Truck Engine Repair Services in Raleigh, NC

Diesel Engine Repair in Raleigh, NC

To keep your fleet performing, regular engine maintenance is a must. When your business relies on your engine to keep running, you need a team you can trust to keep you running. At Triangle Fleet Services, we why we take a long-term approach, focusing on precision repairs, routine engine care, and performance strategies that reduce downtime and extend asset life. If your diesel engine starts giving you trouble, visit our shop and our Triangle Fleet Services team will  pinpoint the diagnostics and provide expert fixes that keep your trucks moving without compromise.

Whether you manage a few work trucks or a large-scale fleet, our team is equipped to handle your engine service needs with clarity, consistency, and care.

Expert Service, Every Time

Your fleet depends on strong, reliable engine performance day in and day out. Our technicians use advanced diagnostics and real-world experience to keep your powertrains running smoothly. Skip the guesswork, and work with a team that knows how to keep fleets running. 

Our engine services include:

• Compression testing and cylinder diagnostics
• Injector and turbocharger replacements
• Valve and timing system repairs
• Oil pressure and crankshaft bearing fixes
• ECM troubleshooting and tuning

Professional Engine Repairs for your Diesel

Your fleet needs more than a team that runs general engine diagnostics. You need a team that knows engines inside and out. As your diesel specialists, we are proud to serve the industry’s leading diesel platforms. Whether your fleet runs Cummins, Detroit Diesel, PACCAR, Navistar, Volvo/Mack, Hino, or Isuzu engines, our technicians bring manufacturer-specific knowledge to every repair. We handle everything from EGR and DPF issues to full in-frame rebuilds, using advanced diagnostics to pinpoint faults and restore performance. No matter the make, we provide accurate repairs that meet OEM standards and keep your trucks moving reliably.

Fleet-Focused Engine Care

Our diesel engine work supports performance, planning, and operational efficiency. We understand how small issues compound across multiple vehicles, and how vital consistency is for your maintenance program. That’s why we deliver professional communication, detailed service records, and repairs aligned with your fleet’s schedule, not just our calendar..

We offer:

• Complete gasket and seal replacements
• Piston, liner, rod, and bearing service
• Timing and valve train rebuilds
• Oil pan and camshaft repairs
• Turbo, manifold, and flywheel upgrades

We’re here when your fleet needs engine repairs to restore reliability without the need for a new truck. 

Contact Us About Truck Engine Repair Now: Call 919-659-5497!

If your engine starts giving you grief, don't wait until it gets worse before getting your rig in for a fix. Call Triangle Fleet Services at 919-659-5497 and get expert service from a team that knows diesel engines inside and out.

FAQs

What Areas Do You Serve For Heavy-Duty Engine Repair?

Looking for heavy-duty engine repair? We're here to serve Raleigh, NC and the surrounding areas of Durham, Creedmoor, Holly Springs,  Chalybeate Springs, and Zebulon.

How Do I Know If My Fleet Truck Needs Engine Service?

Watch for indicators like decreased power, increased fuel usage, warning lights, engine vibration, or hard starts. Even subtle changes in performance can signal the need for diagnostics or preventative service.

Can You Upgrade My Engine for More Towing Power?

Yes. We offer performance conversions and engine modifications, including turbo upgrades, fuel system tuning, and ECM recalibration, all designed to deliver increased torque and efficiency.

What Makes Triangle Fleet Different for Engine Repairs?

We take a fleet-first approach, offering expert diagnostics, transparent service recommendations, and repairs that align with your operational schedule. Our work is backed by ASE-certified technicians and a strong commitment to building long-term partnerships.

How Can I Get Diesel Engine Repair in Raleigh, NC?

Just call 919-659-5497 to schedule an appointment. Whether it's a quick fix or a complete engine overhaul, we're ready to get your truck back on the road.