Page 42 – Mechanics Hub

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

School Bus Mechanic Service Call

Almost 2 weeks into the new school year and there has already been a couple of service calls and the maintenance cycle is starting to build. A rare occurrence out of town late in the afternoon was one of our International buses that had a hot running rear wheel and the inability to build air… Continue reading School Bus Mechanic Service Call