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John Deere Tractors Discussion Forum
Show Parts for Model:

Draining coolant 1936 A

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Ken11487

02-04-2013 20:00:05
64.66.236.28



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My 36 A came to me with permanent antifreeze in it, the red stuff. This would not circulate with the thermosiphon and was replaced with water. The tractor has been parked in a heated shop but now I need the space for a job and want to drain the water out.

I guess they did it in the old days, so do I just drain the main plug, ( actually mine has a ball valve) or is there another place to drain from as well. I want to put it in the shed where it will freeze. I plan to put some kind of antifreeze in it soon but it has to move now. Would cool guard II be the best choice to fill with? Will it circulate with the thermosiphon?

Thx Ken

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Ken11487

02-06-2013 18:02:05
64.66.236.28



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 Re: Draining coolant 1936 A in reply to Ken11487, 02-04-2013 20:00:05  
Pretty sure it is the "use straight from the jug, no mixing" red stuff like we had in a truck at the time. Drained it out ( to use somewhere else) and replaced with water. Runs well now but I think it needs some corrosion protection so I will get some glycol and mix 50/50ish after the muriatic acid flush out.



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Mike M

02-06-2013 08:23:17
24.140.0.120



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 Re: Draining coolant 1936 A in reply to Ken11487, 02-04-2013 20:00:05  
I'd be scared with just water in it, in case the heater died.



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Ken11487

02-05-2013 17:43:41
64.66.236.28



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 Re: Draining coolant 1936 A in reply to Ken11487, 02-04-2013 20:00:05  
Two jobs away is my 4240, due for coolant change. Hmmm.

I made room in my storage area so it won't freeze just yet.

Thanks All



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Mike M

02-05-2013 12:24:07
24.140.0.120



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 Re: Draining coolant 1936 A in reply to Ken11487, 02-04-2013 20:00:05  
It is better off to not leave them empty as then it dries out the gaskets.

This would be a perfect place for some old used but tested freeze safe antifreeze. Fill it up with some old stuff and let it sit. If you don't have any maybe somebody you know does ? They may have some nice looking stuff drained from a sleeved engine for yearly maintenance.



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Mark-Ia

02-05-2013 10:40:08
207.177.117.7



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 Re: Draining coolant 1936 A in reply to Ken11487, 02-04-2013 20:00:05  
Insert a stick or screw driver in the drain hole to make sure no rust has blocked the hole and all the coolant is drained. BTDT!!



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JohnDeereJimOhio

02-05-2013 09:50:05
24.140.54.235



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 Re: Draining coolant 1936 A in reply to Ken11487, 02-04-2013 20:00:05  
Drain it in the plug in the bottom of the block. Then run it a little till it gets warm to evaporate the water...



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Ken11487

02-05-2013 09:10:58
64.66.236.28



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 Re: Draining coolant 1936 A in reply to Ken11487, 02-04-2013 20:00:05  
The tractor runs well. on a thresher it will read 200 to 210 deg after working for 30 min.

i just want to know if all the water will drain out and be safe to freeze with the system empty os i can get on with other work.

It looks like the p.o. refilled with the red stuff after work on the tractor.

I have the recipe for rad cleaner from Caterpillar engines of that era and want to try it. It uses muriatic acid, formaldehyde and 48 parts water. Mix formaldehyde and water first. Operate for there hours, drain and flush.

I think it should work as there won't be any aluminum parts in it.
This post was edited by Ken11487 at 09:12:55 02/05/13.

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Mike M

02-05-2013 05:56:22
24.140.0.120



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 Re: Draining coolant 1936 A in reply to Ken11487, 02-04-2013 20:00:05  
If you drain it and don't refill it then leave the plug out because more will collect in the bottom and if what is in there will freeze then it will freeze and break the bottom off the cyl. head. I'd try and put a piece of screen in there to keep the mice out but let the water still drain.



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wijim

02-05-2013 05:49:29
99.139.205.41



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 Re: Draining coolant 1936 A in reply to Ken11487, 02-04-2013 20:00:05  
There is only one drain plug. Drain it and premix the antifreeze and water before putting it in. If you don"t it will stay seperated and not circulate. Jim



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old

02-04-2013 21:09:17
209.86.226.30



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 Re: Draining coolant 1936 A in reply to Ken11487, 02-04-2013 20:00:05  
Sounds like you may have a real problem. If it has had the green stuff in it and then the red stuff added to the green that can turn into a jell sort of stuff in the system and clog it up real good



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gtx1967jewison

02-06-2013 09:42:16
174.225.134.131



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 Re: Draining coolant 1936 A in reply to old, 02-04-2013 21:09:17  
We mix it all the time, no problems. Any properly MIXED antifreeze will work fine in a thermosyphon system. If it boils over, replace the radiator core, its partially plugged.



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old

02-06-2013 14:40:03
209.86.226.40



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 Re: Draining coolant 1936 A in reply to gtx1967jewison, 02-06-2013 09:42:16  
I have been told by more then one person that if you mix the green and the red antifreeze it can and will clog up a cooling system and cause major over heating problems



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Bob

02-04-2013 20:28:56
64.255.159.192



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 Re: Draining coolant 1936 A in reply to Ken11487, 02-04-2013 20:00:05  
ONE drainplug. A 50:50 (or reasonable mix) of permanent antifreeze and water WILL thermosyphon in a Johnny Popper(at least up here on the tundra). YAMMV!



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