If you own or operate a fleet or commercial truck, there’s a lot that factors into having a major repair done on one of your vehicles. At Donnie Braun & Sons Auto Repair in Jefferson City, MO, we’re here to help you make the right choice.

There’s a huge percentage of vehicle on the road, right now, with the check engine light illuminated. Many of them have had it on for years, even. Frequently, a check engine light will illuminate, but pose no immediate problems, so people just get used to it and learn to live with it being on. However, Donnie Braun & Sons Auto Repair in Jefferson City, MO would like you to know that it’s worth having it looked into. Typically, the problem can be diagnosed by simply plugging your car into our computer; the vehicle gives us a code, and we know what the problem is immediately.

Coolant leaks can be a pain - they’re elusive and have a lot of damage potential. Fortunately, at Donnie Braun & Sons Auto Repair in Jefferson City, MO, our technicians know exactly how to diagnose and repair a coolant leak, no matter where it is. Knowing more about where these coolant leaks appear and why they're a problem will help you to recognize a problem and get it repaired before it does further damage.

At Donnie Braun & Sons Auto Repair in Jefferson City, MO, our technicians have a wide variety of top of the line tools and equipment available to diagnose and repair your vehicle. We utilize equipment at the forefront of technological innovation to best provide for the specific needs of your car.

Regular maintenance checks of your vehicle will help you avoid a catalytic converter that looks like this resulting in large repair costs which is what our team here at Donnie Braun & Sons Auto Repair in Jefferson City want to avoid at all costs! We feel that every customer has a need to know what repairs are in their future and exactly how to budget for them if need be so we check your vehicle thoroughly and keep you informed.

There are several indicators that your catalytic converter isn't functioning at maximum capacity such as:

The engine in your Chevrolet, Dodge, or Ford diesel pickup is the heart and soul of your truck. At Donnie Braun & Sons Auto Repair in Jefferson City, MO, we repair, rebuild, and replace engines with quality parts and builds, keeping your truck on the road for years to come.

At Donnie Braun & Sons Auto Repair in Jefferson City, MO, we know replacing an entire engine can be a tough call to make - that’s why we’re here to help you make an expert decision on the matter.

It’s not always easy to recognize when your vehicle is suffering from a simple problem that requires a little maintenance and TLC or there is real engine damage as symptoms can be overlooked and seen as “normal.” While not all sounds and smells may threaten the life of your vehicle or truck engine, there are some obvious warning signs that require a vehicle inspection here at the shop right away.

The heads on your commercial or fleet diesel are one of the most integral parts of your engine. The heads are comprised of the valvetrain, exhaust ports, intake ports, and injector ports. In essence, a head’s purpose is to regulate and time the intake of fresh air, the release of exhaust, the compression of fuel and air that provides combustion, and the entry point for fuel into the cylinder. The head is where all the complex aspects of engine operation occur...without it, you just have a chunk of metal with pistons in it, and no way to make them move. Here’s what you need to know about your heads, from Donnie Braun & Sons Auto Repair in Jefferson City, MO.

Obviously, your engine is the heart and soul of your car, truck, or SUV. When your engine requires maintenance or repair, rest assured your vehicle is in good hands at Donnie Braun & Sons Auto Repair in Jefferson City.

Commercial trucks have heavy engines, and they spend a lot of time running, particularly at idle. As a result, the mounts that secure the engine to chassis of the truck have a tendency to wear out, causing all sorts of shaking and vibration that the driver will feel in the cab of the truck. At Donnie Braun & Sons Auto Repair in Jefferson City, we can take care of that for you.

“Spark plug” is a word you are likely familiar with; it’s one of those car terms that you’ve heard your whole life. You know they’re important, you know sometimes they need to be changed. But how do you know when it’s time to replace them? What do they do, and where do they go wrong? Donnie Braun & Sons Auto Repair in Jefferson City has the answers.

Have you ever noticed your dashboard ABS icon lit up? If you have it means there is an issue that needs to be diagnosed, ABS issues don’t need to be ignored long. The anti-lock braking system, or ABS, is an important feature on every modern car, truck, or SUV. It has been legally mandated since 2013 in the US but was standard on almost every vehicle even prior to that. Here’s what you need to know to make sure your ABS system doesn’t fail, from Donnie Braun & Sons Auto Repair in Jefferson City, MO.