Damaged block installing block heater L5240

   / Damaged block installing block heater L5240 #21  
Bondic maybe a solution, depending on how accessible the holes are. I haven't used it, but want to throw it out there as a possible solution to replacing the block or engine. At this point the OP has little to loose from attempting a repair that might work, so long as it isn't a series of failed attempts, which would get old real fast.
I believe, from what I read about Bondic; (related to a plastic radiator gooseneck repair in another thread here on TBN), that it is supposed to 'weld' anything, by using UV light as it's curing method. This might just work if the holes can be filled with the material and then cured with the UV light, after thoroughly cleaning the mating surface, whatever and where ever it turns out to be located behind the freeze plug hole.

To the OP- get us pics if at all possible to help with solution suggestions.:thumbsup:
 
   / Damaged block installing block heater L5240 #22  
The water jacket does not extend below the cylinders so you will have drilled into the cylinder. The question will be are the holes above the piston at bottom dead center. Since you said it was spewing out the exhaust then I think we know the answer. If the engine is stopped with that piston at BTC then you will fill the cylinder with antifreeze and hydro lock your engine causing more damage if you try to start it. You will likely need to tear down the engine to repair that cylinder.
 
   / Damaged block installing block heater L5240 #23  
Seems incredible that you, being careful because you didn't know how much room you had behind the frost plug, would have drilled through a cylinder wall. As others have said, sorry you are in this predicament. We've all done boneheaded things, but it doesn't seem like you were being reckless or careless. Big bummer.

Threading the hole and sealing it with a set screw seems like the option I would vote for. I'm always amazed at the clever folks here on TBN and their willingness to help.

Good luck!
 
   / Damaged block installing block heater L5240 #25  
What are the chances KTAC might cover this? Even though I bought it used, it was from a dealer and the insurance was included. Or would this be considered neglect or misuse?


Just call your insurance company before taking any more steps.

Good luck, Fred
 
   / Damaged block installing block heater L5240 #26  
You need to make sure that the hole does not interfere with the piston. If it does and you put in a screw or weld it the piston will hit the repair.
 
   / Damaged block installing block heater L5240 #27  
If both the crankcase(oil) and the cooling system are showing signs of contamination I am wondering if the block is cracked at the drill site. Sleeving the cylinder might be possible but I think I would be looking for a new short block or used engine if the tractor is worth repairing.
 
   / Damaged block installing block heater L5240 #28  
I'm another one for the drill /tap repair after you explore the extent of the damage
 
   / Damaged block installing block heater L5240 #29  
This hole is at the bottom of the bore?
 
   / Damaged block installing block heater L5240
  • Thread Starter
#30  
We spent Saturday skidding logs with the L3400. I am thankful that I have it. We had to pull the 5240 out of the garage, remove the dozer weights of the 3PH, remove the canopy, and push it to the rear of the garage with the 3400. I drained the oil/antifreeze mixture per the instructions from my uncle. Said I did not want the antifreeze surrounding the crank/bearings if the damage is minor. Dad is still perplexed at how I was able to drill through Cast Iron that easily. I hope he's right and I have drilled through into an oil passage or something.

At this point, I'm ready to move on. I ordered a USB inspection camera yesterday. Should be here by Wednesday. If I can't snake it around the crank to see the damage, the most logical next step is to pull the head.
 

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