Scheduled maintenance strategies and breakdown prevention for maximum uptime.
Learn how fleets prevent truck corrosion from road salt and rust, including undercoating options, high-risk zones, and CVSA frame inspection standards.
Truck Corrosion Prevention: Essential Fleet Rust Guide Read More »
By Michael Nielsen, Publisher | 15+ Years in Diesel Repair Last Updated: September 2026 ⏱ Estimated reading time: 13 minutes Wheel bearing failure is a progression every diesel technician who’s spent enough years on the road has seen: a call comes in, a wheel is smoking or already off, and what should have been a
Wheel Bearing Failure and How It Destroys the Axle Spindle Read More »
By Michael Nielsen, Publisher | 15+ Years in Diesel Repair Last Updated: September 2026 ⏱ Estimated reading time: 13 minutes Wheel hub maintenance doesn’t get the attention that engines, brakes, or tires get in most maintenance conversations — right up until a hub fails. When a wheel-end assembly loses lubrication or runs out of adjustment
Wheel Hub Maintenance for Heavy-Duty Trucks: Oil and Grease Service Guide Read More »
Learn which commercial truck tire repair tools belong in your shop and which go on every
truck. Covers 2025 CVSA updates, FMCSA standards, and permanent vs. temporary repairs.
Commercial Truck Tire Repair Tools: Shop and Roadside Guide Read More »
Install, maintain, and troubleshoot PTO systems on commercial trucks. Covers PTO types, the Four T’s framework, service intervals, and fault diagnostics.
PTO Systems: Installation, Maintenance, and Troubleshooting Guide Read More »
Transmission fluid analysis for fleets: what wear metals reveal, how to interpret results, and how to build a program that prevents costly transmission failures.
Transmission Fluid Analysis: Predictive Maintenance for Fleets Read More »
Learn truck differential maintenance intervals, fluid specs, and inspection procedures for Class 8 heavy-duty drive axles. Essential guide for fleets and owner-operators.
Differential and Rear Axle Service: Heavy Duty Maintenance Guide Read More »
By Michael Nielsen, Publisher | 15+ Years in Diesel Repair Last Updated: September 2026 ⏱ Estimated reading time: 19 minutes Automated manual transmission maintenance has become one of the most consequential skill sets in the modern fleet shop. AMTs now account for upward of 80 percent of Class 8 truck sales in the North American
Automated Manual Transmission Maintenance: Complete Fleet Guide Read More »
Diagnose and repair Eaton Fuller transmission problems including hard shifting, gear slipout,
overheating, and UltraShift fault codes. Systematic guide for diesel techs.
Eaton Fuller Transmission Problems: Diagnosis and Repair Read More »
Learn how to build an effective heavy duty truck preventive maintenance schedule using mileage, engine hours, and calendar-based intervals. Complete A/B/C service guide.
Heavy Duty Truck Preventive Maintenance Schedule Guide Read More »