Thomas C2 School Bus Software Troubleshooting

Troubleshooting is a common practice these days on anything with wheels unless the problem is staring you in the face like an oil or coolant leak. When it comes to electrical issues however the game changes. Basically when an electrical system acts up most times it’s a needle in the haystack scenario. Luckily Freightliner kindly… Continue reading Thomas C2 School Bus Software Troubleshooting

2008 Thomas C2 Conventional Vandalock No Start

Yes this is not uncommon…one day getting in to a Thomas Conventional school bus and experiencing a no start meaning no start crank along with an aggravating alarm going off in your ear. The rear emergency exit on Thomas C2 Conventional buses have a Vandalock system that will not allow the bus to start if… Continue reading 2008 Thomas C2 Conventional Vandalock No Start

Thomas Rear Engine School Bus Electrical Troubleshooting

Electrical troubleshooting can be a breeze once you know the layout. It’s much like any blueprint that details the operating system. With this Thomas HDX rear engine pusher model the engineers were very kind developing an easy to use electrical circuit board system that offers the details of each board on the access door. I’m… Continue reading Thomas Rear Engine School Bus Electrical Troubleshooting

MaxxForce DT Diesel Engine No Run Problem

I posted a similar video like this one a while back with the same scenario. I thought it was important to show again the importance of what to check when a diesel fails to run. The saying everything happens in threes is very true within our fleet. I’ve seen it happen many times because the… Continue reading MaxxForce DT Diesel Engine No Run Problem

MaxxForce DT Diesel Parked Regen Procedure

As many Mechanics know emission controlled diesel engines need a parked regen once in a while. Most times the engine and MIL amber dash light will come on indicating a fault code to the driver. Both of these amber lights on together most times indicate an emission problem. That is true in this case… the… Continue reading MaxxForce DT Diesel Parked Regen Procedure

2013 MaxxForce 7 viscous Engine Fan

This was a curious question I had on these viscous engine fan drives that are very stiff and run even when the diesel engine is cold. The Horton fan clutch design is beautiful because it does not move an inch until the engine temperature reaches the proper reading. I went on Youtube and found this… Continue reading 2013 MaxxForce 7 viscous Engine Fan

MaxxForce DT Regen Using NED Software

I will not hold back in saying of all the tools Navistar provides their software is excellent. The NED (navistar engine diagnostics) works very well to maintain and troubleshoot all of the engine models. When an engine code pops up out of the blue you want to get on it and see what is going… Continue reading MaxxForce DT Regen Using NED Software

MaxxForce 7 Engine Code 3055

This MaxxForce 7 diesel engine gave us a bit of a challenge with intermittent engine shutdowns. The engine code 3055 (high pressure fuel pump related) led us to a solution in the way of a TSB (technical service bulletin). Apparently the wiring harness to the high pressure oil pump was causing a lot of headaches… Continue reading MaxxForce 7 Engine Code 3055

2018 Mercedes MBE 900 Engine Code 2631

After eleven years of operation it’s not surprising to find a worn out turbocharger. The tell tale sign was a very common engine code for these MBE 900 diesel engines. The SPN 2631 has appeared many times over the years and our shop knows where to look and what testing has to be carried out… Continue reading 2018 Mercedes MBE 900 Engine Code 2631

7 Ways Of Mechanic Skills Evaluation During Hiring Process

A car is an expensive toy and most owners take it very seriously. After all, we all want to feel safe and sound when driving, which is why everyone is trying to find the right mechanic to check and repair their vehicles. However, only one negative experience is enough to convince a customer to start… Continue reading 7 Ways Of Mechanic Skills Evaluation During Hiring Process