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Tractor Repair/5140 case-international

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Question
i have 5140 tractor, in cold weather, will run for a little while, loses power and dies, loses bleed in the injectors, filters have fuel no air, but injectors have air. i can restart tractor by bleeding the injectors, it will start right up run good for a few minitutes and lose power and die.  have drained tank, changed filters, blew intake and return lines out.

Answer
Norman, somewhere along the line, you are getting air in your fuel system....my guess is going to be your injector pump...check it first. And,check your fuel pressure on the output side of the pump. It will be fluctuating if the pump is bad. But I would say there's a bad seal in there.

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Taylor

Expertise

I can answer most questions about tractor repair and implement repair. I have 35 years experience in ranching/farming, and have worked on a variety of tractors and implements, from light to heavy. I do all my own mechanical work.

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I have been in the ranching/farming field for 35+ years and have used MANY different types of equipment

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I have an M.Sc. in Physics.

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