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MF165 Diesel Leaking Into Motor Oil

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Old Apr 10, 2009 | 11:09 AM
  #11  
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Originally Posted by Whitmore
its injectors dude......................how well does this thing start up after its been settin a spell?
Fires up on the first crank every time even in the winter. Love this old tractor.

Originally Posted by welderboy250
i believe the 65 could have a hydraulic power steering pump on the timing cover but if its the kind im used to it would be empty with about 2 quarts and u wouldnt have power steering and the oil wouldnt get any fuller. as everyone knows with the rotary pump it could be the front seal goin bad. or like the other guys said about the preheat or injectors. but if its fillin up that fast it must have a big hole to enter through, like the front pump seal
I keep thinkin about puttin an auxiliary pump on the front end to run the front loader but right now there's not one there. So far haven't been smart enough or rich enough to work out the details.

Originally Posted by Babyfat
I don't know much about Massey but we had a Kubota that did the same thing and the seal in the hyd pump was bad and pumping hyd oil into the crankcase

John
I do know the seals in the hydraulics are wore out. Funny cause the rear 3 point is weak as hell and it's the primary system. The end loader will still hold plenty of weight in the air even with the tractor off but it's on the axillary hydraulics. Don't make no sense to me, I'd think it would be the other way around. This little tractor moves 1800 pound round bales around on that front end though.
 
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Old Apr 10, 2009 | 07:10 PM
  #12  
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i used my ol 50 ferg this eve plowing and thought about your trouble. i was a while fig out how diesel was getting in my oil but that darn preheat thing.
 
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Old Apr 11, 2009 | 02:50 AM
  #13  
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Thanks all. Been to damn muddy to get out there and look at this yet but as soon as i can I'll check out this pre-heater fuel line and give that a shot. Sure do hope it's somethin this simple.
 
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Old Apr 11, 2009 | 05:53 AM
  #14  
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I've got an old massey 40 and the diaphram went bad in the pick up pump and would put fuel in the base ,this is the second time now so it is going to go electric pick up this time
 
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Old Apr 11, 2009 | 07:58 AM
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Dennis, can you get me a pic of the inj pump??? I think i may know what it is.
 
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Old Apr 11, 2009 | 12:44 PM
  #16  
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Originally Posted by SEA04DMAX
Dennis, can you get me a pic of the inj pump??? I think i may know what it is.
Hey Steve, you bet I can. I'll snap it tonight when I'm out there to feed. I got the hood and side panels all pulled off of it right now so everything is easy to get to and see.
 
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Old May 21, 2009 | 11:06 PM
  #17  
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Little late but it's just now dryin up enough to get things done out there. Hope these pics show what ya needed. If not let me know and I'll get more posted up. Thanks.

MF165 Diesel Leaking Into Motor Oil-mvc-154s.jpg

MF165 Diesel Leaking Into Motor Oil-mvc-155s.jpg
 
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Old May 22, 2009 | 06:46 AM
  #18  
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I'm not familiar with that pump, if you are sure it is fuel..probably the transfer pump. On some rotary inj pumps the front seal goes out and it will fill the crank case with fuel aswell.
 
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Old May 22, 2009 | 06:57 AM
  #19  
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Not sure if it's fuel or hydraulic fluid myself and don't know how I could tell the difference without an oil analysis. They smell and look close enough alike that it would be hard to say.
 
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Old May 22, 2009 | 08:51 PM
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If you pit a drop of engine oil on a napkin , if it has fuel in it it will wick out ward pretty quick.

The powersteering pump that sits below the inj pump has a pretty small res on it..it should be pretty obvious if the level is droppin. I bet it is fuel unless there is a hyd pump bolted to the engine on the right hand side. Keep in mind that i am a Deere Tech and don't work on other brand stuff so maybe i am missing some thing here??
 

Last edited by Sea97Stroker; May 22, 2009 at 08:55 PM.
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