Page 56 – Mechanics Hub

Diesel Engine Regen

The parked regeneration is a regular procedure for diesel engines that get to the point where passive regens are not keeping the DPF (diesel particulate filter) clean. The differential pressure sensors will signal the motor control module MCM to alert the driver with an amber light on the dash that a parked regen is required.… Continue reading Diesel Engine Regen

JX Peterbilt Supports Special Olympic Athletes in 11th Annual World’s Largest Truck Convoy

197 medium and heavy-duty trucks travelled along a 53-mile route in support of Special Olympic Athletes. The trucks were escorted by law officials along US Highway 41, starting at the Pioneer Travel Plaza in Richfield and finsihed at the EAA Grounds in Oshkosh. In addition to supporting Special Olympic Athletes, the event also brought awareness to truckers… Continue reading JX Peterbilt Supports Special Olympic Athletes in 11th Annual World’s Largest Truck Convoy

Mechanic Road Test and Service Call Tips

The road test is one of the most important steps to take when troubleshooting a mechanical problem on any vehicle. Thousands of mechanics will agree with this statement. When you listen to a complaint from the driver of the vehicle in question you may not get the whole story. I like to find out as… Continue reading Mechanic Road Test and Service Call Tips

Mike Harrah’s Detroit V24 – 71 Diesel Engine 3424 Horse Power

Mike Harrah’s Newest Engine – v24 – 71 Diesel Rated at 3424 HP

School Bus Body Shop

I haven’t said anything about our onsite body shop so I think now is the time to tell you all about it. We have a journeyman body man who does everything related to school buses. He replaces and repairs body panels, repairs and replaces seat covers, replaces damaged and fogged glass and paints where required… Continue reading School Bus Body Shop

Air Brakes System with ABS

Air brake abs or antilock brake systems are similar to automotive in principle with wheel sensors, tone wheels and a control module. The difference of course is air brakes compared to hydraulic brakes. On our newer school buses there is an off road switch on the dash to engage the ABS and reduce wheel spin. The results using this system during winter… Continue reading Air Brakes System with ABS

Mercedes Diesel Engine Code 2631

This is another Mercedes diesel engine MBE 900 post. These engines are keeping us busy. Just when we get one code repaired another one comes along. Tonight while working on the engine in this video one of the drivers walked in to the shop and reported an engine code on his dash. It’s another MBE 900 that… Continue reading Mercedes Diesel Engine Code 2631

Cummins ISB Diesel Engine Code Repair

The Cummins ISB diesel engine is the most reliable diesel engine in the fleet. However they are not invincible and can act up once in a while. The operator came in and told us there was an amber light on the dash. Most descriptions of the issue are pretty good but it is a habit… Continue reading Cummins ISB Diesel Engine Code Repair