YM1500 Injection Pump: Yanmar Tractors  -- Other Tractor Brands Discussion Forum and Review YM1500 Injection Pump: Yanmar Tractors -- Other Tractor Brands Discussion Forum

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 03-24-2007, 12:59 Post: 140701
kptkhome



Join Date: Mar 2007
Location: Dallas Texas
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster
Posts: 1
 YM1500 Injection Pump

I have a YM1500 that is leaking diesel into the crankcase oil (milky color) and blowing diesel smelling oily substance from the pump overflow (?) tube that comes out just above the injection pump and is open to the ground. The discharge occurs when the engine is warm and rpms are up, say greater than 1500 or so. Also have no power, 3pt hydraulics bog the engine down to the point of killing it, etc.

I am guessing I have a problem with the injection pump seals to the point it needs to be rebuilt. How easy is it to rebuild the pump if I wanted to do it myself, or should I pull the pump and take it to a diesel shop? Is the rebuild kit, assuming there is one, available and for how much?

Not terribly mechanically inclined but willing to save a few bucks maybe and get this tractor running again.

Thanks






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 04-05-2007, 21:58 Post: 141069
cpdtwo



Join Date: Apr 2006
Location: az
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster
Posts: 27
 YM1500 Injection Pump

TO TAKE IT OFF IS NOT HARD LITTLE TRICKY TO PUT BACK ON .WOULD NOT OPEN. IF YOU DON'T REPLACE EVERYTHING THE SAME THE TIMMING WILL BE WAY OFF,COST TO HAVE SHOP REBUILD AND REPLACE PARTS WAS $325 LAST NOV 2006.






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 04-06-2007, 02:12 Post: 141081
funkster



Join Date: Jan 2007
Location: Washington
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster
Posts: 11
 YM1500 Injection Pump

Are you sure that the place that is leaking the oil isn't the crankcase vent tube. I had problems with low power and burning lots of oil that were caused by really worn rings creating blow by in the cylinders and forceing oil and smoke out that tube. At least that is what I was told was going on. I also would get lots of oil or diesel splatter on my hood and clothes out of the exhaust. To make a long story short, I rebuilt the beast with pistons, rings, liners bearings and rebuilt the head. I've got 40 hours on the rebuild and seems to have solved all my problems. I don't know much about the injector pump and problems associated with it and I'm hoping I don't have to trouble shoot that any time soon. Hope this helps.






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Discussion Boards > Active Subjects > Messages as Posted > Yanmar Tractors Forum

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