YT235 down again!

   / YT235 down again! #21  
I agree. On an engine that small I would think it would have to either be missing on one cylinder and/or smoking terribly. Both would be obvious to the operator. I have ran several diesel engines that DID get fuel in the oil through bad injectors and without much visible symptoms but those were engines that burned 150-200 gallons of fuel per day. A quart or so of unburned fuel per day on those engines didn't really add much to the visible exhaust smoke.

The only other way I can see it being an injector is if the fuel tank is positioned above the injector and fuel is somehow gravity feeding through the injector when it is parked.
in that case, THIS is most likely to happen. Hydrolock - Wikipedia
 
   / YT235 down again!
  • Thread Starter
#22  
There is a significant about of smoke at times but not always. They are looking at injectors because Yanmar told them to and it seems to be a last resort since they have been allowing one part at a time since last summer. The dealer wants a new engine but Yanmar won't go there. It is sitting at the dealers again now, waiting on parts. This is the fourth time to the dealer for this problem and each time Yanmar okays one part in a 'try this' attitude. This time there was an inch of diesel that accumulated in the pan over about 20 hours of operation.
 
   / YT235 down again! #23  
There is a significant about of smoke at times but not always. They are looking at injectors because Yanmar told them to and it seems to be a last resort since they have been allowing one part at a time since last summer. The dealer wants a new engine but Yanmar won't go there. It is sitting at the dealers again now, waiting on parts. This is the fourth time to the dealer for this problem and each time Yanmar okays one part in a 'try this' attitude. This time there was an inch of diesel that accumulated in the pan over about 20 hours of operation.
well, that's another make to avoid!.. no proper support..
 
   / YT235 down again! #24  
There is a significant about of smoke at times but not always. They are looking at injectors because Yanmar told them to and it seems to be a last resort since they have been allowing one part at a time since last summer. The dealer wants a new engine but Yanmar won't go there. It is sitting at the dealers again now, waiting on parts. This is the fourth time to the dealer for this problem and each time Yanmar okays one part in a 'try this' attitude. This time there was an inch of diesel that accumulated in the pan over about 20 hours of operation.

deleted
 
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   / YT235 down again!
  • Thread Starter
#25  
It's back in the shop again. I didn't get enough hours on it to see if the previous issue was fixed when a hydraulic line under the tractor burst. It emptied the reservoir in seconds. It seems to be coming from behind the right rear tire. I refilled the reservour and got it on the trailer but it was empty again by the time I drove to the dealership. Luckly, they could see the gallons of fluid on the trailer deck. I got to keep it just over a week this time.
 
   / YT235 down again!
  • Thread Starter
#26  
It has been back at the shop since last Monday. It was taken apart on Thursday and the parts ordered. They will not arrive until about mid-January. So I am guessing about the third week of January before the tractor is usable again. Another Hydraulic line, (a metal one) burst. This is the second one that has ruptured. I actually had a mechanic tell me that I shouldn't fill the loader bucket and drive across a field because if the tractor bounced it would put too much pressure on the hydraulic lines and casue them to burst. For the record that is not what I was doing. So far the tractor has been at the dealer for repairs five times in the pars four months, each taking multiple weeks to fix. That is not counting the parts, like both lift arms on the tree point hitch, that broke and I purchased locally instead of waiting on Yanmar.
 
   / YT235 down again! #27  
I really feel for you. I'd be furious as I'm sure you are. I almost hate to see you post because it's never good news. I hope Yanmar does good by you. Is there such a thing as a lemon law for tractors.???
 
   / YT235 down again!
  • Thread Starter
#28  
I always try to solve an issue without creating another. However, it is getting really hard this time. There is a lemon law. It exempts commercial vehicles but not tractors specifically. The problem is, like most law of this type, it appears to have been written by vehicle makers. The vehicle owner has to have the tractor in the shop four times for the exact same problem. I have had it in the shop three times for diesel in the crankcase and twice for hydraulic failures, not to mention the parts I have purchased and put on myself because I didn't want to wait three weeks for them. Both three-point lift links have failed. I have written Yanmar twice concerning there obligation to produce reliable equipment and requesting they replace the tractor. The dealer seems to be in agreement with me. What is making me furious is Yanmar has not even bothered to reply to either communication. I do post positive things. Unfortunately, this tractor isn't giving me much to work with in that category. I would urge anyone to stay away from this model tractor because of my experiences.
 
   / YT235 down again!
  • Thread Starter
#29  
In what seems like a rather odd attempt to solve the loader issue on my YT235, Yanmar has ordered a light-duty bucket for the loader. The tractor has a standard duty loader bucket now. The concept seems to be a lighter duty, (weight) bucket would allow more load because the bucket would weight less. That seems to me to be somewhat like paying for a Corvette and getting a Chevette. I am waiting on that and the parts to put the hydraulic system back together. I would think there should be a by-pass valve somewhere to protect the system. I had three rhubarb crowns in the loader when the system failed. A wheelbarrow would carry more.
 
   / YT235 down again!
  • Thread Starter
#30  
I know some here are likely growing tired of this thread. However, consider just how POed I am getting. Yep, the piece of Yanmar lasted an entire four days this time. It's head back to the dealer for diesel in the crankcase for the fourth time. Yanmar American seems to be at a loss, the dealer is frustrated and I am angery. At some point Yanmar is going to have to cough up a new engine or tractor. No one willingly pays over $20,000 for a yard oriniment. To the dealers credit, they seem to have solved the loader issues, if the part that keeps failing holds.
 

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