Diesel Repairs in Ronkonkoma, NY

Even a “small” accident can cause big problems. Misaligned frames, cracked mounts, or unseen damage risk your safety and schedule. Heavy-duty and medium-duty collision repair helps you uncover everything and return your truck to its pre-accident shape.

If you hear rattling, smell fumes, or see too much smoke, you need to address the issue immediately. Ignoring exhaust issues risks engine damage, EPA fines, and unsafe driving conditions. Medium and Heavy-duty exhaust repair helps you fix the root cause and keep your trucks compliant and efficient.

Notice sluggish acceleration, poor mileage, or engine codes piling up? These are signs your ECM isn’t tuned to your demands. With our heavy-duty and medium-duty truck ECM tuning and diagnostics, you regain power, efficiency, and uptime.

Declining power, slow shifts, and noisy drivetrains often trace back to something simple: neglected fluids. Our heavy-duty and medium-duty oil and fluid services help you extend service life, improve response, and keep your fleet running strong where it matters most.

Every time the check engine light flashes, your day gets harder. Soot buildup and clogged filters slow you down, burn fuel, and risk fines. Heavy-duty and medium-duty EGR and DPF repair clears the problem so you can run cleaner and stronger.

No airflow, weak A/C, or heat that never kicks in? That's going to make every haul an absolute misery. Our heavy-duty and medium-duty HVAC repair helps you bring back reliable cabin comfort, reduce driver fatigue, and keep your fleet moving in any season.

Sloppy gear changes or clutch drag can quickly sideline your fleet. If left unchecked, it leads to costly downtime and major driveline repairs. Our transmission and clutch repair gets you back to smooth, controlled, and confident performance in your heavy-duty and medium-duty trucks.

Every mile you push a hot-running engine is a gamble. With heavy-duty and medium-duty coolant system repair, you stay ahead of failures, cut repair costs, and make sure your trucks run cool, no matter how hot it is outside.

Seeing leaks, sagging panels, or daylight through your trailer roof? These small issues turn into major repairs fast. Our truck and trailer roof repair services help you seal damage early and keep your equipment protected and road-ready.

That vibration or drivetrain noise is only getting worse. And once your U-joints or yoke give out, you’re stuck. Our heavy-duty and medium-duty driveline repairs keep your fleet rolling smoothly, aligned, and safe from sudden, costly failures. Don't wait: book your service now!

Dragging roll-up doors or jammed swing doors slows down every job. Left unchecked, they can lead to compliance issues or damaged freight. Our roll-up and swing door repair keeps your trailer sealed, secure, and fully functional.

You rely on your trucks to haul, stop, and protect every mile. But when braking feels off, it’s a signal you can’t ignore. With our heavy-duty and medium-duty brake repair, you stay ahead of wear, avoid violations, and keep every journey on schedule.

Every rough ride and sagging axle indicates something’s off underneath. With heavy-duty and medium-duty suspension repair, you take the bounce out of your haul, improve steering control, and make long miles feel a whole lot smoother.

Your tires are wearing unevenly, your steering wheel’s off-center, and highway sway is stressing every mile. Ignore it, and you're throwing money at tires and risking safety. Our heavy-duty and medium-duty alignment service brings performance and stability back to your fleet.

Your truck won’t start, warning lights flashing on your dashboard, and nothing makes sense under the hood. When electrical issues stack up, extended downtime is just around the corner. Luckily, we've got the solution: our heavy-duty and medium-duty diagnostic and electrical repairs!

Power loss, overheating, or engine knock are all red flags that you can't afford to ignore. Our heavy-duty and medium-duty engine repair, overhaul, & conversion services let you rebuild, upgrade, or convert for reliability that lasts.

Every dent, scratch, or cracked panel chips away at how your business is seen and weakens the structure of your trucks. With expert heavy-duty and medium-duty bodywork, you maintain the look of a fleet that’s trusted, respected, and ready to deliver every time your trucks hit the road.