Oil changes are integral to the performance, longevity, and reliability of your diesel truck. At Clark's Automotive, Inc in Manassas, our expert mechanics understand the importance of good quality oil, changed at correct intervals, in allowing you to get the most out of your Cummins, Powerstroke, or Duramax diesel.

“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? Clark's Automotive, Inc in Manassas has the answers.

While transmissions are extremely complicated and it takes a professional hand to work on one, taking care of the one you have isn’t difficult. At Clark's Automotive, Inc in Manassas, VA, we understand the importance of caring for your transmission properly, so that it stays in good condition for as long as possible.

At Clark's Automotive, Inc in Manassas, we know the key to making your vehicle last; good maintenance. An overwhelming percentage of the problems we see, especially the really catastrophic ones, are a result of poor maintenance. While properly maintaining a vehicle can seem a like a bit of a hassle, it is absolutely worth the payoff. Good maintenance is the only difference between a car that lasts 80,000 miles and a car that lasts 400,000 miles. Preventative maintenance and repair when a problem occurs are are your two concerns, and both will keep your car on the road far longer, if observed properly.

Some vehicles come with either "all-wheel drive" (AWD) or "four-wheel-drive" (4WD), and you may have wondered if there's any real difference between those terms. Cars only have four wheels, after all, so when "all" of them are doing the driving, that's four-wheel drive - isn't it? The logic makes sense, but AWD and 4WD have actually evolved into technical terms that refer to distinct mechanical systems. Whether you're shopping for a car or your needs repairs, you'll want to take an educated approach, so let's walk through the ins and outs of each system.

Keeping the interior of your car, truck, or SUV clean and in good shape is an important part of making your vehicle last. Clark's Automotive, Inc in Manassas has some tips on keeping your car clean inside, and why keeping it clean matters.

If you’ve ever been in an emergency braking situation, you’re probably all too aware that the brakes are the most important safety system on your vehicle. And like many other systems in a vehicle, the brakes need regular upkeep to continue functioning properly. One way to preserve the integrity of the braking system is through brake bleeding, and while it may not be as well known as certain services like oil changes, it is a key maintenance item for a vehicle.

Your vehicle's radio and headlights, plus a slew of other important functions, are powered by an electrical current generated by your vehicle’s engine. A vital part of generating electricity is having a place to store it while it’s not being used, which is where a car battery comes into play. The battery holds electrical energy while a car is off in order to help the engine turn over and create a spark to start internal combustion. Without a working battery, your car will not be able to start. If you perform proper maintenance, however, an average car battery can start your car reliably for roughly four years.

At Clark's Automotive, Inc in Manassas, VA, we know that over the past decade, depending on what type of car, truck, or SUV you drive, it may seem like oil changes have gotten more expensive, and there are more options from synthetic to standard 10w/30 oil.  What kind is best for your vehicle and is the higher price worth the cost? 

At Clark's Automotive, Inc in Manassas, VA, we’ve witnessed our fair share of burnt out and broken clutches. While clutch failure is an inevitability, there are a variety of ways to make sure yours lasts as long as possible.

At Clark's Automotive, Inc in Manassas, we know that the first and most important step toward keeping your car, truck, or SUV reliably on the road, is knowing how to properly care for it. Here are a few tips on how to keep your vehicle in shape.

Judging by the number of near-rear-endings we witness on our morning commutes, the typical attitude toward brake maintenance appears to be, “Brakes: Don’t let them stop you!” This puzzles us because monitoring your braking system’s health is one of the most straightforward aspects of car ownership. You do have to know what to look for, though, or rather, what to listen and feel for. So let us, uh, break it down for you. Here are the top three signs that your brakes need fixing.

A good technician will give your car a quick inspection whenever you have maintenance performed. Fluid levels, tire condition, dashboard lights, and a variety of other items typically are briefly explored whenever you bring your vehicle in for maintenance. At Clark's Automotive, Inc in Manassas, we're good at noticing things that need repair, but the fact of the matter is that only you know your car. You know when your car feels off when its been serviced last (or that it hasn't been serviced at all,) and have at least some vague idea of what’s going on with your vehicle day to day. Here are some questions you can ask us next time you come by the shop;

At some point or another, it’ll happen to you. You leave your headlights on, your battery finally fails, or for some other reason, you don’t have enough juice to start your car. Don’t call a tow truck just yet, though...Clark's Automotive, Inc in Manassas has the info you need to properly jump-start your car.

It’s a busy morning, you’ve finally gotten everyone where they need to be and you’re just pulling into the parking lot at work when your dash light starts glaring at you. Your check engine light shines bright, but you have no idea why. Whether you can tell a difference in the way your car, truck, or SUV is running, your car is trying to tell you something. At Clark's Automotive, Inc in Manassas, VA, we can help!

At Clark's Automotive, Inc in Manassas, our goal is to keep your car, truck, or SUV shifting and riding as smoothly as it did the day it rolled off the lot. A big part of that is the mounting hardware that keeps the moving parts in your drivetrain running smooth.

At Clark's Automotive, Inc in Manassas, routine maintenance and repair isn’t the only thing we do. For custom parts installation, you can also count on us. Common modification enthusiasts do is swapping to a short-throw shifter; but what actually is a short-throw shifter, and what does it do?

You’ve probably heard the term “transmission flush” before at some point in your automotive experience. But what exactly does it mean to have your transmission flushed, and why does it matter? Clark's Automotive, Inc in Manassas, VA has the answers.

At Clark's Automotive, Inc in Manassas, we know that few problems are simultaneously as simple and confusing as a bad ground connection on your car, truck, or SUV. Here’s a look at some symptoms of a bad ground, and what you can do to correct it.

All the lights on your vehicle have an important job to do. Brake lights, tail lights, blinkers, reverse lights, and headlights are a crucial part of driving. Lights make you visible, make things visible to you, and allow you to communicate with other drivers. All of a vehicle’s lights make driving easier and safer, and all of them are important...not to mention legally required.