105 W 2nd Ave Humboldt, SD 57035 605-363-5300
1008 N Oaks Ave Hartford, SD 57033 605-528-5300

Maintenance & Repair Services

Factory Trained, ACE Certified Technicians

We are dedicated to providing all our customers with high quality and dependable auto repairs at reasonable prices. Our crew of factory trained and ASE Certified Technicians have the training and skills to repair and maintain domestic and foreign vehicles of any make and model. Our main goal is to meet customers’ expectations on every auto repair service we perform. If you are looking for a dependable mechanic in Humboldt or Hartford, SD, contact ATS for timely service, from serious problems to a simple oil change.

Your safety is of the utmost importance. The correct repair of unseen damage is critical to the safety and performance of your vehicle. To keep your vehicle running properly at all times, we offer a number of services in the Humboldt and Harford area.

Factory Trained, ACE Certified Technicians


  • Differentials
  • Exhaust
  • Driveline
  • Tires
  • Hubs, Seals, Studs, & Nuts
  • Shocks and Struts
  • Oil, Lube, and Filter Hoses/Belts
  • Wheel Bearings
  • Headlight and Bulb Replacement
  • Wiper Blade Replacement
  • Steering and Suspension
  • Computer Diagnostics
  • Ignition / Ignition Wires & Cables
  • Spark Plugs

Oil Changes

A vehicle’s engine is a big assortment of moving parts in constant motion. In order for cars to run properly, every component needs to be properly lubricated. Motor oil allows these parts to do what it does without causing friction. Changing motor oil on a regular basis is essential for a properly running engine and will increase the longevity. We use a variety of quality motor oils and synthetics blends specifically designed to maximize performance on each individual engine.

Scheduled Vehicle Maintenance

When was the last time that you looked at the manufacturer recommended service or scheduled a regular maintenance appointment? In many cases these important services can get overlooked and become way overdue. Our experienced technicians use advanced diagnostic tools and equipment to identify any concerns that may arise. Some examples of regular maintenance are tune ups, fluid flushes and oil changes. We have the equipment and knowledge to service any year, make and model of vehicle.

Computer Diagnostics

We’ll find and repair any issue using the latest diagnostic equipment on the market. With this technology, we can accurately detect the cause of any issues. There are many wires, sensors and computers throughout your vehicle collecting and reporting data. Our computer diagnostics identify any concerns and our skilled technicians accurately address any repairs necessary. We also offer free diagnostic for check engine lights!

Tire Sales & Service

Tires are a very important part of your vehicle. From economy to safety, it is important to have a reliable set of tires. We have a huge selection of quality brand name tires for cars and trucks of any year, make and model. In addition, we offer tire repair and rotation services.

Tune Up Service

This is a list of manufacturer-recommended services that should be completed at certain mileage intervals. By following the suggestions on this list, it becomes much easier to prolong the life of your car. Even though your owner’s manual is close at hand, it can be hard to keep up with your car’s maintenance schedule. This is why we provide tune-ups as a part of our automotive services. Our tune-ups include a complete analysis on the components that help your car run.

Engine Repair, Service & Maintenance

Timing belts and timing chains are the most common major engine service. Every 60,000 miles, you should have these items inspected. If you notice an oil leak, this is an indication that your engine should be serviced. A major engine failure can be caused by a simple oil leak. A clean engine is a happy engine. Make sure you get fuel injection cleanings and fluid flushes as recommended by the manufacturer.

Exhaust System Repair

If you’ve ever been stuck in traffic or walked behind an idling car, you have an idea of how irritating exhaust gases can be. Without a working exhaust system, they could be even more harmful. Your vehicle’s emission and exhaust control system dampens the noise made by the vehicle and controls the dangerous gases and particulates your car puts out. A healthy exhaust system equals a healthier environment and a quieter car on the road.

Auto AC Service & Repair

While it might not be as important as other parts of a car, a working AC system is one of the most important things to any car owner. When working, your air conditioning system makes your drive comfortable, no matter how hot it is outside. But what about if it stops working? If you are having problems with your AC, stop down today for a free estimate.

Transmission Inspections, Repairs & Maintenance

Have you added a transmission inspection to your car’s maintenance calendar? A transmission fluid flush is the removal and replacement of the liquid that lubricates parts and maintains a safe temperature within the system. You shouldn’t wait around for very long when you need to fix your transmission. If any repairs are needed, we’ll get your car into our shop as soon as we can so we can diagnose your issue and make recommendations for repairs.

Suspension Systems

The suspension system acts as the connection between your engine and the power it generates to the wheels and the impact the road has on the vehicle. Movement and inertia create an incredible amount of force on your car’s frame. The suspension system balances the vehicle. If your suspension system isn’t maintained, it could lead to a safety hazard. Some potential hazards include premature tire wear, damage to your alignment, excess noises, and vibrations. We have the skills and experience to identify any problems and make necessary repairs in a timely manner.

Comprehensive List of Services

Brakes & Brake Repair
  • Brake Pad & Shoe Replacement
  • Resurface Rotors
  • Caliper Replacement
  • Brake Hoses
  • Brake Fluid Flushes
  • Anti-Lock Brake System
Heavy Duty Services
Engine Overhaul & Replacement
  • Engine Maintenance
  • Diesel
  • Fuel Injection
  • Steering and Suspension
  • Brakes
  • Clutches
  • Engine Replacement, Repair and/or Rebuilds
Transmission Repair Services
  • Transmission Maintenance
  • Replacement and/or Overhaul (Manual and Automatic)
  • Service, Diagnose and Repair
  • Transmission Flush
  • Clutches
  • Transfer Cases
A/C & Heating Services
  • Air Conditioning
  • Coolant System Flush
  • Belts / Hoses
  • Radiators
  • Radiator Flush
Electrical Repair & Maintenance
  • Batteries
  • Starters
  • Alternators