Over 100 Years of Customer Service in East Tennessee and 60 Years in Oak Ridge

Since 1914, motorists in East Tennessee have counted on RT Clapp to keep their cars on the road. And we begin our second century by announcing the RT Clapp Assurance:

Whatever the problem with your vehicle, we’ve probably seen it before.
Our ASE certified technicians have been trained to fix your vehicle’s problem.
We’ve invested in state-of-the art equipment and diagnostic technology so that we’re equipped to keep your vehicle running at peak performance.
Robinair AC Diagnostic Machine
While other facilities have come and gone, RT Clapp has built a rock-solid reputation over the past 100 years.
Our customers know that RT Clapp has the equipment, training and expertise to provide dealer-level service with the convenience and pricing that sets us apart. Our customer service managers have been behind the counter for years, getting to know our customers and their vehicles.
Because of our experience, training, technology and most of all our reputation, you can join the thousands of our happy customers who trust RT Clapp to honestly and ethically service and repair their vehicles.

Visit our recently remodeled facilities!

In keeping with our commitment to customer service, we’ve built a presence on the Web that allows existing customers to review their vehicles’ service history, schedule service appointments, and contact us 24-7.

RT Clapp – earning our customers’ trust for over 100 years.

RT Clapp Shop at Night
Image Gallery -Service under the hood, customer lounge, technician in front of tool box, technician working under car on lift

Brands we service: Acura •  Buick • Cadillac • Chevrolet • Chrysler • Dodge • Ford • GMC • Honda • Hyundai • Infiniti •  Jeep • Kia • Lexus • Lincoln • Mazda • Mitsubishi • Nissan • Oldsmobile • Pontiac • Subaru • Suzuki • Toyota

Our Services:

  • Maintenance Service
  • Engine Services
  • Transmission Service
  • Suspension Systems
  • Cooling Systems
  • Brake Systems
  • A/C & Heating Systems
  • Tire Services

Hours of Operation
Knoxville and Oak Ridge
Monday - Friday: 7:30 a.m. to 5:30 p.m.

ASE Seal

RT Clapp Car Care Center
1025 Oak Ridge Turnpike
Oak Ridge, TN 37830
Phone 865-482-2428

We accept most major credit cards and fleet cards

Credit Cards