MaxxForce 7 Running Check Engine Code

This problem was pretty straight forward using the Navistar Engine Software that led us directly to the problem. The engine code was the fuel rail pressure sensor. Most times it’s the sensor but due diligence is in order here just in case there’s a bad wire end or poor connection down the line. This engine… Continue reading MaxxForce 7 Running Check Engine Code

IC School Bus Air Horn Installation

The video proves how lame the factory electric air horn sounds. I was shocked when I first heard it. It would be the perfect device for an Austin Mini perhaps but not a 40 foot school bus. There are other buses that we have installed regular high and low tone electric horns to get that… Continue reading IC School Bus Air Horn Installation

Mercedes MBE 900 Diesel Engine Codes

Mercedes engine codes…..which ones have been the most common and how did we go about fixing them. I will talk about 3 of the most common engines codes to date. The one code I have seen the most over the years has been the ‘2631 Turbo Boost Performance’ the most common code with these MBE… Continue reading Mercedes MBE 900 Diesel Engine Codes

MaxxForce DT Cylinder Head Installation

Installing the cylinder head on an International MaxxForce DT diesel engine is intimidating for the novice but as I always say follow the instructions in the manual to the letter and you will never go wrong. The video specifically shows how to torque down the head bolts after the threads are coated with a light… Continue reading MaxxForce DT Cylinder Head Installation

MaxxForce DT Engine Rebuild Progress Report

Once the cylinder liners were secured and measured for protrusion the new pistons were then installed with new bearings and rings. This is where care (as always) needs to be taken especially when installing the pistons. The rings need to be turned to the correct position 120 degrees apart from each other so the open… Continue reading MaxxForce DT Engine Rebuild Progress Report

MaxxForce DT Cylinder Liner Protrusion

This is one of the many important steps along the way towards rebuilding our MaxxForce DT diesel engine. If you’re following posts here you’ll notice a steady flow of articles regarding these engine models. As I have mentioned before there’s a lot of flaws in engineering that is causing premature wear and necessary in-frames to… Continue reading MaxxForce DT Cylinder Liner Protrusion

International MaxxForce DT Diesel Engine Worn Out Analysis

Did you watch this video? Look at all of that smoke coming out of the oil fill tube. That is severe blowby caused by compression escaping by the piston rings and getting into the crankcase creating pressure. This International MaxxForce DT is a 2011 diesel engine that needs some rebuilding to get it back to… Continue reading International MaxxForce DT Diesel Engine Worn Out Analysis

International Diesel Engine Forced Regen

If you own or work on a diesel engine these days you know about a forced regen that has to be done occassionally to improve the flow rate through the exhaust system. The contamination from emissions can happen quickly at the diesel particulate filter so constant monitoring is essential. The temperature and flow is monitored… Continue reading International Diesel Engine Forced Regen

IC School Bus Interior and Exterior Tour

This is a tour of the various parts and components you might not usually see on an IC (International Corporation) school bus. There are many lettered signs with instructions how to exit or open doors and windows somewhat familiar to travelling on an aircraft. The body side of International school buses are quite reliable and… Continue reading IC School Bus Interior and Exterior Tour

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