General Services

General Services

Reliable General Services for Diesel Trucks & Fleets

At RG Diesel, LLC in Greeneville, TN, we offer a wide range of general services designed specifically for heavy‑duty diesel trucks. Whether you operate a work fleet, a daily driver, or a high‑performance tow rig, our expert technicians deliver reliable care for the systems that keep your diesel truck running strong.

From routine maintenance to inspections and smaller repairs, our goal is simple: get your truck back on the road with confidence and keep it there.

What Our General Diesel Services Include

Scheduled Maintenance & Tune‑Ups

Routine check‑ups help catch small issues before they become costly problems. We inspect core systems, change fluids and filters, and make adjustments to keep your diesel truck operating smoothly.

Full Vehicle Inspections

Whether you’re preparing for a long trip or servicing a commercial fleet, our thorough inspections cover the engine, electrical systems, brakes, suspension, and more to give you a complete picture of your truck’s condition.

Oil, Filter & Fluid Exchanges

Keeping your fluids fresh is a key part of diesel care. We handle oil, coolant, transmission fluid, brake fluid, and other essential fluid services on schedule to protect your engine and drivetrain.

Brake System Checks & Services

Safe stopping power is critical, especially for diesel trucks under heavy loads. We inspect, adjust, and repair brake components to maintain consistent, dependable performance.

Cooling System Services

Diesel engines produce significant heat. Our cooling system services— including coolant level checks, hose inspections, and radiator care — help prevent overheating and protect your engine.

Electrical & Lighting Services

From battery tests to charging system checks and lighting repairs, we diagnose and fix electrical problems that can affect performance, safety, and reliability.

When to Bring Your Diesel Truck In

Even if your diesel truck seems to be running fine, regular general services help maintain peak performance and prevent unexpected breakdowns. You should bring your truck in for general service if:

You’ve reached a mileage milestone
Warning lights appear on the dashboard
You notice unusual noises, smells, or drives
You plan a long trip or heavy towing
You want a full inspection before a purchase or sale

Why Choose RG Diesel for General Diesel Services

Diesel trucks aren’t just bigger versions of gas vehicles — they operate under different stresses and require diesel‑centric care. Our team understands how diesel systems work together and how to keep them performing for years of reliable use. We focus on clear communication, professional service, and repairs that help minimize downtime and maximize uptime.

Diesel General Services FAQs

How often should I have general service performed?

We recommend general service at every major maintenance interval or at least every 7,500–10,000 miles, depending on your truck’s workload and conditions.

Can general service prevent costly repairs later?

Yes. Regular checks help catch small issues early before they lead to major components failing.

Do you inspect fleets for DOT compliance?

Yes. We offer full inspections to support safety compliance and documentation.

Can general service catch electrical problems early?

Absolutely. Electrical diagnostics are part of our general service checklist to identify hidden issues.

Is this service suitable for performance diesel trucks?

Yes. Whether your truck is a daily driver, tow rig, or performance diesel, our general services keep it operating reliably.

Top Diesel Mechanics in Greeneville

Need Help? Call Us Now

(423) 823-9987