:01 am    Post subject: Re: 1936 John Deere Unstyled A, running hot ? Reply to specific post Reply with quote

Could be timing is off or your running lean in the carb.
 
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greenmech
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PostPosted: Fri Nov 08, 2019 7:31 am    Post subject: Re: 1936 John Deere Unstyled A, running hot ? Reply to specific post Reply with quote

I agree with lon, it has to be mixed or you over heat. Ron MN
 
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David G
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PostPosted: Fri Nov 08, 2019 7:38 am    Post subject: Re: 1936 John Deere Unstyled A, running hot ? Reply to specific post Reply with quote

I would agree with others on mixing.

Pretty simple systems.
 
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Mike(NEOhio)
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PostPosted: Fri Nov 08, 2019 8:05 am    Post subject: Re: 1936 John Deere Unstyled A, running hot ? Reply to specific post Reply with quote

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.
 
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RON ALBART
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PostPosted: Fri Nov 08, 2019 1:49 pm    Post subject: Re: 1936 John Deere Unstyled A, running hot ? Reply to specific post Reply with quote

CVPost-Mike(NEOhio) wrote:
(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.


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?

 
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