Help Needed with Anti-Freeze

Farmall Super A, AV, 100, 130, & 140 1939 - 1973

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w30bob
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Help Needed with Anti-Freeze

Postby w30bob » Sat Nov 10, 2018 5:46 pm

Hi Guys,

HELP! Temps are supposed to get to 32F tonight, so I had to get the water out of the 140 and get some anti-freeze in there. As is my luck both drain plugs, the one on the block and the one on the lower radiator hose 90 degree thingy were rounded off and not budging. I didn't try the Vise Grips, as that's usually my very last resort and usually makes things worse. Every so often they actually work, but I wasn't in the mood to be cussing all night, so I left those two drain plugs be for now. I pulled the radiator and took off the lower hose. Straight water came out, as I expected from what the hydrometer told me. I then pulled the thermostat and flushed the engine with water from the garden hose until it came out clear and not rusty reddish. Then I made a rubber cork with a hole in it to put in the thermostat housing hole and pressurized the cooling system with air from my compressor. I did this until only air was coming out from the lower radiator hose. Hoping I got most of the straight water out the only thing I could do then was put in straight Prestone and hope if there's still some straight water in the block it will mix with the Prestone. She took almost the full gallon of Prestone before it started coming out the bottom of the 90 degree thingy. So.........am I protected from freezing tonight or are there still areas of plain water in the block that won't see any Prestone? Also, how about some ideas for removing old cast iron drain plugs that have been in place for 48 years and have their square corners rounded off?

thanks,
bob

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Re: Help Needed with Anti-Freeze

Postby Jim Becker » Sun Nov 11, 2018 1:04 am

Just dumping in the new antifreeze will not mix the coolant. You need to run the engine until it is warmed up enough for the water pump to circulate the coolant for a while.

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Re: Help Needed with Anti-Freeze

Postby ricky racer » Sun Nov 11, 2018 5:54 am

Jim Becker wrote:Just dumping in the new antifreeze will not mix the coolant. You need to run the engine until it is warmed up enough for the water pump to circulate the coolant for a while.

:Dito:
Try a pipe wrench on the rounded plugs. A little heat might not hurt either.
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Re: Help Needed with Anti-Freeze

Postby staninlowerAL » Sun Nov 11, 2018 2:51 pm

Try searching topic "radiator plug removal". Here's one post on the topic by Arthur Luke: viewtopic.php?f=1&t=62554&p=512169&hilit=radiator+plug+removal#p512169

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Re: Help Needed with Anti-Freeze

Postby jdeere86 » Mon Nov 12, 2018 7:24 am

I also have a 140 that has a rounded off plug on the block. Without getting that plug out is there anyway to flush the block out? Thank you

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Re: Help Needed with Anti-Freeze

Postby AL Farmall Boy » Wed Nov 14, 2018 2:34 pm

jdeere86 wrote:I also have a 140 that has a rounded off plug on the block. Without getting that plug out is there anyway to flush the block out? Thank you

try welding a nut to the rounded portion and then heat the block (or run tractor to heat) to remove it. The lower radiator hose cast iron extension should also have a plug to remove......or just remove the lower hose.
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Re: Help Needed with Anti-Freeze

Postby Duner » Wed Nov 14, 2018 9:59 pm

I would try a small high quality pipe wrench. Pipe wrench will grip better than vice grip.

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Re: Help Needed with Anti-Freeze

Postby AL Farmall Boy » Thu Nov 15, 2018 8:41 am

Duner wrote:I would try a small high quality pipe wrench. Pipe wrench will grip better than vice grip.
Agreed. I should have said try this before anything. I assumed it was rounded/coned to the point of that not being an option.
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Re: Help Needed with Anti-Freeze

Postby w30bob » Thu Nov 15, 2018 7:34 pm

Hi guys,

The plug on the side of the block isn't rounded much.....so I ordered a set of pipe plug sockets that should be here on Saturday. It's been raining too hard to work on it, but if that don't work I'll try the pipe wrench. I'm always hesitant to put heat anywhere near a cast iron block, but apparently that works. For the other plug I'll pull that cast elbow, put it in the vise and use the pipe plug socket. I've read that folks recommend putting brass plugs back, but I think I'll put new steel plugs back, but make sure to lubricate the threads well. I think a stuck brass plug will round off even easier than a steel one.

Regards,
Bob


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