Page 122 – Mechanics Hub

Back Seat Mechanic

Mercedes MBE 900 Engine Brake Repair

Mercedes Engine Brake Repair One of our sports run buses has an engine hold back problem when coasting down hill. The Mercedes MBE 900 has an exhaust brake and an engine brake. Used together they really work well and you can feel it while driving. The engine brake is called a “Constant Throttle Valve” or… Continue reading Mercedes MBE 900 Engine Brake Repair

Mercedes MBE 900 Electrostatic Oil Separator

Replacing the Electrostatic Oil Separator When you get an EOS (electrostatic oil separator) code on an MBE 900 Mercedes diesel engine the only remedy is to replace it. Since it is integral with the engine valve cover the complete valve cover assembly is replaced. This is costly but this is only the second one we’ve… Continue reading Mercedes MBE 900 Electrostatic Oil Separator

A Little Coffee

The Thomas ER Saf-T-Liner School Bus

Thomas Bus Pusher ER Saf-T-Liner Memories Of all the Thomas buses my favourite model is the saf-t-liner pusher. It was mainly hard wired and much easier to work on using raw troubleshooting especially when dealing with electrical problems. Over eighteen years ago when I started with the shop they were running 3208 Cat diesel… Continue reading The Thomas ER Saf-T-Liner School Bus

Inspiration

Clone

The 2 Most Important Jobs In a Fleet – Troubleshooting and Roadtesting

The Importance of Troubleshooting and Road Testing As a fleet operation that transports students it’s our responsibility to make sure all work is done properly and the vehicle is safe to go back out on the road. Also important is to road test buses before and after the repair to take care of driver concerns… Continue reading The 2 Most Important Jobs In a Fleet – Troubleshooting and Roadtesting

Not in the Manual

Mercedes MBE 900 Diesel Engine Emission Codes

Exhaust Temperature “Too High” Engine Code With emission systems their main purpose is to remove soot and NOx (nitrogen oxide) from the engine exhaust system. In the process of doing this the DPF (diesel particulate filter) gets the worst of the tar and gum like substance that accumulates on the filter.