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Straight talk on diesel maintenance, repairs, and fleet management from the technicians who do this work every day.

The Ultimate Diesel PM Checklist for Commercial Trucks
Featured
Maintenance 6 min readApril 28, 2026

The Ultimate Diesel PM Checklist for Commercial Trucks

Skipping preventive maintenance is the fastest way to turn a $300 oil change into a $30,000 engine rebuild. Here's the PM schedule every commercial truck owner should follow.

5 Warning Signs Your Diesel Engine Needs an Overhaul
Engine
5 min readApril 14, 2026

5 Warning Signs Your Diesel Engine Needs an Overhaul

Blue smoke, excessive blowby, and dropping oil pressure aren't just annoyances — they're your engine telling you something serious is wrong. Learn to read the signs before it's too late.

Understanding Diesel Fault Codes: What Your ECM Is Telling You
Electrical
7 min readMarch 31, 2026

Understanding Diesel Fault Codes: What Your ECM Is Telling You

A check engine light on a diesel isn't always a crisis — but it's never something to ignore. Here's how to interpret common fault codes and what to do next.

How to Prep Your Fleet for a DOT Roadside Inspection
Fleet
5 min readMarch 17, 2026

How to Prep Your Fleet for a DOT Roadside Inspection

A failed DOT inspection means an out-of-service order and lost revenue. These are the items inspectors check first — and how to make sure your fleet passes every time.

Allison Transmission Service: What You Need to Know
Maintenance
4 min readMarch 3, 2026

Allison Transmission Service: What You Need to Know

Allison automatics are workhorses — but they're not maintenance-free. Here's the service schedule that keeps them shifting smoothly for the long haul.

Keeping Your Diesel Running in Texas Summer Heat
Tips
5 min readFebruary 17, 2026

Keeping Your Diesel Running in Texas Summer Heat

Texas summers are brutal on diesel equipment. Coolant systems, fuel quality, and DEF degradation all become critical concerns when temperatures push past 100°F.

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