Sluggish. Squealing. Unreliable. Vibrating. If any of these descriptors fit your vehicle’s recent behavior, it just might be trying to tell you something – like it’s time for a tune-up.

Today’s vehicles differ significantly from their decades-old brethren that required a tune-up every 10,000 or 20,000 miles. With newer vehicles, it’s increasingly common for manufacturer-recommended service intervals to stretch to 100,000 miles before certain maintenance items, such as replacing the spark plugs, should be completed. 

No matter what type of fleet vehicles or commercial trucks you maintain, the fuel system on your diesel is an integral part of keeping you on the road. Gas systems are pretty simple - there’s basically just a pump that pushes gasoline to the injectors. Diesels are a bit more complicated.

Spark plugs have been around since the beginning, and play as important a role now as they did a hundred years ago. It’s a good idea to replace them as a set at regular intervals, but sometimes one will go bad sooner than the rest for one reason or another. How do you know if you have a bad spark plug? Here are some indicators, from National Brake & Muffler in Griffin, GA.

At National Brake & Muffler in Griffin, GA, we know that fuel contamination is one of the priciest and most problematic issues that may plague a diesel engine. There are a variety of issues that cause contamination in fuel. Knowing these issues will help drivers become aware of fuel contamination and hopefully prevent these issues. 

No matter what type of car, truck, or SUV you drive, maintenance is the key to giving your engine a long life. At National Brake & Muffler in Griffin, GA, we focus on keeping your engine running strong.

Your car, truck, or SUV is equipped with various filters that keep the air going into your engine clean, the air you breathe in the vehicle, the fuel that supplies your engine, and the oil that keeps it going. How often should you have them replaced? It depends on the filter, the vehicle, and the environment. Here’s what you need to know, from National Brake & Muffler in Griffin, GA.

At National Brake & Muffler in Griffin, GA, we are here to maintain and repair your vehicle. We’re also here to help you keep your car, truck, or SUV in good shape and running strong. “Bad gas” is often cited as the cause for a variety of issues - but what does that mean, and what can you do?

At National Brake & Muffler in Griffin, GA, we aim to keep your four-wheel drive or all-wheel drive car, truck, or SUV ready for anything. 4X4 systems are pretty low maintenance, but equally as important to maintain as your engine or transmission. At National Brake & Muffler our technicians have the tools and knowledge to help keep yours going strong.

At National Brake & Muffler in Griffin, GA, we see our fair share of damage that could’ve been prevented. Leaking injectors are one of the main ways a diesel engine can meet its demise - but the good news is, engine failure can be avoided, as long as the problem is taken care of.

Vehicle maintenance can be expensive. However, when it comes to owning a car, truck, or SUV, the only thing more expensive than maintaining one is doing no maintenance at all. Here’s why, from National Brake & Muffler in Griffin, GA.

If you’re running a truck (or trucks) without an auxiliary oil cooler, it may be something you want to consider. Here’s some information on auxiliary oil coolers, what they are, and why they’re a great upgrade, from National Brake & Muffler in Griffin, GA.

Keeping up with oil changes is one of the most important aspects of keeping your engine in good shape. However, you’ve probably noticed that the price of oil changes can vary pretty dramatically depending on what you get, and the oil all looks the same. Here’s a breakdown of the difference between synthetic and conventional oil, from National Brake & Muffler in Griffin, GA.

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 National Brake & Muffler in Griffin, GA.

On average, today’s vehicles get better gas mileage than ever. There are still ways to get the most out of the fuel that you put into your tank. Here are the factors that affect gas mileage, and what you can do to maximize yours, from National Brake & Muffler in Griffin, GA.

On modern vehicles, the PCV system (Positive Crankcase Ventilation System) is essential to ensuring your car or truck is ready to go when you are and remains a long-lasting, reliable vehicle. It’s much more than just emissions control - your PCV system serves multiple purposes and is quite interesting! How does it work, and what are those purposes?  Here at National Brake & Muffler in Griffin, GA, we have those answers for you!

Routine services are routine for a good reason. Schedule them with us here so we can be sure that your vehicle stays in the best shape. Here’s a look into what happens when routine services aren’t performed, from National Brake & Muffler in Griffin, GA.

Tune-ups are an important and frequently neglected aspect of automotive care. Most drivers don’t really consider the mechanical condition of their car, so long as nothing is wrong with it. However, if a vehicle is tuned-up and maintained correctly, many mechanical failures (and expenses) will be avoided altogether. So whne is the right time to get a tune-up?

Sometimes a tire goes flat over the course of days, weeks, or even months. A leak like this never has an obvious cause - so why is your tire losing air? From National Brake & Muffler in Griffin, GA, here’s some info on leaky tires.