Full-service auto & diesel
Everything your vehicle needs,
under one roof.
From an oil change to a diesel engine rebuild, Appalachian Auto & Diesel handles it all for cars, trucks, SUVs, fleets, and diesels across Athens and Northeast Georgia — with honest diagnosis and quality work.
Diagnostics & Drivability
Engine & Transmission
Brakes, Steering & Suspension
Heating, Cooling & Electrical
A/C & Heating
Blowing warm in a Georgia summer? We find the leak and fix the cold.
Cooling System
Overheating, leaks, water pumps, thermostats, and coolant service.
Battery & Charging
No-starts, dead batteries, and charging problems — diagnosed and fixed.
Exhaust Repair
Leaks, rattles, rust-outs, mufflers, and sensors — quiet it back down.
Preventive Maintenance
Oil Changes
Conventional, synthetic, and diesel oil service — with a real once-over.
Scheduled Maintenance
Your 30/60/90K services done right — keep the warranty, skip the breakdowns.
Tire Service
Mounting, balancing, rotation, and repair to make tires last and ride smooth.
Belts & Hoses
The cheap parts that strand you when they fail — caught before they do.
Pre-Purchase Inspection
Know what you're buying — especially on a used diesel — before you sign.
Diesel Specialists
Diesel Repair
Duramax, Cummins, and Power Stroke — diagnosed and repaired by people who know them.
Diesel Diagnostics
Power loss, codes, derates, and rough running — diagnosed to the root.
FASS Fuel Systems
Authorized FASS dealer — water, air, and contaminants out; injector life in.
BD Diesel Performance
Authorized BD Diesel dealer — towing, reliability, and drivability upgrades.
Fuel & Injection
Injectors, lift pumps, CP pumps, and fuel contamination — the diesel's heart.
Turbocharger Service
Whining, smoking, or down on boost? Turbo diagnosis, repair, and upgrades.
EGR & DPF Service
Emissions-system service, cleaning, and FASS EGR Solutions filtration — done legal.
Diesel Transmissions
Heat kills tow-rig transmissions. We service and upgrade them to survive the load.
Fleet & Specialty
Fleet Maintenance
Keep your work trucks earning — scheduled service and fast repair for fleets.
Commercial Repair
Work trucks, vans, and equipment kept running for local businesses.
GM & Duramax
Deep experience with GM vehicles and the Duramax diesel platform.
Powersports
Motorcycles, ATVs, and side-by-sides — service and repair for your toys and tools.
Towing
Broken down? Through our Athena Towing partnership, we can get you to the shop.
Authorized FASS & BD Diesel dealer
Not sure what you need? Just ask.
Tell us what your vehicle is doing and we'll tell you straight what it likely is, what it takes to fix, and a fair price — before any work starts.