Troubleshooting and Repair turbo boost performance code Mercedes MBE 900 Diesel Engine The Turbo Boost Performance code means just what it says. There is a low boost reading that the motor control module (MCM) has detected and that’s the reason for the fault code on the dash. The Detroit Diesel Diagnostic Software is a tool… Continue reading Mercedes MBE 900 Turbo Boost Performance Code Troubleshooting
Freightliner Conventional School Bus Heating System The heating system in a conventional Freightliner school bus is very basic like any other design on the road except for a couple of differences. The heater hose are all one inch from the block to the interior running at least 60 feet pressure and return to supply the… Continue reading 2005 Freightliner School Bus Heating System
The Road To Achieving The Mechanic Red Seal This post will be covering some advice and thoughts when it comes to earning yourself the Mechanic Red Seal Certification. When you say or hear the word ‘Journeyman’ it sounds like such an accomplishment. Journey on it’s own signifies a long trip. In this case a four… Continue reading The Mechanic Red Seal Journey
With safety being the main concern on school buses it’s important that drivers help us with our preventive maintenance program by keeping an eye on their bus with daily pre-trip and post-trip inspections. They are the eyes and ears that the shop depends on to catch problems when they happen between regular services. Drivers have… Continue reading From Paper Trail To Electronic Vehicle Inspection Reports
The ‘Mechanic Trade’ As I See It This is the reason blogging is cool. I can post anything I want about the mechanic trade including my opinions. Please comment below if you agree or disagree or have something to add in the way of your own experiences or advice. Think of something that you feel… Continue reading Getting Into The Mechanic Trade
Results From Replacing EGR Valve After replacing the EGR Valve it fixed the engine code problem and the engine is back to speed. The code was indicating the EGR was in the wrong position. The old part was gummed up and that caused the valve to stick. The driver said he noticed the codes on… Continue reading EGR Code Repair Mercedes Diesel Engine
Allison Automatic Transmissions Exclusive to School Buses I was thinking how many Allison automatic transmissions are operating in North American school buses. There must be thousands (probably more)….no other brand that I know of is being used more than Allison. Automatic transmissions are by far the best drive train component to run in any fleet… Continue reading Allison Automatic Transmissions – The Best Powertrain Component For Fleets
Cat 3116 Diesel Engine Rebuild In a previous post I covered Cat 3116 tools and adjustments. This one is all about the rebuild stage. In our fleet we acquired 13 of these engines and a few of them needed rebuilding. This involved removing the entire block. The photos you see in the video above cover… Continue reading Cat 3116 Engine Rebuild Photos
The Gardian Angel Light System On School Buses Saves Lives It’s an ongoing problem…. students getting on and off a school bus through a gauntlet of drivers who still don’t know or don’t care about the traffic rules concerning school buses. When a bus is stopped on the right side of the road there will… Continue reading New Gardian Angel Lighting System Increases School Bus Safety
Cat 3116 Diesel Engine During the late 1990s Caterpillar designed and developed the 3116. It only had a one exhaust valve and one intake valve configuration which was a weak spot. Especially with the exhaust valves. In our fleet it was usually #5 exhaust valve that would fail ( in other words break in two).… Continue reading Cat 3116 Diesel Engine Tools and Adjustments
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