How do you check diesel fuel in oil?
Drop a few drops of oil on a paper towel and look for a light ring to develop around the center spot of oil. Diesel fuel will leave a halo like this around the oil.
Why does diesel oil turn black so fast?
The increased combustion temperatures in the cylinders burns the fuel more efficiently, resulting in reduced exhaust emissions coming out of the tail pipe. The re-ingested exhaust gases also increase the contamination of the diesel engine oil causing it to turn black more quickly.
Can you separate diesel from oil?
Fractions that are separated out include gasoline, diesel, kerosene, and bitumen. Fractional distillation allows a lot of useful products to be made from crude oil, with many environmental consequences for the use of those useful products!
When did Cummins start making the L10 engine?
The first L10 Cummins Engines were a mechanical style engine. Later the electronics were incorporated into the L10 Cummins Engines. The L10 Cummins Engines were produced from the mid 80’s to the late 90’s.
Is there a rebuild manual for the L10 engine?
This manual contains complete assembly and rebuild specifications for the external damper model L10 engine and all associated components manufactured by Cummins Engine Company, Inc. This manual is intended as a quick reference guide for an experienced technician who is familiar with our product.
What to do if your diesel engine is getting into your oil?
Based on the report, I would then go after the oil dilution problem. Even if the engine has seen some excessive wear from the diluted oil in the past, that Cat engine will probably serve you well for many years with the low use you give it . . . that is, once you stop the diesel from getting into the oil.
Can you tell if there is fuel in the oil?
They will tell you what you already know, that there is fuel in the oil. But what you need to determine is if there are any high levels of any engine bearing material in the oil. That will allow you to judge if there is any real damage that has occurred to the engine. Based on the report, I would then go after the oil dilution problem.
https://www.youtube.com/watch?v=KzuwdxEJfQA