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Tips for Buying From Used Car Lots

Did you know that according to Edmunds, over 40 million used cars were re-sold last year? So many cars on the road are second hand, and it’s very likely your first car was too. Maybe even your current one is now. Buying a used car, despite how popular it may be to do so, is still a tricky thing to navigate. Below are a few tips to help.

  1. “Show Me the Carfax!”

Carfax is really good about records. Most auto shops have their management program tied into Carfax so as soon as they do something, it is recorded. No Carfax? No official repair. Even when you trust the used car dealer, ask, because they likely have it and you should know a vehicle’s service history.

2. Pre-Purchase Inspection.

Any reputable used car lot is OK with 3rd party pre-purchase inspections because they stand behind what they sell. If they won’t let you do one, run. To receive a 3rd party inspection, simply schedule one with your auto shop of choice and see when the dealer or yourself can come down.

3. Cleanliness.

A clean car is nice, but be weary of overly clean. If that car your buying smells like excessive Febreze or has recently replaced (or missing) floormats, serious damage to the cabin may be covered up. Obviously this isn’t always the case, but it isn’t normal for a used car to smell like 10,000 Yankee Candles burning at once. When in doubt, ask.

Questions? Check us out online at www.manchesterautoandtire.com or call 704-545-4597

How TPMS Works

Tire Pressure Monitoring Systems, or TPMS, is an integral part of most cars sold in the last two decades. It’s a great tool for giving the driver real-time data on air pressures and when to adjust. But how does it work and why do we have it?

Due to high fatalities coming from tire failures on certain Fords equipped with Firestone tires in the 1990’s, congress passed the TREAD Act in 2000. One of the stipulations of the act was that all light-duty vehicles sold September 1, 2007 and forward would be required to have TPMS equipped.

TPMS functions in one of two ways; Directly or Indirectly. Direct TPMS is mounted to the wheel and uses a sensor to monitor the air pressure. If it drops to a critical point (usually 25% of normal,) the sensor sends an alert and a light or warning appears on your dashboard.

Indirect TPMS monitors pressure through the wheel speed sensors usually found on your antilock braking system (ABS.) If one wheel is spinning at a different speed than the others, then it is likely that tire’s pressure is low and sends an alert to your CPU and lights the dashboard.

Over time, TPMS sensors can degrade or get damaged and occasionally need to be replaced. Generally, once a TPMS sensor is replaced, it has to be reprogrammed via a diagnostic tool. Few vehicles are self-programmable. Common signs of bad sensors are odd pressure readings or a warning light that stays on even when tires are correctly inflated.

Questions? call Manchester Auto and Tire of Mint Hill, LLC Mon-Fri 8AM-6PM, email us at kenmanchester1@gmail.com, or check us out online at www.manchesterautoandtire.com.

Understanding Your Car’s Many Filters

The modern car is loaded with filters. Many things, both liquid and air, need to be filtered – but do you know what your car’s main filters do?

There are four filters that almost every car has: an air filter, a cabin air filter, an oil filter and a fuel filter. Each have a specific purpose.

Air filters and cabin air filters both achieve the same thing – they help with breathing. The cabin air filter is for people. It keeps the air in the cabin clean, free of dust, and prevents smells from entering the cabin. The air filter, however, helps your engine breathe. Cleaner air in your engine means better fuel combustion, better fuel economy, cleaner emissions and smoother rides. Both kinds of air filters are replaced as-needed, but can usually be cleaned multiple times before needing a replacement.

Oil filters are for your motor oil. Oil isn’t just a lubricant but also a detergent. All kinds of gunk and deposits build up in your engine. To make sure your oil can keep cleaning as best as possible, you should replace the oil filter every oil change.

Lastly, fuel filters are for your gasoline. Gunk and fuel don’t mix. A bad fuel filter can result in poor engine performance, or internal engine damage. You should have your fuel filter checked and pressure tested every 15,000 miles and replaced as-needed.

Questions? Call Manchester Auto and Tire of Mint Hill at 704-545-4597 or check us out online at manchesterautoandtire.com

The Importance of DOT Tire Codes

The modern day tire is a feat of engineering. Due to things like synthetic rubbers and vulcanization, tires can last for hundreds of thousands of miles. Tires, however, are not forever. In fact, they’re a lot like milk. Milk can be prolonged – you can store it in the fridge, keep the lid tight, etc. However, if you don’t consume it fast enough, it will eventually go bad.

Tires are the same way. You can keep them aired up correctly, you can rotate them, align your car for them, garage keep them and so on, but if you don’t consume the tire fast enough, it will go bad – even with a lot of tread left.

DOT tire codes exist for this very reason. The last four digits of a DOT tire code tell you the week and year the tire was made. For example, a tire code DOT Y9RJ FPUU 2618 was built on the 26th week of 2018. The goal of the number is to give you an easy way of measuring tire life.

Old tires, even with no signs of dry rot, cracks or deformities are very susceptible to blowouts. If you have a car that you only drive on the weekends, or if your elderly neighbor is the kind who only ever drives on Sunday to go to church, check those tires. Six years or older is a commonly recommended replacement time regardless of tread, but 10 years is industry standard.

Questions? Call us at 704-545-4597 or check us out online at manchesterautoandtire.com

When Should I Service My A/C?

It’s getting hot, folks. We commonly average 90 degrees–plus weather this time of year. Rolling down your windows is only going to get you so far! Do you know when it’s time to service your A/C? Here’s a few of the warning signs.

First and foremost, check your most recent service date for A/C maintenance. A/C systems can be as low as 20% below full-charge and be cold. Even if you’re satisfied with how cold your cabin is, you may not be getting optimum performance and could be running the risk of damage as refrigerant helps lubricate mechanical things like your A/C compressor, much like how oil lubricates your engine. Generally, A/C should be inspected every other year, but only serviced as needed until the vehicle hits old age or high mileage. After that, inspecting yearly is recommended.

The second warning sign is non-cold A/C. If it isn’t cold, something is wrong. Often times this can be fixed with an A/C recharge, but sometimes one of the parts has broken instead, especially on older cars.

Another less-common but important warning sign is water on your floorboard. This means that somewhere you have a clogged drain hole, and you can risk damage to the carpet, or worse, mold.

Lastly, noises. Things like banging, rattling, or other things that you shouldn’t hear when you turn on your A/C are almost always caused by a broken part and needs a diagnostic service to determine the cause.

Questions? We’re online at manchesterautoandtire.com, facebook.com/ManchesterAutoAndTire, or call us at 704-545-4597.