Diesel
13 articles
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DT466 Fuel Filter Housing Diagram and Replacement Guide
The Navistar DT466 is legendary for its bulletproof mechanical endurance, but even a commercial grade inline six diesel engine relies entirely on clean fuel delivery. The DT466 fuel filter housing act
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Cat C7 Belt Diagram: Serpentine Routing and Replacement
Replacing a serpentine belt on a Caterpillar C7 diesel engine requires exact pulley routing to prevent premature wear, squealing, or immediate component failure. The Cat C7 is a six cylinder, 7.2 lite
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P20C9 Isuzu NPR Fault Code: Diagnosis and Repair
When your Isuzu NPR workhorse drops into limp mode and flashes a check engine light on the highway, you're usually dealing with a specific emissions system fault. The P20C9 diagnostic trouble code poi
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Duramax LML 2013 cylinder number layout and guide
Working on a 2013 Duramax LML diesel engine requires absolute precision, especially when you're diagnosing a misfire or tracking down a fuel injector issue. The primary keyword for this setup is Duram
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6.7 Cummins Serpentine Belt Routing & Tensioner Replacement
Replacing the serpentine belt and tensioner on a 6.7 liter Cummins diesel requires knowing the exact pulley path and having the right tools on hand. Whether you're working on a Ram 2500 or 3500, a mis
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Cumminsforum and Diesel Engine Technology Dominance
Cumminsforum has anchored itself as the digital epicenter for heavy duty truck owners, mechanics, and diesel enthusiasts. When you need real world diagnostics, torque verification, or peer reviewed tr
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Duramax LML Cylinder Number Guide and Firing Order
Working on a 6.6L LML Duramax requires precise identification of cylinder locations and the factory firing order to diagnose misfires, injector failures, or compression issues. Built from 2011 through
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Duramax Cylinder Numbers: Complete Layout and Firing Order Guide
Knowing your Duramax cylinder numbers is essential when you're diagnosing a misfire, replacing a fuel injector, or troubleshooting diagnostic trouble codes on a GM heavy duty truck. On all generations
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6.0 Powerstroke IPR Valve Readings: Diagnostic Guide
Troubleshooting a 6.0L Ford Powerstroke often comes down to one critical subsystem: the high pressure oil system. When your truck cranks forever without starting, loses power under heavy acceleration,
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6.6 Duramax Cylinder Numbering Guide
Getting the 6.6 Duramax cylinder numbering right keeps you from frying an expensive fuel injector or chasing phantom misfire codes. If you guess the layout based on how other engines are built, you'll
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Cummins 6CT Turbo: Specs, Common Issues, and Upgrades
The Cummins 6CT is a heavy duty, 8.3 liter (often confused with smaller 5.9L variants due to naming overlaps) inline six industrial and commercial diesel engine designed to deliver massive low end tor
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Cummins ISM No Start: Diagnostics, Codes, and Fixes
When you turn the key on a heavy duty rig powered by a Cummins ISM and get nothing more than a click or silent cranking, downtime costs start piling up immediately. A crank no start or dead crank cond
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Cummins ISM Crank No Start Diagnostics
When you turn the key on a heavy duty truck powered by a Cummins ISM engine and get nothing but a cranking motor spinning against dead silence, you're facing one of the most frustrating diagnostics in