Emissions gets a lot of attention these days especially when Donald Trump starts suggesting he wants to roll back emissions by freezing fuel efficiency standards at 2020 levels all the way through to 2026. This would reduce electric vehicle sales and keep people in gas powered vehicles. The freeze would increase oil consumption to half… Continue reading Mercedes Diesel Engine Emissions
This is a typical procedure for doing a regen on an International diesel engine. In this video it’s the MaxxForce DT. This engine model has been floating around as the top subject for my articles here on the Hub. I’ll tell you something about these diesel engines. They have issues so I write about them… Continue reading Parked Regen Using Navistar Software
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
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
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
Just another step in the rebuild process of our MaxxForce DT engine. The head has been removed along with the oil pan which required the front engine mount to be removed. The steering axle is in the way so once the oil pan retainers are removed and oil pan is let down it hits the… Continue reading International MaxxForce DT Rebuild Follow Up
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
Another rebuild not uncommon with the DT MaxxForce. We have found this out in the last couple of years. There is so much exhaust going through the intake system and out the exhaust the second time has caused premature wear beyond belief. Navistar decided to tackle the 2010 emissions requirements set out by the EPA… Continue reading MaxxForce DT Diesel Engine Overhaul
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
The eight 2013 MaxxForce 7 diesel engines we purchased for our fleet have proven to be a royal pain in the …well you know how that phrase ends. After five years half of the diesel engines needed to be replaced due to being totally worn out. All of them were repaired / replaced under warranty… Continue reading 2013 MaxxForce 7 Diesel Engine Performance Update
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