Urea DEF Added to the Diesel Fuel by Mistake

Thomas School Bus, Cummins 6.7L Engine damaged due to the customer or? having added UREA DEF to the Diesel Fuel rather than the DEF Tank. Extent of the damage was high, total repair cost was greater than 26K. Do you have plan in place to prevent this from happening at your location?

This section of the Blog will be specific to the Cummins Diesel Engine Maintenance:

 • 5.9L
 • 6.7L
 • 8.3L
 • ISB
 • ISC
 • ISL

Diesel Engines as well as the new CNG.  If you post a question or reply, include your Engine SN.......

Subjects to be included:

Correct Engine Oil
Oil Filter
Fuel Filter's
Air Filter
Coalescing Filter
DEF Filter
Coolant Filter (If Used)
Tune up
Inspection
Pictures and Information related to the FAILURES of MAINTENANCE Mistakes or Issues.

 I also produce a monthly emailed newsletter on the subject of School Bus and Diesel related issues, updates and products. Email me if you would like to be added to the list. Interested in producing a newsletter or custom email of your own? Click on the this link ACE of SALES to see the program I use to wow my customers.




I use the Baldwin Filter Brand for most of my Oil and Fuel applications. Compare prices here: