Warren County Diesel Repair

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About Warren County Diesel Repair
Warren County Diesel Repair operates as a diesel engine and general auto repair shop at 5435 Robinson Vail Road in Franklin, Ohio. The business holds a 4.1-star rating compiled across 108 customer reviews, positioning it among the more frequently reviewed independent repair facilities in the greater Dayton-Cincinnati corridor. Serving Franklin and neighboring communities, the shop provides both diesel-specific maintenance and broader automotive repair services under the Warren County name.
The shop emphasizes fleet maintenance capabilities for commercial clients in the Franklin area, offering what the website describes as expert fleet services. Their operational model centers on quick turnaround, with many routine maintenance tasks completed within hours of customer arrival. The facility maintains standard weekday hours from 8 AM to 6 PM Monday through Friday, with Saturday and Sunday reserved for emergency callbacks rather than walk-in service.
Customer reviews highlight several team members by first name. One reviewer described Steve assisting at the end of a business day, diagnosing a non-diesel vehicle issue, ordering a part, and completing the repair within an hour. Another account detailed the team accommodating a commercial truck driver with an engine bearing failure on a Friday afternoon, arranging transportation and securing a replacement part within two hours. A third reviewer noted a same-day engine derate light repair completed within two and a half hours for a towing service, with the work described as reasonably priced.
What Customers Say
Three of four detailed reviews award five stars, with customers specifically praising same-day turnaround, willingness to help after hours, and fair pricing. The single one-star review centers on a used truck purchase dispute rather than repair quality, and does not describe the actual mechanical work performed.
Working Hours
| Sunday | Closed |
| Monday | 8 AM–6 PM |
| Tuesday | 8 AM–6 PM |
| Wednesday | 8 AM–6 PM |
| Thursday | 8 AM–6 PM |
| Friday | 8 AM–6 PM |
| SaturdayToday | Closed |
Services
Diesel Engine Repair
Diagnosis and repair of light-duty and heavy-duty diesel engines including inline-six and V8 configurations.
Diesel Engine Maintenance
Routine diesel maintenance including fuel system service, filter replacements, and interval-based inspections.
Fleet Maintenance Programs
Scheduled maintenance packages for commercial fleets emphasizing reduced vehicle downtime.
General Automotive Repair
Auto repair services extending beyond diesel to gasoline-powered vehicles as needed.
Transmission & Drivetrain Service
Transfer case and drivetrain diagnostics, repair, and replacement services.
Engine Diagnostics
Computerized diesel engine diagnostics with same-day problem identification and parts ordering.
Emergency Roadside Repairs
After-hours emergency call availability for stranded commercial and passenger vehicles.