West Union, Ohio
When Your Diesel
Needs More Than
a Tune-Up
Heavy-duty diagnostics, diesel repair, and complete auto service — built for the trucks and work vehicles that keep Ohio running.
What We Do
Complete Auto & Truck Service
From routine maintenance to complex diesel diagnostics, we keep your vehicles on the road — reliably and on time.
Diesel Engine Repair
Complete diesel diagnostics, fuel system service, turbocharging, and engine overhauls for Class 4–8 trucks and heavy equipment.
Diagnostic Trouble Codes
Advanced OBD and J1939 scanning to pinpoint electrical, sensor, and computer issues — no guesswork, just accurate readings.
Preventive Maintenance
Scheduled oil changes, fluid services, brake inspections, and fleet maintenance programs designed to prevent roadside breakdowns.
Brake & Suspension
Full brake system service including pads, rotors, calipers, and air-brake repair for commercial and heavy-duty vehicles.
Transmission Service
Automatic and manual transmission diagnostics, fluid service, clutch replacement, and rebuilds for trucks and heavy vehicles.
Commercial Fleet Service
Bulk maintenance for local fleets — scheduling, documentation, and priority service to keep your business moving without delay.
About Us
Trusted Mechanics
in West Union
Flannery's Auto and Truck has been serving West Union and the surrounding communities with honest, straightforward auto and truck repair. We know that when your vehicle — especially a work truck or diesel — goes down, it's not just an inconvenience. It's lost income.
Our shop is equipped to handle everything from routine oil changes and brake service to complex diesel diagnostics and heavy-duty transmission work. We treat every customer the same: with clear communication, fair pricing, and work that holds up on the road.
Why Choose Us
Built Different.
That's the Point.
We're not a chain shop. We're a local garage with the right tools, the right knowledge, and the kind of experience that comes from doing this work every day — for real customers, not just vehicles on a conveyor belt.
- Deep experience with diesel engines and commercial truck systems
- Honest assessments — no unnecessary upsells or inflated repair lists
- Modern diagnostic equipment for accurate, efficient troubleshooting
- Convenient West Union location with straightforward scheduling
- Work we stand behind — quality repairs that last
Get Started
Your Truck Deserves
a Shop That Gets It
Whether it's a scheduled maintenance visit or an unexpected breakdown, Flannery's Auto and Truck is here to get you back on the road — fast, fairly, and right the first time.
Contact
Visit Us or
Give Us a Call
West Union, OH 45693-9029
Sat – Sun: By Appointment
Send Us a Message
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