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Tractor Talk Discussion Forum

2440 making oil??????

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Denny One

06-11-2014 06:15:20
75.87.198.114



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Looking for some help here guys. I have a JD 2440 that seems to be making oil. When I changed to oil it was about a quart high and smelled of diesel.

I know one of the first places to look is the injection pump (stanodyne) but I had it rebuild less than a hundred hours ago. Should I be looking at the fuel pump or others places? The tractor runs and starts fine and almost no smoke. How can I isolate the problem rather than throwing parts at it? THANKS for your help!

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JWalker

06-11-2014 16:23:58
72.52.96.18



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 Re: 2440 making oil?????? in reply to Denny One, 06-11-2014 06:15:20  
I have had the same problem in the past on a 2040. Check/change transfer pump. It worked for me, that was 10 years ago and no problems since.



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DeltaRed

06-11-2014 06:38:33
65.100.146.82



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 Re: 2440 making oil?????? in reply to Denny One, 06-11-2014 06:15:20  
Sorry to tell you that your new pump is the culprit.Shaft seal has failed.It may have been damaged during installation.



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jdemaris

06-11-2014 06:37:42
70.195.146.111



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 Re: 2440 making oil?????? in reply to Denny One, 06-11-2014 06:15:20  
My bet would be the injection pump. Being recently rebuilt has nothing to do with it. It's a matter of flipping or cutting one of the umbrella shaft-seals when putting the pump back on. VERY easy to do - even when an experienced Deere mechanic does the job.



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CAS

06-11-2014 07:25:39
67.240.133.144



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 Re: 2440 making oil?????? in reply to jdemaris, 06-11-2014 06:37:42  
I am putting my money in John's post.



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Tx Jim

06-11-2014 08:42:54
69.35.160.118



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 Re: 2440 making oil?????? in reply to CAS, 06-11-2014 07:25:39  
I'd recommend checking transfer pump for leakage before pulling inj pump!!!!!!!!



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jdemaris

06-11-2014 09:59:53
70.195.146.111



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 Re: 2440 making oil?????? in reply to Tx Jim, 06-11-2014 08:42:54  
Depends on when the problem started. The fact that the pump was recently changed is a BIG reason to suspect the shaft-seals. Otherwise - it would be a crap-shoot.



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Tx Jim

06-11-2014 10:08:15
69.35.160.188



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 Re: 2440 making oil?????? in reply to jdemaris, 06-11-2014 09:59:53  
Quoting Removed, click Modern View to see

I agree but checking transfer pump is way less time consuming than checking cup seals on an inj pump.



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David G

06-11-2014 06:35:01
205.215.206.18



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 Re: 2440 making oil?????? in reply to Denny One, 06-11-2014 06:15:20  
I would suspect a lift pump.



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