Revolutionary Diesel Engines for the U.S. Military

The United States Armed Forces are constantly seeking to maintain their advantage over opposing armies by upgrading and improving their combat equipment, including the Bradley Family of Vehicles and the Next Generation Combat Vehicles. As part of the enhancement program, the National Advanced Mobility Consortium has awarded Cummins Inc. a $47.4 million contract for the… Continue reading Revolutionary Diesel Engines for the U.S. Military

Maintenance on Diesel Engines Vs Gas

Thinking about buying a new car? If so, you’re most likely going to see quite a few choices in both diesel engines and gasoline engines. While both engines can be found in some of the best vehicles in the world, choosing between the two really comes down to how easy each engine will be to maintain,… Continue reading Maintenance on Diesel Engines Vs Gas

School Bus Replacing Front Brakes

Front brakes on a school bus are significantly smaller than the rear drive axle mainly because there is much less weight to handle and you want a balanced stop while braking. Brakes are engineered to even out the stopping accuracy when the brake pedal is applied and give the operator the proper feel when driving… Continue reading School Bus Replacing Front Brakes

School Bus Garage Machining Brake Shoes

School buses are fussy sometimes so fine tuning is required once in a while. In this case the front brakes were grabbing and pulling the bus to one side at slow speeds. The best method to repair this problem is machining the brake shoes and brake drums. It’s not a unusual step to take in… Continue reading School Bus Garage Machining Brake Shoes

School Bus Electrical Troubleshooting

The First Step Troubleshooting Electrical Problems The last month has been unbelievable with waves of electrical problems. Several International and Thomas buses have been coding, not running and not starting on a steady basis. Corrosion is always the enemy and even though the bus manufacturers try their best to keep electrical harnesses and connections sealed… Continue reading School Bus Electrical Troubleshooting

International MaxxForce DT Diesel Engine Miss Repair

The video tells the story on the running condition of this MaxxForce DT diesel engine. International designed these engines to run on high pressure oil to hydraulically actuate each injector electronically by the on board computer which is separate from the fuel system which runs at 75 psi. This engine sounds like it’s running on… Continue reading International MaxxForce DT Diesel Engine Miss Repair

School Bus Garage January Highlights

School bus repairs is never boring because the variety never ends. I will go through each of the featured jobs in this video and do an over view including the solution which is the best part of any mechanical repair. The first part is an injector failure or I should say injector sealing washer failure… Continue reading School Bus Garage January Highlights

International DT MaxxForce Diesel Engine Rebuild Overview

I know this post has a rather long title but I wanted to attract International DT MaxxForce diesel engine users. This rebuild took a few weeks to complete due to waiting for parts and sending out components for repair and testing. The bill came out big in the end over 10,000 dollars. This is not… Continue reading International DT MaxxForce Diesel Engine Rebuild Overview

International School Bus Diesel Engine Road Test

Here I am….sitting and idling one of our MaxxForce DT diesel engines after a road test on the highway. It can be frustrating when a driver complains about the engine missing and not accelerating. As usual when the mechanic goes on a road test (more often than not) there is absolutely nothing wrong. There are… Continue reading International School Bus Diesel Engine Road Test

Road Test Engine Code Repair DT MaxxForce Diesel Engine

The road test is the “last but not least” operation when making a repair on anything mechanical. Our mechanics are instructed to go on a road test after every job if the repair was a driveability issue. In this case I took this bus in the video for a good 1/2 hour run to reach… Continue reading Road Test Engine Code Repair DT MaxxForce Diesel Engine