Spark Plugs – How Often Should They Be Replaced?

April 27th, 2017

In the old days, a tune-up was necessary about every 35,000 miles. It would usually consist of setting the ignition timing, replacing the mechanical breaker points in the ignition, cleaning and adjusting the carburetor and replacing the plug wires and spark plugs. Today, of course, the carburetor’s job is done by fuel injection and the ignition timing and spark are controlled by the engine computer. Few vehicles still have plug wires anymore either, as the distributor was replaced by the computer and a coil-on-plug design which delivers a spark at each spark plug.

But what about the spark plugs themselves, though? How often do they need to be replaced now?

Manufacturers tout an 80k-100k mile service interval on spark plugs now, thanks in part to improvements in plug design and materials. That might be stretching it, however. Remember that if you have a 100,000-mile spark plug, its electrode is worn down 4/5 of the way at 80,000 miles. A worn ...[more]

  Posted in: Auto Repair 101

Regular, Synthetic or Blend...What Kind of Oil Do I Need?

May 26th, 2016

At one time, there were only a couple of choices for motor oil. Today, that is no longer the case, and hasn't been for quite some time. Here's a quick breakdown of what you need to consider when it's time for an oil change:

  • Viscosity: Viscosity is how thick your oil is, and how it retains its pour properties at various temperatures. In this respect, synthetic oil is far superior. Conventional oils will thicken in cold weather and thin out when very hot, while the viscosity of synthetic is much more uniform. Check your owner's manual -- many newer models require a thinner, lower-viscosity oil, which also helps the engine run more efficiently. Viscosity is expressed as a numerical value -- the lower the number, the thinner the oil. Many are designed to work a ...[more]
  Posted in: Auto Repair 101

Questions You Shouldn’t Be Afraid to Ask Your Auto Repair Tech

March 17th, 2016

Often, drivers are mystified by how their cars actually work. It’s to be expected. Even an older car is a complex machine with many sub-assemblies that all work together to move it down the road.Car questions? Ask them!

As a result, drivers tend to be a little intimidated by auto repair and often tend to not inform themselves by asking the necessary questions of a tech or a garage. Too often, that ends up being a big mistake. Here are some examples of the kinds of things you really should know before any auto repair work starts:

  • Does your shop work on any kind of vehicle? Of course, most shops can service a product from GM, Ford, Chrysler, Nissan, Toyota and the other leading makes. Some makes, however, require a lot more training and experience, o ...[more]
  Posted in: Auto Repair 101

Winter is Coming

October 15th, 2015
The days are getting shorter, there’s a snap in the air, and before you know it, the winter months are going to be upon us. Is your vehicle ready? 
 
Wipers: Even the best windshield wipers are only good for about a year; normal wear, the sun’s UV rays and the elements take their toll on them. Get a good look and check them for chunks, strips or chips missing, and replace if necessary for a streak-free field of vision in wet weather. Hint: a fresh application of 
Rain-X on your windshield and window glass can help visibility greatly. 
Brakes: Are you hearing any squeaks, squeals or ...[more]
  Posted in: Auto Repair 101

Six Hot Tips on Cool Air Conditioning

June 24th, 2015

Summer is here, and it’s time to start thinking about your car’s AC system! Nobody likes driving around in a hot, stuffy car, and a car with an AC system which only works marginally is somehow almost even worse than one which doesn’t work at all. Let’s go through a few tips which can help you keep your ride a little more comfortable this summer…

Remember a cars AC system is really a heat exchanger which moves hot air out of your vehicle, then replaces it with cold air. One thing you can do to help improve its efficiency is to leave your windows down an inch or two (if possible) when you park the car, helping to prevent excess heat buildup. When you start the car and begin to drive off, lower all the windows for the first minute or two to help move hot air out of the car more quickly, giving the AC system a chanc ...[more]

  Posted in: Auto Repair 101

Get Ready for Summer Road Trips with New Tires

May 28th, 2015

Summer’s going to be here before you know it, and that means time for family road trips! 
 
We know there’s a lot to think about when you’re planning a vacation...money, accommodations, scheduling, keeping the kids occupied in the car...but one thing you definitely should not neglect in those plans is your tires. 
 
Summer road trips are hard on tires. You have to figure you’re in a car that’s likely loaded to the gills, driving for hours and hours to get to your destination in 90-plus-degree weather. That’s a good way to end up with overheated tires, and heat is the enemy of even the best tires. Here are a few things to consider before you load up the car and get going: 
 
...[more]
  Posted in: Tire 101

Oil Changes for Mother’s Day

May 7th, 2014
When you were growing up, your Mother gave you the world!  So, what better way to show her how much you care about her than the gift of vehicle maintenance. Skip the cheesy cards and give the Mother in your life a gift that is not only practical, but one she can enjoy for 3,000–5,000 miles. Transform that forgettable bouquet of flowers into a memorable oil change with sentimental value that truly shows how much you care about her safety and the longevity of her vehicle. This is a thoughtful gift any Mother will use and make her feel like a queen while doing an everyday task such as having an oil change. 
 
Preventative maintenance is the most effective step any vehicle owner could utilize to both improve the performance of their vehicle and protect the longev ...[more]
  Posted in: Auto Repair 101

April: National Car Care Month

April 21st, 2014
April is National Car Care Month and there is no better time to break free from the chains of winter to start your journey to a dependable, road ready vehicle. Routine maintenance can seem overwhelming and with a never ending cycle of checks and replacements, sometimes it is hard to remember where one project ends and the next one begins. Knowledge is power and whether you are a mechanic or soccer mom every vehicle owner should have at least passing knowledge about their vehicle.
 
Allowing your vehicle to fall into disrepair during the winter months is nearly inevitable. Spending time working on a vehicle during an icy day is less likely than waking a hibernating bear and nearly as pleasant. Thus, when April is sprung upon us there is no better reason to go outside and enjoy the be ...[more]
  Posted in: Auto Repair 101

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GT Discount Tire
2902 Andersonville Hwy
Clinton, TN 37716
865-494-0361
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Make A Tire or Auto Repair Appointment Today

GT Discount Tire proudly serves the local Clinton, TN, Norris, TN, Lake City, TN and Oak Ridge, TN areas. We understand that getting your car fixed or buying new tires can be overwhelming. Let us help you choose from our large selection of tires. We feature tires that fit your needs and budget from top quality brands, such as Michelin®, BFGoodrich®, Uniroyal®, and more. We pride ourselves on being your number one choice for any auto repair. Let us earn your business. Schedule an appointment today.  Also, take advantage of Clinton, TN best Express Lube Center, we get you and your vehicle in and out in under fifteen minutes. 

GT Discount Tire was established in 1978 by Greg Tindell. Greg is still the sole owner/operator of GT Discount Tire. Our number one goal is customer satisfaction. We believe we are the best at what we do. Give us a try! Thank you for your business!