The Diesel Repair Blog
Practical truck repair knowledge from the field. No fluff, no filler — just real advice from a mobile diesel mechanic who works on trucks every day in South Florida.
Truck Breakdown on I-95: What to Do in South Florida
Semi broke down on I-95 in South Florida? Here's exactly what to do, who to call, and how to stay safe until help arrives. Written by a real mobile diesel mechanic.
Florida DOT Inspection Checklist: The Complete Guide
Every item on a DOT Level I inspection, with Florida-specific notes. Know what inspectors look for and how to pass every time.
Top 5 Freightliner Cascadia Problems Every Owner Should Know
The 5 most common Freightliner Cascadia breakdowns from a mobile diesel mechanic's perspective. DEF derates, turbo issues, coolant leaks, and more.
Mobile Truck Repair vs. Shop Repair: An Honest Comparison
When should you call a mobile mechanic vs. take your truck to a shop? An honest breakdown of costs, speed, and capabilities from someone who does both.
Hurricane Season Truck Fleet Prep: A Florida Guide
Florida hurricane season is no joke. Here's how to prepare your fleet, protect your trucks, and recover fast after a storm.
Why 24/7 Mobile Truck Repair Matters: The Real Cost of Waiting
Every hour your truck sits costs real money. Here's why 24/7 availability isn't a luxury — it's a financial necessity for any trucking operation.
The Complete Preventive Maintenance Schedule for Commercial Trucks
PM A, PM B, PM C — the complete guide to truck preventive maintenance with Florida-adjusted intervals. Keep your fleet running and your costs down.
8 Signs Your Truck Needs Brake Repair Right Now
Grinding, pulling, spongy pedal, ABS light — 8 warning signs your truck's brakes need immediate attention. Don't ignore these.
The Real Cost of Truck Downtime: Numbers Every Fleet Manager Should Know
Most fleet managers underestimate downtime costs by 2-3x. Here's the full breakdown — direct, indirect, and hidden costs that add up fast.
Mobile Diesel Truck Repair in Palm Beach County: Your Complete Guide
Everything you need to know about mobile diesel repair in Palm Beach County — services, costs, coverage areas, and what to expect.
The Complete Diesel Truck Maintenance Checklist for 2026
Complete diesel truck maintenance checklist: daily, weekly, monthly, and annual items. Florida-specific tips from a mobile mechanic.
DPF vs DEF: What's the Difference and Why It Matters
DPF vs DEF explained by a diesel mechanic: what each does, how they work together, common problems, and maintenance tips.
How Much Does Mobile Truck Repair Cost? Real Pricing Guide
Real mobile truck repair costs from a working mechanic. Price ranges by repair type, mobile vs shop comparison, and hidden costs of downtime.
How Often Should You Service a Diesel Truck? Complete Guide
How often to service a diesel truck — oil changes, filters, fluids, and PM schedules explained by a real mechanic.
Mobile Mechanic vs Towing to a Shop: The Real Cost Comparison
Mobile mechanic vs tow to shop — full cost breakdown with real numbers. See why mobile wins 90% of the time.
Semi Truck Check Engine Light: What It Means and What to Do
What does your semi truck check engine light mean? Fault codes, severity levels, and when to pull over — explained by a mobile diesel mechanic.
7 Signs Your DPF Filter Needs Cleaning or Replacement
Spot the 7 warning signs your DPF filter needs cleaning before it triggers a derate. Know what to look for and when to act.
Truck Overheating? What to Do Before You Blow a Head Gasket
Truck overheating in South Florida? Here's exactly what to do, common causes, and when to call a mobile mechanic.
Truck Repair Cost Guide: What to Expect in 2026
2026 truck repair cost guide — brakes, turbos, DPF, engine, and more with real South Florida pricing. No surprises.
Truck Won't Start? 10 Causes and How We Fix Them Roadside
Truck won't start? Here are the 10 most common causes and how a mobile mechanic fixes them on-site. No tow needed.
What Causes Truck Derate? How to Fix It Fast
Truck derated? Learn what causes 5 mph, 25 mph, and full derate on Cummins, Detroit, and PACCAR engines. Mobile derate repair 24/7.
When Do Trucks Need a DOT Inspection? Florida Requirements
When do trucks need DOT inspections in Florida? Annual requirements, inspection levels, penalties, and mobile DOT inspection options.
Common Allison Transmission Problems Every Truck Owner Should Know
The most common Allison transmission problems I diagnose as a mobile diesel mechanic. Shift flares, overheating, codes — and what they actually mean.
Thermo King vs Carrier: An Honest Reefer Unit Comparison from a Mechanic
Thermo King or Carrier? An honest comparison from the mechanic who fixes both. Reliability, parts cost, common failures, and which lasts longer.
How to Choose a Mobile Truck Repair Company: 10 Questions to Ask
10 questions to ask before hiring a mobile truck mechanic. What to look for, red flags to avoid, and how to tell the pros from the parts-changers.
Semi Truck HVAC Not Working in Florida Heat? Here's What to Check
Truck AC blowing warm in Florida? Here's what causes it and how to fix it fast. Compressor, refrigerant, condenser — a mobile mechanic's guide.
The Complete Guide to Truck Air Brake Systems
How truck air brakes work, what fails, and when to get service. Compressors, valves, chambers, ABS — a working mechanic's complete guide.
Top 5 Kenworth T680 Problems Every Owner Should Know
The 5 most common Kenworth T680 breakdowns from a mobile diesel mechanic. PACCAR MX engine issues, aftertreatment, electrical — and how to fix them.
Volvo VNL I-Shift Transmission Problems: What Goes Wrong and How to Fix It
Common Volvo I-Shift transmission problems from a mobile diesel mechanic. Shift faults, clutch wear, actuator failures — diagnosis and repair.
Need a Mechanic, Not an Article?
These articles are here to help, but when your truck is actually broken down, skip the reading and call.
Call 561-475-8052