Mercedes MBE 900 Diesel Engine Repair

This repair has a long history of scenarios which ended up as a major engine repair. The head gasket on this 2008 Mercedes MBE 900 diesel engine has failed. That’s the least of possibilities. Another option would be a cracked head but I’m staying optimistic. One thing for sure the top end of these diesels… Continue reading Mercedes MBE 900 Diesel Engine Repair

Cummins Code 2636 VGT Actuator

This Cummins ISB diesel engine was running flawlessly for years. It’s a 2009 so seven years with a fairly decent service record is a bonus for the fleet. Eventually mechanical components do fail as most people know and this part was the VGT actuator. VGT stands for variable geometry turbocharger. I can tell you this…… Continue reading Cummins Code 2636 VGT Actuator

Construction Worker Dancing to Ariana Grande

Video: Construction Worker, Tony Restivo, busting a move to Ariana Grande, while on the job.  Hey, if it gets the job done, we’re all for it!

How It Feels to Drop A Wrench

Mechanic Picture: The feeling when you drop a wrench in the car….and it doesn’t hit the ground.

Tips For Getting Started In The Diesel Mechanic Field.

How to become a Diesel Mechanic

Martin Luther King, Jr – Time Is Always Ripe

Martin Luther King, Jr: Without hard work, time itself becomes an ally of the primitive forces of social stagnation.  So we must help time and realize that the time is always ripe to do right.

Cold Start Mercedes Diesel Engine in a School Bus

This bus is one of our older non emission diesel engines. It’s a 2004 Mercedes MBE 900 in a Thomas HDX pusher school bus. As soon as oil pressure is reached I flipped on the high idle switch to get away from over fueling with unburned raw diesel which is very unhealthy for components related… Continue reading Cold Start Mercedes Diesel Engine in a School Bus

MaxxForce 7 Diesel Engine Air Compressor Failure

The one advantage to a belt driven air compressor is the minimal labour to change it out. In this school bus with a MaxxForce 7 diesel engine built by Navistar the Bendix air compressor failed after three years. The oil went as far as the air tanks so this was a severe level failure. The… Continue reading MaxxForce 7 Diesel Engine Air Compressor Failure

Mercedes Diesel Engine Air Compressor Failure

This school bus with a Mercedes MBE 900 diesel engine suffered a premature air compressor failure due to dirt in the engine oil caused by a faulty air intake hose. We had already replaced it a year earlier. The engine oil sample that I receive by email indicated a severe level of dirt in the… Continue reading Mercedes Diesel Engine Air Compressor Failure

Cummins ISC Diesel Engine In School Bus No start

The Thomas HDX school buses we have in our fleet range from years 2007 to 2009 and one fault that has been happening lately is either a no start or no run condition. Of course as always everything happens in groups of three. There was a no start a couple of weeks ago that required… Continue reading Cummins ISC Diesel Engine In School Bus No start