After four diesel engine rebuilds on our DT MaxxForce models we have learned a lot on how they function and what to do on preventing further failures. Between a scale of one to ten this one is a 10 plus a half. You do not expect a school bus that runs 9 months a year… Continue reading Post Diesel Engine Rebuild 2011 DT MaxxForce Running Checks
Video: It sounds crazy but rubbing STEEL WOOL on your WINDSHIELD won’t hurt it! Tempered windshield glass is higher on the MOHS scale of hardness than steel wool, so it won’t scratch.
I’ve seen a lot of electrical problems over the years and this one is the first with ghost voltage connecting to a relay for the running lights. As described in the video the printed circuit board has all of the fuses and relays mounted on it and connects everything with internal wiring circuits. The LED… Continue reading Thomas School Bus Electrical Problem Circuit Board
We operate a lot of Mercedes MBE 900 diesel engines in our fleet and you probably noticed there a lot of videos related to these engines on this site primarily because they are getting old and diesel engines wear out of course and develop issues. One very common issue with our Mercedes is their sensitivity… Continue reading Mercedes Diesel Engine 2631 Turbo Boost Performance Code
Check out HumbleMechanic’s video where he look’s at who makes the best mechanic’s ratchet. Ratchets may also be called Socket Wrenches. We look at different sized ratchets, different brands like Craftsman, Snap on, Matco, Kobalt, and even a few specialty ratchets Join me today as be break down: ~ The 3 common drives for ratchets ~… Continue reading Who Makes The Best Ratchet/Socket Wrench?
Check out this video of Snap On vs Offshore. Over torquing ratchets until they break! Actual torque numbers on Snap-on, Mastercraft and Husky.
I will not lie the Cummins ISB is the best diesel engine I’ve worked on that does not have nagging emission problems like their competitors. I should say what competitors? Not too many are left. International did not want to go with the SCR selective catalytic reduction in 2010 and decided to stick with Advanced… Continue reading Cummins ISB Diesel Engine In A School Bus The Perfect Marriage
The daily routine sounds boring but what job doesn’t have some routine mixed in? My compact little office is where it all happens with planning and interaction with drivers, mechanics, salesmen and bus dealers. Incoming calls and 2 way communication is normal when you have 40 or more buses running around town. The maintenance software… Continue reading School Bus Fleet Maintenance Software Daily Routine
The Proheat diesel engine coolant heater is 30,000 BTU and puts out a lot of heat for something the size of a bread box. The first thing that impressed me was the O2 sensor built in to control the fuel and air mixture. The exhaust is extremely clean compared to other manufacturer’s heaters I’ve experienced.… Continue reading Proheat Diesel Coolant Heater Programming
This is a 2008 Mercedes MBE 900 Diesel Engine that has been sitting for over a year now. It had a major issue with losing engine coolant every time the bus (Thomas HDX Pusher Bus) climbed a grade under load. The coolant would blow out of the coolant fill tank (surge tank) a gallon at… Continue reading Mercedes MBE 900 Diesel Engine Replacement
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