Radiator flush in 80s model ford

   / Radiator flush in 80s model ford #1  

Brady D

Silver Member
Joined
Oct 29, 2021
Messages
215
Location
Southern Middle Tennessee
Tractor
Ford 1910, Case farmall 95, John Deere 317g
Is it safe to put radiator flush liquid to flush my radiator or will it cause problems
 
   / Radiator flush in 80s model ford #4  
What’s your definition of “very warm”? Does the tractor have a working temperature gauge?
 
   / Radiator flush in 80s model ford #5  
Does it get warm enough to blow water out? Does it have a new cap correct pressure?
 
   / Radiator flush in 80s model ford #6  
Those Fords are nice basic tractors. Hard to beat in the size.

I periodically use a garden hose, dish soap, and a soft brush to clean outside of the radiator fins from the fan side forward. That always makes a difference in cooling that I can see on the gauge. Another thing is making sure that I am using 50/50 ethylene glycol and water instead of 100% ethylene glycol. 50/50 has much better heat transfer. If those don't work I take the thermostat out and check it in a pan of hot water with a candy thermometer to see if it opens at the temperature stamped on it.

And yes, if none of those keep the temperature down then I will use a radiator flush if I'm deaing with an older style copper or brass radiator from roughly the 1990s or before. Not with aluminum or plastic radiators. But I only do it with half the concentration of flush for half the time they recommend.....and purge the sytem with a garden hose for twice as long as they say.
enjoy,
rScotty
 
   / Radiator flush in 80s model ford #7  
I flushed out one that had been neglected and I suspect had never been serviced and it took me flushing it 3 times to get it clean to my satisfaction, each time it looked a little better, I have done on several old 70-80's model trucks that I have owned thru the years and never had a problem,I wouldn't hesitate to start there if I was having an overheating problem if I had already cleaned or blew out the radiator fins to make sure I was getting air flow, usually a good external cleaning of the radiator combined with flushing it out will either solve your overheating problem or let you move on to thermostat or water pump impellar etc, you aren't gonna hurt it.
 
   / Radiator flush in 80s model ford
  • Thread Starter
#8  
I flushed out one that had been neglected and I suspect had never been serviced and it took me flushing it 3 times to get it clean to my satisfaction, each time it looked a little better, I have done on several old 70-80's model trucks that I have owned thru the years and never had a problem,I wouldn't hesitate to start there if I was having an overheating problem if I had already cleaned or blew out the radiator fins to make sure I was getting air flow, usually a good external cleaning of the radiator combined with flushing it out will either solve your overheating problem or let you move on to thermostat or water pump impellar etc, you aren't gonna hurt it.
I figured it would be worth a try
 
   / Radiator flush in 80s model ford
  • Thread Starter
#9  
Those Fords are nice basic tractors. Hard to beat in the size.

I periodically use a garden hose, dish soap, and a soft brush to clean outside of the radiator fins from the fan side forward. That always makes a difference in cooling that I can see on the gauge. Another thing is making sure that I am using 50/50 ethylene glycol and water instead of 100% ethylene glycol. 50/50 has much better heat transfer. If those don't work I take the thermostat out and check it in a pan of hot water with a candy thermometer to see if it opens at the temperature stamped on it.

And yes, if none of those keep the temperature down then I will use a radiator flush if I'm deaing with an older style copper or brass radiator from roughly the 1990s or before. Not with aluminum or plastic radiators. But I only do it with half the concentration of flush for half the time they recommend.....and purge the sytem with a garden hose for twice as long as they say.
enjoy,
rScotty
Thanks for the advice
 
 
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