Semi Truck Repair & Service in Boston, MA

At The Pete Store , we’re proud to be recognized as an award-winning semi truck service and one of the most highly rated semi truck services in Boston. Our commitment to excellence, precision, and honesty has made us on of the best semi truck repair services in Boston. Whether you’re an owner-operator or manage a fleet, our certified technicians deliver expert maintenance and repairs on all makes and models of semi trucks. From long-haul sleepers to regional day cabs, we’ll keep your truck reliable, compliant, and road-ready.

Types of Semi Trucks We Service

We work on every type of semi truck, including sleepers, day cabs, car haulers, general freight haulers, reefer haulers, flatbed haulers, tank haulers, heavy haulers, and more. Our technicians are trained to handle all major brands — Peterbilt, Kenworth, Freightliner, Volvo, International , Mack, and Western Star — with comprehensive diagnostics and OEM-quality parts. No matter what you drive or haul, our Boston service center has the tools and expertise to keep your truck moving safely and efficiently.

Semi Truck Engine Repair

When your engine isn’t performing at its best, it affects your entire operation. Our semi truck engine repair services cover turbochargers, fuel injectors, head gaskets, EGR systems, oil pumps, camshafts, cooling systems, and more. We specialize in diagnosing and repairing Cummins, PACCAR, Caterpillar, Detroit Diesel, and Volvo engines, restoring lost power, fuel efficiency, and reliability. Whether you’re dealing with oil leaks, hard starts, or performance issues, our expert technicians get the job done right the first time.

Semi Truck Preventative Maintenance

Prevent downtime and extend the life of your truck with comprehensive preventative maintenance services. We handle oil and filter changes, DEF system inspections, coolant flushes, belt and hose checks, chassis lubrication, and complete DOT inspections. Our flexible maintenance programs are designed to reduce costly breakdowns and keep your truck operating at maximum efficiency mile after mile.

Semi Truck Brake Service

Your truck’s braking system is one of its most critical safety components. We provide full semi truck brake service, including air brake repair, brake chamber and slack adjuster replacement, ABS diagnostics, drum and rotor resurfacing, and hydraulic brake line service. Whether your truck uses disc or drum brakes, we ensure every component meets DOT safety standards and delivers maximum stopping power under load.

Semi Truck Transmission Repair

Smooth shifting and dependable performance start with a properly maintained transmission. Our semi truck transmission repair and rebuild services cover Eaton Fuller, Allison, and Meritor transmissions. We repair and replace clutches, gear synchronizers, torque converters, seals, and hydraulic systems, ensuring your truck delivers the torque and reliability you depend on for every haul.

Semi Truck Electrical Repair

Electrical problems can stop your truck cold. Our semi truck electrical repair services include troubleshooting and repairing batteries, alternators, starters, wiring harnesses, lighting systems, and sensors. From diagnosing short circuits and no-start issues to fixing faulty ECM connections, our technicians restore proper electrical function and prevent recurring issues.

Semi Truck A/C and Heating Repair

Stay comfortable and productive in every season with our semi truck A/C and heating repair services. We service compressors, condensers, evaporators, blower motors, and heater cores, and perform refrigerant recharge and HVAC control diagnostics. Our technicians make sure your climate control system keeps you cool in the summer and warm in the winter—because driver comfort is essential for uptime.

Semi Truck Diagnostics

Our diagnostics system pinpoints problems in engine control modules (ECMs), transmission control units (TCUs), ABS modules, DEF systems, and emission sensors. Our expert technicians read fault codes and provide accurate, efficient repairs—saving you time, money, and unnecessary part replacements.

Semi Truck DPF and DOC Cleaning

Keep your emissions system in peak condition with our semi truck DPF (Diesel Particulate Filter) and DOC (Diesel Oxidation Catalyst) cleaning services. We remove soot and ash buildup, restoring proper exhaust flow and performance. Our team services all major aftertreatment systems—Cummins, Detroit Diesel, PACCAR, Caterpillar, and Volvo—to prevent regen issues, loss of power, and costly downtime. Regular DPF and DOC maintenance ensures your truck remains compliant with EPA regulations and runs cleaner and more efficiently.

Experience Boston’s Best

At The Pete Store , we’re more than just a repair shop — we’re Boston’s trusted partner for dependable semi truck service. Our expert technicians, high Google ratings, and commitment to precision make us the clear choice for the best semi truck repair service in Boston. Whether you need a full engine overhaul, a quick inspection, or scheduled fleet maintenance, our team is here to keep your rig on the road where it belongs.

Come visit The Pete Store in Boston: