replacement Archives

EGR Cooler MBE 900 Mercedes Diesel Engine

This is a job that is essential due to coolant leaking into the engine oil and vice versa coolant escaping into the combustion chamber. The obvious clue to this issue was an operator complaint of coolant loss. Since we could not detect an external leak all fingers pointed to the EGR cooler. Since this Mercedes… Continue reading EGR Cooler MBE 900 Mercedes Diesel Engine

Radiator Replacement IC School Bus

A blog post about a radiator seems over kill but there is a story here that needs telling. When I get in to work the first report I usually get is there’s a bus with a problem. This particular bus was an out of town unit that lost a large amount of coolant. The run… Continue reading Radiator Replacement IC School Bus

Replacing Fuel Gauge Sender Thomas School Bus

A faulty or inaccurate fuel gauge is classified as a minor problem but running out of fuel on a diesel engine in a school bus on a regular run is a problem for us. The rule of thumb in our operation is to keep the top half of the fuel tank full. However if the… Continue reading Replacing Fuel Gauge Sender Thomas School Bus

Mercedes MBE 900 Diesel Engine Replacement

This is a 2008 Mercedes MBE 900 Diesel Engine that has been sitting for over a year now. It had a major issue with losing engine coolant every time the bus (Thomas HDX Pusher Bus) climbed a grade under load. The coolant would blow out of the coolant fill tank (surge tank) a gallon at… Continue reading Mercedes MBE 900 Diesel Engine Replacement

School Bus LED Lights

LED or the long meaning ‘light emitting diodes’ is by far the most economical way to go especially with a fleet. At first (as usual) the price was the biggest objection which of course is a common response when a product has not been properly tested over time. Incandescent lights from the good old days… Continue reading School Bus LED Lights

Diesel Engine DPF Replacement

If you have ever worked on a diesel engine with emissions you’ll recognize the part featured in the photo. It’s a sooted up DPF (diesel particulate filter) cartridge. This one was giving us some trouble with an engine code that pops up when the turbo boost is not at the proper level. The cause of… Continue reading Diesel Engine DPF Replacement