If I was the current owner, I would want that tube out, even if there was only a 0.000001% chance of it causing trouble. I think there is a much higher chance of trouble. Let me ask this question: If you bought the machine would you get the tube out before you ran it?...........
Don't get me wrong, I think the tube is stuck somewhere else, but why take a chance.
I completely agree, the tube must go, there would be way to much left to chance if it wasn't removed. You see, by hiring a mechanic I was trying to lower the odds of me having any catastrophic future problems with this machine. I was made well aware yesterday that he doesn't posses a crystal ball and that with a machine of this age anything can happen. To bad Murphy showed up and enforced his law.
Even if the plastic tube gets ground up; the little pieces are going to be more inclined to plug up an oil passage or work their way into areas where they will foul up the works even more.

Scary to even think about that, kinda makes me queasy

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So here is the what if.... What if this piece was caught in the tranny prior to you guys messing with it (clearly something was wrong as the dipstick was a paint to pull out). You crack the tranny, find out it was this way prior to the crack... Who pays for your guy to do the repair?
Omg your sick how do you come with these things!!!

Very good point and with my luck recently, you never know what could happen. I don't even want think about that happening, but If it was the case I would make sure that this machine was brought back to its starting condition. The mechanic would be taken care of, not as much so as if he was called to crack the machine in 1/2, but taken care of nonetheless.
if i was the owner you would be the new owner, step up and pay the guy. i've never heard of taking oil samples, are you a scientist lol.
As you probably know by now oil samples are very common and a good idea to perform. Everything is hinging on the oil samples. If they come back
with good results, I'm the proud new owner of 1983 JD550 dozer, if it comes back bad results I will see to it that the machine is brought back to its original tube free state...........whatever that may entail.
If the mechanic was doing me a faviour (ie: not being paid) then i guess i'd have to eat the costs of the repair. The real question is if you paid the mechanic, that makes things a little different in my eyes. This little repair could turn into $$$ very quickly.
I was paying the mechanic for the tests, but I am not the type of person make him suffer just bc he made a mistake after all we are all human. He will be compensated. He wont make as much as he would normally, but I'll definitely take care of him.