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1650 D rising oil level

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Pete

06-18-2003 05:42:22




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I have a 1650 diesel that the oil level is rising in. I got this tractor last fall and have only put a couple of hours on it. It runs great otherwise. I asked arround and was told it was either the external fuel pump or the injector pump. I replaced the fuel pump and there has been no improvement. Is this definately the injector pump then? Anybody know what that will cost to rebuild? Also is removing and reinstalling it something I would have good luck with or should I haul it to someone else to fool with. I am a fair mechanic but know almost nothing about diesel engines. Thanks, Pete

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Larry from MD

06-18-2003 09:36:04




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 Re: 1650 D rising oil level in reply to Pete, 06-18-2003 05:42:22  
I would do some more testing before removeing the injector pump,thats a big job that can get expencive.You could remove the energy cells from the other side of the engine and if one of them is real wet inside then that injector should be worked on first to see if its leaking or not fireing.A stuck valve will make the oil leval rise.If you need to remove the pump it needs to be done right.get a manuel that tells how or get someone who knows how.The 2 seals on the shaft could be bad or the return line or restricter on top of the pump could be plugged causeing too much preasure in the pump.

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Myron KY

06-18-2003 06:11:22




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 Re: 1650 D rising oil level in reply to Pete, 06-18-2003 05:42:22  
Is the coolant level in the radiator dropping proportionally to the oil level increase? It could be coolant instead of fuel.



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Pete

06-18-2003 18:24:44




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 Re: Re: 1650 D rising oil level in reply to Myron KY, 06-18-2003 06:11:22  
The coolant level seems to be holding steady
Pete



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Ollie

06-18-2003 09:17:32




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 Re: Re: 1650 D rising oil level in reply to Myron KY, 06-18-2003 06:11:22  
If it's a fuel related leak, the oil will smell like diesel. If not, I'd drain a quart of oil from a cold engine and let it sit in a glass or clear plastic container overnight. Oil floats on water and if there's coolant in the oil, it will be very obvious. In any case, it needs to be fixed pronto as diesel and coolant are very hard on bearings.



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J. Schwiebert

06-18-2003 09:26:19




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 Re: Re: Re: 1650 D rising oil level in reply to Ollie, 06-18-2003 09:17:32  
If it is the injection pump most likely it is the two U-cup seals that are designed to keep fuel in the pump and oil in the engine ant not the pump itself.These are on the pump driveshaft and not too bad to change. There are also 2 different 1650 engines. Direct Injection and the ones with the Lanova head. Do you see a lot of white smoke when you start it? You did not say how fast this fuel level increases. What do you do with the tractor? We had a customer that had this trouble in the winter and it was caused by a poor thermostat and fuel dilution.

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Pete

06-18-2003 18:36:16




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 Re: Re: Re: Re: 1650 D rising oil level in reply to J. Schwiebert, 06-18-2003 09:26:19  
I use this tractor for haying mostly. I do see some white smoke when I start it but I am not sure I would call it a lot. This is my first diesel tractor so I am unsure about what is normal. I would say that the oil level has risen about half an inch on the dipstick in about 2 or 3 hours.
Pete



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J. Schwiebert

06-19-2003 09:06:07




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 Re: Re: Re: Re: Re: 1650 D rising oil level in reply to Pete, 06-18-2003 18:36:16  
Let us figure out first if you have the old style engine or the later direct injection engine. Check the serial number and also in case someone swapped engines, how many nuts do you have to take off to remove either the exhaust or the intake manifold. I wonder if you have a defective fuel injector.



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Larry from MD

06-19-2003 04:43:28




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 Re: Re: Re: Re: Re: 1650 D rising oil level in reply to Pete, 06-18-2003 18:36:16  
If it where the pump seals you would have a much larger leak.A stuck valve will normally add .5 inch in a half hour.I would still check the energy cells first if you have them.



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Don-WI

06-18-2003 19:43:04




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 Re: Re: Re: Re: Re: 1650 D rising oil level in reply to Pete, 06-18-2003 18:36:16  
That's a pretty serious leak, wouldn't run it till it's fixed. It could also be a warped head, or the o-rings on the bottom of the sleeves, but those start getting really expensive.
Donovan from Wisconsin



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