Cummins Diesel Engine Emission System For the past 3 years we have been buying International school buses CE models equipped with DT 466 Maxxforce and MaxxForce 7 engines. For 2014 International CE school buses will be coming with the Cummins ISB engines since IC can not meet emission standards. The big difference is the DEF… Continue reading Cummins 2010 Diesel Engine Emission System
Two Exhaust Regens Are Better than One Getting all that nasty soot and exhaust contamination out of the exhaust system DPF (diesel particulate filter) takes time and heat to do a proper job. The first step to take is to do a ‘parked regen’ where the diagnostic software comes in handy to force it to… Continue reading Two Ways To Regen A Diesel Engine
Setting Valves and Injectors on a Cat 3116 Diesel Engine Our fleet starting getting Cat 3116 diesel engines in the mid 1990s and we ended up with 13 in total. Caterpillar delivered a lot of these diesel engines during the late eighties and mid nineties. There are still many of these models running around so… Continue reading Setting Valves and Injectors CAT 3116 Diesel Engine
https://youtu.be/8TF3WlIRzTk DT 466E Engine No Start Low Oil Pressure This problem started during the morning start up…. the bus was 30 minutes out of town it was plugged in but it would not start. The bus in question was a 1998 International conventional with a DT 466E diesel engine. It was the middle of… Continue reading International DT 466E Engine No Start Oil Pressure Problem
Exhaust Temperature “Too High” Engine Code With emission systems their main purpose is to remove soot and NOx (nitrogen oxide) from the engine exhaust system. In the process of doing this the DPF (diesel particulate filter) gets the worst of the tar and gum like substance that accumulates on the filter.
After the Cummins C series (Bosch fuel injection) diesel engines did their time in our fleet we were introduced to the ISC electronic model. A high pressure fuel accumulator supplied the injectors using a distributor pump. There were a few of these CAPS pumps that failed but that was over a long period of time.… Continue reading Cummins ISC Diesel Engine Repair
The International DT 466E Diesel Engine – Steps Required To Adjust Valves The DT 466 E (electronic) diesel engine is controlled by an ECU (engine control unit) which has to be removed before adjusting the engine valves. This step adds time to the valve adjustment but necessary to gain access to the valves. Once the… Continue reading Valve Adjustment International DT466E Diesel Engine
Results From Replacing EGR Valve After replacing the EGR Valve it fixed the engine code problem and the engine is back to speed. The code was indicating the EGR was in the wrong position. The old part was gummed up and that caused the valve to stick. The driver said he noticed the codes on… Continue reading EGR Code Repair Mercedes Diesel Engine
Cat 3116 Diesel Engine Rebuild In a previous post I covered Cat 3116 tools and adjustments. This one is all about the rebuild stage. In our fleet we acquired 13 of these engines and a few of them needed rebuilding. This involved removing the entire block. The photos you see in the video above cover… Continue reading Cat 3116 Engine Rebuild Photos
Cat 3116 Diesel Engine During the late 1990s Caterpillar designed and developed the 3116. It only had a one exhaust valve and one intake valve configuration which was a weak spot. Especially with the exhaust valves. In our fleet it was usually #5 exhaust valve that would fail ( in other words break in two).… Continue reading Cat 3116 Diesel Engine Tools and Adjustments
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