Friday, July 13, 2018

School Bus Mechanic Moving to MechanicsHub on YouTube

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Hello and thank you for visiting my schoolbusmechanic blog. I have been posting here since 2006 and have 326 blog posts. I'm very gr...
Monday, February 12, 2018

MaxxForce DT Diesel Engine Injector Miss in a School Bus

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An injector miss isn't too hard to detect since the engine code that showed up on the dash indicated a missing injector. This involved ...
Monday, December 25, 2017

Mercedes MBE Diesel Engine Pusher School Bus

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The cold start on this bus was perfect without any hold ups. It was plugged in and the batteries are obviously in good shape. Of course ...
Monday, December 04, 2017

Cummins ISB Diesel Engine Ranks At The Top

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Cummins ISB Diesel Engine Running from John Whelan on Vimeo . Just listen to that baby purr...doesn't it sound great? Cummins has ...
Monday, September 11, 2017

Mercedes EGR Valve Test

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The EGR valve on this Mercedes MBE 900 diesel engine was under suspicion so we hooked up the software and went into the test mode. The...
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Sunday, March 05, 2017

School Bus Automatic Transmission Control Module

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School Bus Allison Automatic Transmission Control Unit from John Whelan on Vimeo . School buses these days come with Allison automatic...
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Thursday, November 03, 2016

Mercedes MBE 900 Diesel Particulate Filter Cleaning

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The emission controlled diesel engine causes a lot of soot and ash build up through out the intake and exhaust system. The sticky GOO tha...
2 comments:
Friday, May 06, 2016

Park Brake Not Releasing C2 School Bus

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Park Brake Not Releasing C2 School Bus from John Whelan on Vimeo . The park brake on a Thomas C2 school bus has an interlock that requi...
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