Undercar Services

Undercar Services
Undercar Services

Comprehensive Undercar Services for a Stronger, Safer Ride

Your diesel truck’s undercarriage is its foundation. It supports major systems including brakes, suspension, drivetrain, exhaust, and chassis components. At RG Diesel, LLC in Greeneville, TN, we provide thorough undercarriage services designed specifically for heavy‑duty diesel platforms such as Powerstroke, Cummins, and Duramax. From routine inspections to targeted repairs, our technicians help keep your truck safe, stable, and operating efficiently.

Call 423‑823‑9987 or visit 3460 W Andrew Johnson Hwy to schedule your undercar service today.

Why Undercar Inspections Matter

The undercarriage endures constant exposure to road debris, weather, and mechanical stress. Over time, components can wear, corrode, or shift out of alignment. Regular undercar inspections help catch issues early and prevent:

  • Uneven tire wear
  • Suspension failures
  • Frame corrosion
  • Excessive vibration
  • Brake degradation
  • Exhaust leaks

Early detection keeps your diesel truck on the road longer and with fewer unexpected breakdowns.

Undercar Services We Provide

Anti‑Lock Brake (ABS) System Diagnosis & Repair

ABS systems play a critical role in stopping safety, especially for diesel trucks carrying heavy loads. We test sensors, wiring, and module function to ensure your ABS operates reliably.

Brake System Support

From pads and rotors to hydraulic lines, we inspect and service brake components mounted on your truck’s undercarriage so braking force remains strong and consistent.

Chassis Inspection & Repair

A solid chassis ensures structural integrity and proper geometry for all undercar components. We assess frame condition and alignment to support safe handling and load distribution.

Exhaust System Service

Undercar inspections include a close look at the exhaust system. We identify leaks, rust, or damaged hangers and provide repairs or replacements that preserve performance and reduce noise.

Driveline & Differential Checks

We inspect driveline components such as driveshafts, U‑joints, and differential housings for wear and proper lubrication, ensuring smooth power delivery from engine to wheels.

Shock Absorber & Strut Evaluation

Shocks and struts absorb impact and stabilize your truck. We test and replace worn units to maintain ride comfort and control under load.

Strut & Spring Mount Status

Suspension mounts and springs take the brunt of bumps and heavy loads. We inspect them for wear and replace components that cause sagging or instability.
Why Diesel Undercar Care Is Essential

Diesel trucks often face heavier loads, tougher terrain, and longer drive times than lighter vehicles. The undercarriage supports all of this, and neglecting it can lead to costly repairs and safety risks. Comprehensive undercar service helps ensure:

  • Better handling and stability
  • Improved braking reliability
  • Longer life for suspension components
  • Fewer roadside breakdowns
  • More predictable performance under load

At RG Diesel, LLC, our undercar services are part of a complete diesel care strategy tailored to your truck’s workload and mileage.

Undercar Services FAQs

How often should a diesel truck undercarriage be inspected?

We recommend a detailed undercar inspection at least once a year or with every major maintenance service, especially if the truck sees heavy use.

Can undercar issues affect tire wear?

Yes. Misaligned or worn undercar components can lead to uneven tire wear or premature tire failure.

Are exhaust leaks visible under the truck?

Often yes. During undercar inspections we check hangers, pipes, connections, and mufflers so leaks are found early.

Does suspension wear show up during an undercar check?

Absolutely. Worn shocks, springs, or mounts are easy to spot and can be addressed before they affect ride quality.

Will undercar service include lubrication points?

Yes. Greasing U‑joints, steering linkages, and other serviceable points is part of our inspection process.

At RG Diesel, we fix it right the first time with expert service, dependable workmanship, and honest communication you can count on.

Contact Us

Hours Mon - Fri: 8:00 am - 5:00 pm
Service Area East Tennessee, Northeast TN, Southern VA, Tri-Cities area
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