General Auto Repair in Chattanooga, TN
Diagnostic & Repair Work You Can Trust
When your check engine light comes on, your car starts making a noise it's never made before, or something just feels "off" behind the wheel, you need a shop that can actually figure out what's wrong — not just guess and start swapping parts. That's the role general auto repair plays at Blackwell Automotive: it's the diagnostic and repair work that doesn't fall neatly into a scheduled maintenance interval, but that keeps your car safe, reliable, and off the side of the road.
Since 2004, our Chattanooga shop has specialized in Lexus, Toyota, Nissan, Acura, Honda, Infiniti, and Subaru vehicles. Working almost exclusively on these makes means our technicians see the same electrical systems, drivetrains, and common failure points day in and day out. When your Camry's transmission hesitates or your CR-V throws an unfamiliar code, we've likely already diagnosed that exact issue on a dozen similar vehicles this year. (Note: we do not currently service European brands such as Audi, Volkswagen, or BMW.)
What general repair covers:
- Check engine light and diagnostic code investigation
- Starting, charging, and electrical system troubleshooting
- Engine performance issues (rough idle, stalling, loss of power, hesitation)
- Suspension and steering repairs (struts, shocks, ball joints, tie rods)
- Exhaust system repair
- Air conditioning and heating system repair
- Timing belt/chain and water pump replacement
- Check-engine and warning-light diagnosis using manufacturer-level scan tools
Signs it's time to bring your car in:
- The check engine, ABS, or traction control light is on
- You hear grinding, clunking, or squealing that wasn't there before
- The car pulls to one side, vibrates, or feels unstable at speed
- You smell burning, fuel, or coolant inside or around the vehicle
- Fluid spots are showing up under the car in your driveway
- The engine takes longer to start, idles rough, or stalls unexpectedly
Why Chattanooga drivers choose Blackwell for general repair:
Every general repair we perform comes with a one-year warranty, and we always provide a written estimate before any work begins — no surprise charges when you pick up your keys. Because our team specializes in a focused set of Asian import brands rather than "everything," our diagnostic time is typically faster and our parts knowledge runs deeper than a general all-makes shop. We'll walk you through exactly what we found, what it means for your car, and what your options are — no pressure, no upselling work you don't need.
A note on cost: general repair costs vary widely depending on what's actually wrong — a sensor replacement and a transmission repair are very different jobs. That's exactly why we diagnose first and quote before we touch anything, so you know what you're agreeing to.
If something doesn't feel right with your vehicle, don't wait for it to get worse. Contact us or call 423-401-6228 to schedule a diagnostic appointment.




