Articles Archives

New International School Bus Tour

We purchased 9 brand new International school buses this month. Shiny new paint jobs and that new bus smell can not be beat. They came with an ISB Cummins diesel engine. Since Cummins uses the SCR (selective catalyst reduction) we have to monitor the DEF (diesel exhaust fluid). This fluid is part of the emission… Continue reading New International School Bus Tour

A World Of Mechanic Information

Using your hands to repair various mechanical devices is one thing but having the information on how things work, how to troubleshoot and what parts make it tick is priceless. Sometimes you can not find any information and it turns into a guessing game. Eventually it gets fixed but how long did it take and… Continue reading A World Of Mechanic Information

Retired School Bus Tour

This is a retired school bus tour showing some features this bus came with from the factory. We have sold all nine of our retired buses to the same company which is unusual. Typically they are auctioned off at the government website one at a time which takes ages to complete. We needed the space… Continue reading Retired School Bus Tour

Heated Mirror Repair IC School Bus

The heated mirror on school buses are no longer an option they are mandatory. So when any inspections are done on a school bus the heated mirror must work to pass. In this case the video shows the open circuit on the heating grid that has disabled the element completely. With motorized heated mirrors the… Continue reading Heated Mirror Repair IC School Bus

Cummins C Series Diesel Engine Injection Pump Removal

The Cummins C inline 6 diesel engine is still running around the country and a very popular model. It’s an 8.3 Liter and similar to the 5.9L. The main reason for it’s popularity is the 100% mechanical features in it’s design. There is an air fuel ratio control but no emission controls that started with the 2007… Continue reading Cummins C Series Diesel Engine Injection Pump Removal

Setting Valves On A Diesel Engine Without A Manual

Inline Six Diesel Engine Valve Adjustment There is a way without having a manual to adjust the engine valves on any inline diesel engine because of the universal design that makes it easy to carry out this procedure. This procedure is called the rocker method that uses the intake and exhaust valve position as a… Continue reading Setting Valves On A Diesel Engine Without A Manual

Diesel Engine Animation

One of my favourite videos to watch on YouTube are the animated engine assembly and operation videos. If you’ve never seen one before the video below shows a Perkins diesel engine being assembled. It’s very detailed and every single part is included. This would be an excellent video to watch if you actually had to… Continue reading Diesel Engine Animation

Cummins ISB Diesel Engine Parked Regen

A Parked Regen is a common term now since emissions went to the next reduction level mandated by the environmental protection agency in 2007. The emission controlled diesel engine is consuming used exhaust gases back into the intake that’s re-used for combustion. The gases are separated and redirected into the intake via the EGR (exhaust… Continue reading Cummins ISB Diesel Engine Parked Regen

Cummins Diesel Engine Codes

The Cummins ISC diesel engine in this case a 1999 model quit suddenly on the main street just outside our shop. The driver was from out of town and we had to hold his bus for repairs. It had to be towed in and found the problem to be two engine codes. They were engine… Continue reading Cummins Diesel Engine Codes

Mercedes Diesel Engine Turbo Code Repair

Turbo Boost Performance Code Mercedes Diesel Engine The “turbo boost performance” code is the fussiest one of all with Mercedes MBE 900 diesel engines. It involves several different checks on the sensors, EGR, intake throttle among other basic checks. When I see an engine with this code I know it’s going to cost us a… Continue reading Mercedes Diesel Engine Turbo Code Repair