Oil & Fuel YM2500 Pushing Coolant Out the Radiator

   / YM2500 Pushing Coolant Out the Radiator #1  

Travis_R

Veteran Member
Joined
Jun 10, 2004
Messages
1,539
Location
South Louisiana
Tractor
'98 MASSEY FERGUSON 231
What could be wrong with my YM[emoji6][emoji[emoji6][emoji6]][emoji[emoji6][emoji6]]?

At high engine idle, I’m guessing around [emoji6][emoji[emoji6][emoji6]][emoji[emoji6][emoji6]]-[emoji[emoji6][emoji6]][emoji[emoji6][emoji6]][emoji[emoji6][emoji6]] RPMs, it’s boiling coolant out the radiator’s filler neck with the cap on. There is no load on the engine.
Does this tractor have a thermostat? It has the T[emoji[emoji6]][emoji[emoji6][emoji6]] Yanmar diesel engine.

Thank You,

Travis
 
   / YM2500 Pushing Coolant Out the Radiator #2  
Have no idea what you posted. You will need to use a different browser to post. Those strange things took over.
 
   / YM2500 Pushing Coolant Out the Radiator #3  
Head gasket! or Hopefully dirty Radiator. Have your Mechanic Pressure Check the radiator and see if it is getting pressured up!. Should be around 15 PSI.
 
   / YM2500 Pushing Coolant Out the Radiator
  • Thread Starter
#4  
Head gasket! or Hopefully dirty Radiator. Have your Mechanic Pressure Check the radiator and see if it is getting pressured up!. Should be around 15 PSI.
What should the correct radiator cap PSI be? It has “0.5 PSI” stamped on the cap.
 
   / YM2500 Pushing Coolant Out the Radiator
  • Thread Starter
#5  
Have no idea what you posted. You will need to use a different browser to post. Those strange things took over.
I was using the TractorByNet app on my phone. I deleted it and was going to download it again, but can’t find it in the App Store. Apparently there is no TractorByNet app anymore.
 
   / YM2500 Pushing Coolant Out the Radiator
  • Thread Starter
#6  
Have no idea what you posted. You will need to use a different browser to post. Those strange things took over.
At high idle, 1200-1800 RPMs, my YM2500 is boiling coolant out the radiator’s filler neck, past the cap. It has a 0.5 PSI radiator cap.

What do you recommend?
 
   / YM2500 Pushing Coolant Out the Radiator
  • Thread Starter
#8  
Let’s see if this video will post…
 

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   / YM2500 Pushing Coolant Out the Radiator
  • Thread Starter
#9  
Here is the YouTube link of the coolant in the radiator with the tractor running…
 
   / YM2500 Pushing Coolant Out the Radiator #10  
You can get pressure tester at any local auto store. Some will loan you it. You just need the correct size cap to check the Radiator pressure. Many sizes of caps are in the test kit. It has a gauge that attaches to them so you can see how high the pressure is on the Gauge.
The big Bubble and the water level rises is a good sign of a pressure problem. Also The Rusty / Dirty anti freeze reflects that also. You can flush the Radiator and see if that helps but with the Big pressure rise is the problem. Bad gasket,Warped or crack in the head is why that usually happens.
 

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