International MaxxForce 7 Diesel Engine Miss

I’ve heard of the rocker arm failing on the maxxforce 7 diesel engines and when I got a call from one of the drivers saying they were driving and suddenly had a power issue with a very rough running engine the rocker arm issue was on my mind. The bus limped back to the yard… Continue reading International MaxxForce 7 Diesel Engine Miss

School Bus Service Calls Mechanic Advice

Service calls are unpredictable most times. You can win or lose depending on how much you know about the problem. Someone calls it in and tells you all about it so you base your strategy on that information. With all due respect drivers are not mechanics so there are times when the story does not… Continue reading School Bus Service Calls Mechanic Advice

2017 Cummins ISB Diesel Engine Temperature Gauge Fault Repair

On two of our brand new Cummins ISB diesel engines we experienced a fault with the engine temperature gauge which is one reading you do not want go glitchy on you. Engine temperature and oil pressure gauges are the most observed part of the dash since any kind of low or high reading depending on… Continue reading 2017 Cummins ISB Diesel Engine Temperature Gauge Fault Repair

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

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

DT Diesel Engine InFrame Parts Inspection

This is an important step with any rebuild. Cleaning and inspection must be carried out with care so nothing gets missed. The cylinder head was sent out to a local machine shop for testing and inspection. They needed the injectors to block the fuel galleries to allow for a pressure test. Everything including injector sleeves,… Continue reading DT Diesel Engine InFrame Parts Inspection

Diesel Engine In Frame MaxxForce DT

If you told me we would be rebuilding one of our MaxxForce engines in six years I would have laughed and then went into total denial. There’s no way a school bus carrying 60 or so children operating 4 to 5 hours a day would be enough to wear out a diesel engine. I could… Continue reading Diesel Engine In Frame MaxxForce DT

5 Common Vehicle Repairs

There are about 214 million licensed drivers on the road in the United States. With that many drivers, it’s pretty much common knowledge that your vehicle will eventually need repairs and, at the very least, the proper maintenance to keep you on the road longer. Even though repairs/maintenance is a necessary part of car ownership, many drivers… Continue reading 5 Common Vehicle Repairs

School Bus Steering Repair

Every time we do a service within our bus fleet it always goes on the hoist and is checked thoroughly front to back. The average time for a service varies with which interval we’re doing from a 5,000 to a 15,000 kilometer service. The hoist gives us a chance to check the wheels, bearings, brakes… Continue reading School Bus Steering Repair

Mercedes Diesel Engine Exhaust Leak

This particular Mercedes diesel engine model is a 2008 and emission controlled. I can say for sure that any exhaust leaks on an emission controlled engine will create not only an engine code but also derated performance. Once the code shows it’s ugly icon on the dash nothing really feels different until over time it… Continue reading Mercedes Diesel Engine Exhaust Leak