Medium to Heavy-Duty Commercial Truck Repair & Service in Greenville, SC

At  The Pete Store  , we take pride in being the best commercial truck repair service in Greenville, offering expert maintenance and repair for all makes and models of medium- and heavy-duty trucks. Our award-winning, highly rated commercial truck service on Google is trusted by drivers and fleet managers across South Carolina for our commitment to quality, speed, and reliability. Whether you operate one truck or manage an entire fleet, our certified technicians ensure your vehicles stay on the road longer and perform at their best.

Types of Commercial Trucks We Service

We specialize in servicing a wide variety of commercial vehicles, including semi trucks, dump trucks, roll-off trucks, trash loaders, box trucks, tank trucks, flatbeds, refrigerated trucks, car haulers, tow trucks, and more. From Peterbilt and Kenworth to Freightliner, Volvo,  International  , and Mack, our shop is fully equipped with state-of-the-art diagnostic tools and OEM or high-quality aftermarket parts to handle every make and model with precision.

Commercial Truck Engine Repair

Our OEM-certified technicians provide full-service commercial truck engine repair for Cummins, PACCAR, Caterpillar, Detroit Diesel, and Volvo engines. Whether it’s fuel injector replacement, turbocharger repair, head gasket replacement, EGR system cleaning, or aftertreatment system service, we deliver expert workmanship to restore peak performance and fuel efficiency. No matter the issue—overheating, loss of power, or hard starts—our team will diagnose and fix it right the first time.

Commercial Preventative Maintenance

Stay ahead of costly breakdowns with our preventative maintenance services, including oil changes, fluid checks, filter replacements, belt and hose inspections, and lubrication services. We offer scheduled maintenance programs designed to maximize uptime and reduce long-term costs—ideal for owner-operators and fleet managers alike.

Commercial Truck Brake Service

Your safety depends on reliable braking performance. We provide full commercial truck brake service, including air brake system repair, brake chamber replacement, ABS diagnostics, rotor and drum resurfacing, and brake line repair. Our technicians inspect every component to ensure compliance with DOT standards and maximum stopping power.

Commercial Truck Transmission Repair

From automatic to Eaton Fuller manual transmissions, we perform complete transmission repair and rebuilds. Our team services clutches, torque converters, shift linkages, and hydraulic systems to ensure smooth, efficient gear changes. We’ll diagnose slipping, grinding, or shifting issues to get your truck back to hauling powerfully.

Commercial Truck Electrical Repair

Electrical issues can take your truck off the road fast. Our commercial truck electrical repair services cover battery systems, alternators, starters, lighting systems, and wiring harnesses. Whether you’re dealing with shorts, no-starts, or sensor malfunctions, our experts will find and fix the fault quickly and accurately.

Commercial Truck A/C and Heating Repair

Stay comfortable in every season with our A/C and heating repair services. We handle compressor replacements, evaporator repairs, refrigerant recharges, blower motor replacements, and full HVAC system diagnostics. A properly functioning climate system keeps drivers productive and components protected from temperature extremes.

Commercial Truck Diagnostics

Our shop uses advanced computer diagnostics to quickly pinpoint issues in engine control modules (ECMs), transmission control units (TCUs), ABS systems, and emissions systems. With cutting-edge technology and experienced technicians, we ensure accurate repairs and minimized downtime.

Fleet Truck Service & Repair

For businesses operating multiple vehicles, our fleet truck service and repair programs are tailored to your operational needs. We offer custom maintenance schedules, priority service, and bulk service discounts to help you keep every truck in your lineup running efficiently.

Come visit  The Pete Store  in Greenville: