I want to thank you all for your input. A mechanic that has worked with similar systems suggested that it was quite possible that if the ECU malfunctioned it could allow the injector pump to over-pressure and fail and damage the injectors simultaneously. This would be especially true if the engine was operating at higher RPMs when the ECU went sideways. I would welcome any reflections or comments from you guys.
Kubota L6060 Engine failure
- Thread starter AKForest
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AlaskaL3130
Bronze Member
Where are you located? Who is your dealer?
Cahaba Valley Farm
Veteran Member
You never answered my first question. How does this amount to $10,000 in repairs?
Like Tractors
Silver Member
The common rail injection system will not over pressure due to a computer failure, the rail has a mechanical relief valve, once that valve breaks over, the injection pump can not pump enough fuel to over pressure the system. That type of fail safe has been used on common rail diesels since their inception in the on highway market since around 2001, it is used for off highway engines also. I suggest that someone start measuring fuel system pressures and flows, not handy to do but the real diagnostician knows how to perform such tasks. Parts replacement diagnosis is for the hammer mechanics out there.
I can't comment on the mechanical issues here but the ongoing issue of dealers replacing parts on the customer's dime as a diagnostic tool is something that as a practice needs to end. I've been over that a few times with car repair and got to the point of having to threaten legal action against a dealer due to their inability to diagnose a problem. From that point forward I refused future repairs unless the dealer guarantees a fix or refund of repairs that don't fix the problem. If I'm paying $170/hr labor rate I expect expertise to diagnose and repair on the first attempt. Anything beyond that is a problem and I'm not afraid to exercise my rights as a consumer.
In one case a dealer failed to repair my car after two unsuccessful attempts totaling about $2,000 and wanted third shot at it for $4,500 more. I told them to take the parts out and return the car to me in the condition I brought it to them. I told them to eat the labor cost on the first two repairs as a lesson on how they need to hold their technicians to higher standards when customers are paying. They called back and told me they'd do the $4500 repair for free.
In your case, were either the injector pump or ECU bad? If not I'm guessing you'd rather have your $6,000 than two new parts that didn't need to be replaced.
In one case a dealer failed to repair my car after two unsuccessful attempts totaling about $2,000 and wanted third shot at it for $4,500 more. I told them to take the parts out and return the car to me in the condition I brought it to them. I told them to eat the labor cost on the first two repairs as a lesson on how they need to hold their technicians to higher standards when customers are paying. They called back and told me they'd do the $4500 repair for free.
In your case, were either the injector pump or ECU bad? If not I'm guessing you'd rather have your $6,000 than two new parts that didn't need to be replaced.
ruffdog
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I totally agree! :thumbsup:
Cahaba Valley Farm
Veteran Member
100% Agree :thumbsup:
In reply to Alaska3130, my dealer is ESI in Fairbanks which, as you know, is 260 miles from my home in Talkeetna. I did not take it to Anchorage, only 150 miles away, and the nearest dealer, because they could not work on it until February. It stopped running December 17. In reply to several other comments, I really do believe that the mechanics at the dealership are doing good work. They have been in contact and following the directions of Kubota Corporation, right from the start. Kubota Corporation should be giving the dealership sound advice that is in the best interest of one of their customers. This type of failure and the costs that have accumulated does not speak well for Kubota. I have been in direct contact with Kubota Corporation. I am hoping that they take action to make this good. If they do, I will post accordingly. I imagine that many of you do as I did and read postings on Tractorbynet as well as other forums before making equipment purchases. None of us want to face repair costs like this.
Cahaba Valley Farm
Veteran Member
Yes you stated that in your first post but how much of that $10,000 is labor versus parts?
