At Novak Diesel, we provide expert heavy truck repair services for owner-operators, fleet managers, and trucking companies, ensuring your rigs stay on the road and performing at their best. Our ASE-certified diesel mechanics specialize in comprehensive engine repair, diagnostics, transmission work, suspension service, and preventative maintenance for all major truck brands. Whether you need a quick repair, a full engine overhaul, or fleet maintenance, we've got you covered.
Our Heavy Truck Repair Services
✅ Complete Diesel Engine Repair & Overhauls
We handle full-service engine repairs, rebuilds, and overhauls for heavy-duty diesel trucks. Whether your engine has suffered from wear and tear, overheating, or fuel system failure, we’ll restore its power and efficiency.
✔ Cylinder head replacements
✔ Turbocharger repair & installation
✔ Fuel injector replacements
✔ Cooling system repairs
✔ Engine rebuilds & replacements
✅ Computer Diagnostics for All Major Truck Brands
We provide advanced diagnostic testing and troubleshooting for:
🔹 Caterpillar
🔹 Detroit Diesel
🔹 Mack
🔹 International
🔹 Volvo
🔹 Cummins
🔹 Paccar
With state-of-the-art ECM (Engine Control Module) diagnostics, we quickly pinpoint and resolve issues, reducing downtime and repair costs.
✅ Cummins ECM Updates & Reprogramming
Keeping your Cummins-powered truck up-to-date is crucial for performance, fuel efficiency, and emissions compliance. We offer:
✔ ECM tuning & calibration
✔ Fuel efficiency improvements
✔ Emissions compliance updates
✅ WABCO Software & ABS System Repair
Our team is fully equipped with WABCO software to diagnose and repair anti-lock braking systems (ABS) and electronic stability control (ESC), ensuring your truck meets DOT safety regulations.
✅ Diesel Exhaust Fluid (DEF) Repair & Forced Regens
DEF system failures can trigger warning lights, reduce engine power, and cause costly downtime. We specialize in:
✔ DEF pump and injector repairs
✔ SCR (Selective Catalytic Reduction) system maintenance
✔ Forced DPF (Diesel Particulate Filter) regenerations
✔ Exhaust system diagnostics & repairs
✅ Brake Repair & Air System Service
Brakes are one of the most critical safety components on any truck. We offer:
✔ Brake pad & rotor replacements
✔ Air brake system diagnostics & repairs
✔ Slack adjuster & chamber replacements
✔ ABS diagnostics & repairs
✅ Transmission Repair & Differential Change-Outs
Your truck's transmission and differential are essential for delivering power and torque to the wheels. We handle:
✔ Automatic & manual transmission repairs
✔ Transmission rebuilds & replacements
✔ Differential fluid changes & rebuilds
✔ Gear and bearing replacements
✅ Clutch Repair & Change-Outs
A worn-out clutch can cause power loss, slipping, and shifting difficulties. We provide:
✔ Clutch adjustments & repairs
✔ Complete clutch replacements
✔ Hydraulic clutch system service
✅ Air System Repairs
Air system failures can affect braking, suspension, and engine performance. We inspect and repair:
✔ Air compressors & dryers
✔ Hoses, valves & fittings
✔ Cab air ride suspension systems
✅ Electrical System Repairs
Heavy-duty truck electrical issues can cause performance problems, starting failures, and safety hazards. We handle:
✔ Starter & alternator replacements
✔ Battery testing & replacements
✔ Lighting & wiring repairs
✔ Electronic control module (ECM) diagnostics
✅ Suspension Repair & Alignments
A failing suspension system can lead to poor handling, tire wear, and a rough ride. Our services include:
✔ Shock & strut replacements
✔ Leaf spring & air ride suspension repairs
✔ Axle alignments & kingpin replacements
✅ Preventative Maintenance & Routine Inspections
Keeping up with routine maintenance helps prevent costly repairs and unexpected breakdowns. Our PM (Preventative Maintenance) services include:
✔ Oil changes & fluid top-offs
✔ Fuel filter & air filter replacements
✔ DOT & annual truck inspections
✔ Driveline lubrication & adjustments
✅ A/C Service & Repair
A malfunctioning A/C can make long-haul trucking uncomfortable and unsafe. We service:
✔ A/C compressors & condensers
✔ Refrigerant recharges
✔ Blower motor & cabin filter replacements
✅ Mobile Fleet Washing & Cleaning Services
A clean fleet enhances your company’s image and protects vehicle components from corrosion and buildup. We offer:
✔ Exterior truck washing
✔ Engine degreasing
✔ Underbody & chassis cleaning
Why Choose Novak Diesel for Heavy Truck Repair?
✔ Experienced Diesel Mechanics – Our team specializes in heavy-duty truck repair and maintenance, ensuring top-tier service for all major truck brands.
✔ 24/7 Emergency Roadside Assistance – We know that downtime costs money. Our mobile service team provides on-site repairs and emergency breakdown services.
✔ OEM & High-Quality Aftermarket Parts – We use only top-quality parts to ensure long-lasting repairs and peak performance.
✔ Custom Fleet Maintenance Programs – We create tailored service plans for fleets, minimizing downtime and extending the lifespan of your trucks.
Schedule Your Heavy Truck Repair or Fleet Service Today!
📞 Contact Us
📍 Service Area: Bay City, TX, Beeville, TX, Corpus Christi, TX, Cuero, TX, Edna, TX, El Campo, TX, Goliad, TX, Gonzales, TX, Hallettsville, TX, Houston, TX, Inez, TX, Louise, TX, Moulton, TX, Point Comfort, TX, Port Lavaca, TX, Shiner, TX, Victoria, TX, Wharton, TX, Yoakum, TX, Yorktown, TX