Diesel Truck Repair Shop in Monroe & Charlotte, NC
Down on the side of the road or just need your rig back fast? Our certified diesel technicians fix engines, brakes, DPF, and electrical for trucks and trailers, and get you hauling again.
Looking for a diesel truck repair shop that keeps your equipment moving? G Smart Service in Monroe, NC is a full-service diesel truck repair shop serving Charlotte, Indian Trail, Matthews, and the surrounding area. Our certified diesel technicians handle engine diagnostics, brakes, electrical systems, DPF and aftertreatment, and everything in between for semi-trucks, box trucks, and heavy-duty diesels. Whether it is a quick fix or major engine work, we find the problem fast and get you back on the road. Call (980) 318-0425 to schedule service or bring your truck to our shop.
Diesel Truck Repair Services
From routine maintenance to major repairs, our shop covers the full range of diesel truck and trailer work under one roof.
| Service | What it covers |
|---|---|
| Engine Diagnostics & Repair | Check-engine codes, performance loss, overheating, and full engine work on heavy-duty diesels. |
| Brake Repair | Air and hydraulic brake service for trucks and trailers, including pads, drums, and lines. |
| DPF & Aftertreatment | DPF cleaning, regeneration issues, DEF system and emissions-related repairs. |
| Electrical & APU Repair | Alternators, starters, wiring, lighting, batteries, and APU/EPU systems. |
| Fuel & Turbo Systems | Injectors, fuel pumps, turbochargers, and air intake repairs. |
| Cooling & Drivetrain | Radiators, cooling systems, clutches, transmissions, and driveline service. |
| Tire Repair & Replacement | Flat repair, mounting, balancing, and replacement for trucks and trailers. |
| Preventive Maintenance (PM) | Scheduled PM service, oil changes, and inspections to keep your fleet road-ready. |
A Diesel Shop Built Around Uptime
Diesel Trucks & Trailers We Work On
- Semi-trucks and 18-wheelers
- Box trucks and straight trucks
- Dump trucks and work trucks
- Heavy-duty pickups and diesel vans
- Trailers, including brakes, lights, and liftgates
Serving Monroe, Charlotte & Union County
Our diesel truck repair shop is located in Monroe and serves drivers and fleets across the greater Charlotte area, including Indian Trail, Stallings, Matthews, Waxhaw, and surrounding Union County. If you are searching for a diesel truck repair shop near you, we are an easy stop right off N Rocky River Rd.
G Smart Service LLC
3501 N Rocky River Rd, Monroe, NC 28110
Phone: (980) 318-0425
How a Repair Works
- Call or stop in. Tell us the truck, the symptoms, and your timeline. Call (980) 318-0425 or drop by the shop.
- Diagnosis. Our technicians inspect and run diagnostics to pinpoint the real problem, not just the symptom.
- Clear estimate. You get the repair plan and the price before any work begins. No surprises.
- Repair and road test. We complete the work, verify the fix, and get you back to hauling.
Visit the Shop
Address: 3501 N Rocky River Rd, Monroe, NC 28110
Phone: (980) 318-0425
Hours: Mon-Fri 9:00 AM – 7:00 PM · Sat-Sun Closed
Diesel Truck Repair FAQ
- Do you work on semi-trucks and 18-wheelers?
- Yes. Our diesel truck repair shop services semi-trucks, box trucks, dump trucks, and heavy-duty diesels, plus trailers.
- How fast can you get my truck back on the road?
- Turnaround depends on the repair and parts, but we prioritize getting commercial trucks moving quickly. Call us with the details for a realistic timeline.
- Do you offer roadside or mobile diesel repair?
- Yes. If your truck breaks down on the road, ask about our mobile and roadside service so you do not always need a tow to the shop.
- Where is your shop located?
- We are at 3501 N Rocky River Rd in Monroe, NC, serving Charlotte, Indian Trail, and the surrounding Union County area.
- Do you service fleets?
- We do. From a single truck to a full fleet, we handle repairs and preventive maintenance to keep your equipment road-ready.
- How do I get a quote?
- Call (980) 318-0425 with your truck and the issue. We diagnose first, then give you the price before any work starts.
Get Your Diesel Truck Repaired Today
Do not let downtime cost you another load. Call our diesel truck repair shop in Monroe and get back on the road fast.
Call (980) 318-0425