Tune-ups

  • 9 Signs Your Vehicle Needs a Tune-Up

    mechanic checking under hood of car

    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. 

  • Diesel Fuel Systems - How They Work, and How to Maintain Them

    vehicle with smoke coming out the back

    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.

  • Do you have a bad spark plug?

    car in shop

    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.

  • Fuel Contamination - What's The Problem?

    fuel

    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. 

  • How Do You Maintain Your Engine?

    man working on car with hood up

    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.

  • How often should you get your filters replaced?

    mechanic putting filter into car

    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.

  • Is My Gas Going Bad?

    man putting gas in car

    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?

  • Keeping Track of Maintenance - Why It’s So Important

    mechanic working on car Keeping track of maintenance done on your fleet vehicles and commercial trucks is one of the most important aspects of fleet management. At National Brake & Muffler in Griffin, GA, we track maintenance and repairs for a number of reasons. Here’s why:
  • Keeping Your 4x4 System in Top Shape will Keep You on the Road

    SUV parked on a dirt road

    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.

  • Leaky Injectors Need Your Attention

    Injector

    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.

  • Maintaining Your Vehicle Will Save You Money

    mechanic holding two wrenches

    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.

  • Should You be Running an Auxiliary Oil Cooler?

    oil cooler on a vehicle

    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.

  • Synthetic vs. Conventional oil - what’s the difference?

    oil being poured from container

    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.

  • The ABS Light - why is it on, and what should you do?

    abs light on dash lit up

    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.

  • Tips for Better Gas Mileage

    man putting fuel in car

    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.

  • What does the PCV System do & why is it important to you?

    emissions testing being done on a vehicle

    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!

  • What Happens When Routine Services Are Neglected?

    man checking oil stick

    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.

  • When and Why Your Vehicle Needs a Tune-up

    man holding spark plug in hands

    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?

  • Why Are Oil Tests Important?

    mechanic holding oil stick over vehicle Changing the oil in big trucks and commercial vehicles is an expensive, but necessary, part of keeping your vehicles going. You don’t want to wait until it’s too late to change your oil, but changing it too early can be a waste of time and money. Having your oil tested regularly helps us to hone in on exactly how often your oil needs to be changed, to optimize reliability and efficiency.
  • Why is My Tire Losing Air?

    mechanic checking tire pressure on tire

    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.

  • Now Hiring
  • Jasper Pref
  • cbCharge
  • 24-Hour Dropoff
  • Acdelco
  • Ari Fleet
  • Asa
  • ASE
  • BF Goodrich
  • BG Products
  • Bosch Automotive
  • Bridgestone Firestone
  • Be Car Care Aware
  • Cooper Tires
  • Cummins Diesel
  • Customer Savings
  • Donlen Fleet
  • Dunlop Tires
  • Duramax Diesel
  • Element Fleet
  • Fleet Services
  • Ford Power Stroke Diesel
  • Flowmaster
  • GE Capital Fleet
  • Goodyear
  • Handicap Accessible
  • Hankook Tires
  • iATN
  • Kelly Tires
  • Kids Play Area
  • LeasePlan Fleet
  • Loaner Car
  • Magnaflow
  • Michelin
  • MACS
  • Mastercraft
  • Motorcraft Parts
  • Motorist Assurance Program
  • NAPA AutoCare Center
  • NFIB
  • Onan Generators
  • Pet Friendly
  • Radiator
  • Rotary
  • RV Repair
  • Shuttle Service
  • Smart Flow
  • Sumitomo Tires
  • Synchrony
  • Tech-net
  • Tires
  • Towing
  • Toyo
  • Uniroyal
  • Veteran Owned
  • Welding
  • WEX Fleet
  • Wifi Available
  • Woman Owned
  • Veteran Owned