Check your antifreeze

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Xperimental
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Re: Check your antifreeze

Postby Xperimental » Sat Nov 15, 2014 12:02 pm

I drained and put new antifreeze in my Farmall 460D last week. I mixed each gallon 50/50 in gallon containers. When I tested the coolant with more than one tester, it only measured -7. I then drained out a couple gallons and replaced that with straight antifreeze. Now I have it at more than -45, which is the limit of the tester. I am still puzzled about how a 50/50 mixture could measure only -7! I wondered if one of the new gallons of antifreeze was only 50/50 even though they were are marked as 100% antifreeze. I thought I would share this because I could have had freeze damage if I had trusted the 50/50 mix and not tested the coolant.

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Stanton
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Re: Check your antifreeze

Postby Stanton » Sat Nov 15, 2014 2:07 pm

Before surgery, I tested all of them and my '47 was the worse, only down to -10 below zero. My son in law is coming up from Nashville over Thanksgiving week and that will give us some bonding time as I watch him drain and refill with 50/50 mix. All the other tractors were about -25 to -40, which for around midwest MO is sufficient.
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Re: Check your antifreeze

Postby NJ Farmer » Wed Nov 19, 2014 8:38 am

Since my Cub is just for field mowing only I dump all the coolant in the fall so I never worry about this the freeze problem.

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Re: Check your antifreeze

Postby UK-Cub » Wed Nov 19, 2014 8:53 am

Are there not rust inhibitors in antifreeze such that this mix is superior to 'pure' water or a drained system in preventing corrosion?
David

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offrink
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Re: Check your antifreeze

Postby offrink » Wed Nov 19, 2014 8:58 am

If it's dry and clean then there can't be any corrosion. You can do a system cleaning per the manual. Then dry and let set.

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Re: Check your antifreeze

Postby UK-Cub » Wed Nov 19, 2014 10:29 am

Thanks Offrink.

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David
David

1956 Lister D stationary engine
1957 French Cub
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Re: Check your antifreeze

Postby 64/67lo-boy » Wed Nov 19, 2014 10:31 am

This is what can happen if it freezes. I had removed the radiator and left the bolster uncovered. It rained then froze out. Luckly the bolster was going to be replaced too. It had been welded from the PO. Not very thick cating. This was on a 48 cub.


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ricky racer
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Re: Check your antifreeze

Postby ricky racer » Wed Nov 19, 2014 12:09 pm

Super A wrote:While we are on the subject, how much antifreeze should I put in the cats' water bowl to keep it from freezing up?
Al

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Re: Check your antifreeze

Postby John Niekamp » Mon Nov 24, 2014 11:27 pm

Just a reminder, since a cub is like a model T Ford with a thermocycling system there's no water pump therefore it doesn't mix by circulating. Make sure one completely and thouraly mixes the 50/50 mixture before filling the radiator. I've seen a lot of bolsters cracked due to freezing. I often wonder if antifreeze and water ever separates after time, and if so, what goes up and what goes down?

Reason I wonder this, both my Cubs had cracked bolsters, not bad, still had antifreeze in them. When I drained them, the first part came out light green or very diluted antifreeze, but as that radiator drained, the greener the antifreeze was. Who really knows that last time in the past 50 years if it was ever changed, probably just added to. Strike that out, the first part can out was a, nasty sludge, then light green!

Just a, thought!
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bob in CT
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Re: Check your antifreeze

Postby bob in CT » Tue Nov 25, 2014 12:18 pm

If you don't change you coolant often, it is a good idea to add a bottle of corrosion inhibitor. Ethylene glycol itself is an extremely stable compound that does not break down, but the corrosion inhibitors in the new antifreeze do get exhausted as they do their job. PLUS, you get the added benefit of a water pump lube as a bonus. :? can't be too careful. :wink:


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