International DT466 Diesel Engine In-Frame One disadvantage to diesel engines with wet liners (meaning that they are removable from the engine block) is the o-ring seals that separate the coolant from the crankcase DO fail eventually. That is what happened to one of our buses while it was out on a run. The tell tale… Continue reading DT466 Diesel Engine In Frame
Checking Out an Intermittent Engine Exhaust Leak One of the 2009 Cummins ISB diesel engines we have in our fleet was experiencing an exhaust leak intermittently. The driver reported that when he was coming to a stop with the exhaust brake on he would be overtaken by exhaust fumes. Originally I went with him on… Continue reading Cummins ISB Diesel Engine Regen Using Insite Lite Software
I visited the shop of a friend of mine who I work with who was in the process of replacing the heads and injectors on a 2005 Chevy 2500 4X4 with a Duramax diesel engine. I’ve always heard you need to remove the cab to do any kind of major engine work so it was… Continue reading Removing Cab 2005 Chevy 2500 4X4 Duramax Diesel Engine
I was out looking at one of our pusher buses and checking it out for running cold. The ambient temperature at the time was around -16 Celsius. In the video the first thing to check on these pusher buses is the hydraulic drive engine fan. The have stuck on in the past because of the… Continue reading Pusher School Bus Engine Running Cold – Cummins Diesel ISC Model
Voltage Leakage with Interface Modules Another problem we are dealing with is the VIM vehicle interface modules especially on the HDX Thomas pusher buses. They are exposed to the elements and attract corrosion and since they have cooling vents to the atmosphere this causes voltage to creep over and energize other circuits. On one of… Continue reading School Bus Module and Mercedes Diesel Engine Code Problem
Here is a very short video on changing the fuel filter screen on a DT MaxxForce Diesel. This is the first filter from the tank so it’s important not to forget about servicing it every 43,000 km or 25,000 miles. We didn’t know about this filter until we attended a bus conference out of town.… Continue reading Fuel Filter IC Maxxforce Diesel Engine
The Cat 3116…this engine was introduced to our fleet starting in 2007 and the first thing that we had to do was get a hold of the tool kit required to make adjustments. Adjusting the valves is one thing that can be done easily on any diesel engine. But since the 3116 had a governor… Continue reading Rebuilding Cat 3116 Diesel Engine Out Of A Pusher School Bus
The model of the school bus in the video is a 2007 pusher ER Saf T Liner. Thomas did good with the design of this one. It drives like a Cadillac and is nice and quiet up front for the operator. Most of the drivers liked these models for that reason. They handle very well… Continue reading The Thomas Pusher Bus With 3116 Diesel Engine
I can count on one hand how many times I’ve read an entire operation and maintenance manual. These manuals come with a new vehicle and I would guess they don’t get much use unless a specific question arises. We received new International buses recently powered with Maxxforce 7 diesel engines and since they are a… Continue reading International MaxxForce 7 Diesel Engine Overview
The BLDC motor goes by many names: Brushless DC motor, BL motor, EC motor and ECM. The brushless DC motor is a type of synchronous motor in which the magnetic fields of the rotor and stator change at the same frequency. An inverter powered by a DC electric source produces AC electric signals that drive… Continue reading Uses and Benefits of BLDC Motors
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