Archive for June 2022The Truth about Tire Pressure (Tire Inflation)Posted June 26, 2022 11:34 AMMost light vehicles (under 10,000 pounds/4,500 kg) in North America sold from 2008 model year on have a feature that many people are confused about. It's the tire pressure monitoring system (TPMS). You may have some experience with it yourself if you own a newer vehicle. Vehicles with TPMS have sensors in each tire that are supposed to warn the driver when tire pressure gets dangerously low. That's important because tires that are significantly under-inflated can cause very serious accidents. Unfortunately, many drivers think the TPMS does all the work keeping track of tire pressure. To them, as long as the warning light or gauge isn’t giving a warning, the tires must have the proper amount of air pressure in them. That's not the case. Tire pressure monitoring systems aren't all created equal. Some give you a digital readout of the pressures in each individual tire. But many simply have a warning light that looks like the cross section of a tire with an exclamation point in the middle. If you don't know what it is, it's because it's not instantly recognizable as a tire. In fact, one company that makes TPMS, Schrader Performance Sensors, surveyed drivers. Their study showed that more than 40 percent of drivers didn't know that that warning light was. One out of 5 of the drivers who did know what the light was only looked at their tires after the light came on to see if they could see any that needed air; they never checked them with a tire gauge or had someone else do it. Ten percent of them didn't do anything when the light came on. In most vehicles with TPMS, the warning comes on only when the tires are more than 25% underinflated. The American Automobile Association says that's under the pressure you need for safe vehicle operation. The bottom line is once a month you should make sure your tires are inflated to the manufacturer's recommendations. That means each tire should be measured with an accurate, external tire gauge. To be confident you are getting a correct reading, take your vehicle to a reputable service facility where their equipment is calibrated and they know what they're doing. Severely underinflated tires can contribute to an accident that kills or severely injures people. The idea behind TPMS is well intended, but the system was never meant to replace regular inflation measurements and maintenance. Periodically have your tires checked for proper inflation. Auto Authority LLC Going (Lug) Nuts (Lug Nut Replacement)Posted June 19, 2022 11:27 AMHere's a part of your vehicle you probably don't think about much: lug nuts. They're what fasten your wheels onto your axles. Pretty important, right? In order to take the wheels off your vehicle to service the brakes, rotate the tires, etc., the lug nuts have to be in good shape so a wrench will grip them tightly. Because lug nuts are on your wheels, they are exposed to all the elements of the road (salt, water, grime) and really take a beating. Unfortunately, some manufacturers have made them out of two different metals. Underneath is the working part of the lug nut, made of steel. On top is the decorative (the "good looking") part, made out of chrome, stainless steel or aluminum. After a while, the steel part begins to corrode and expands. That changes the shape of the outer cap, sometimes rounding off the hexagonal edges and making it hard (if not impossible) to either loosen or tighten the lug nuts since the wrench won't fit any more. The reason that's so important is those lug nuts must be functional, especially if you find you have a flat tire somewhere on the road. If the wheel can't come off to be swapped with a spare, it leaves few options, one of which is your vehicle may have to be towed. All that for corroded lug nuts! When you take your vehicle in for service, the technician who works on it keeps an eye on many things, especially if he or she is removing wheels. It's not unusual for your service advisor to recommend you replace several lug nuts at once since some corrode at a different rate than others. Your repair facility is trying to help you avoid driving a vehicle that has wheels that can't easily be taken off when they need to be. The good news is there are one-piece lug nuts that don't have the problem the two-piece lug nuts have, so replacing them could eliminate that from happening again any time soon. And that's not "nuts" at all. Auto Authority LLC Do you have a Clue (Get the Most Out of a Service Visit)Posted June 12, 2022 8:11 AMWhen you head to the doctor, you probably have it in your mind what you're going to say about why you don't feel good. That way your doctor can use that information to diagnose your problem. You might want to think of that same approach when you take your vehicle in for a repair. Experts say what will help the service advisor most is for you to bring in some well-organized descriptions about your vehicle's issues. You might even want to write them down so you don't forget. Is there an unusual smell? What does it smell like? Does the problem happen first thing after starting out? If there's an odd sound you hear, is it dependent on speed? Does it change when you turn a corner? Keep your expectations realistic. Some conditions may take a long time to diagnose and repair. If you go thinking you'll be in and out in no time, you might be disappointed when you're told there are other customers ahead of you and you may have to come back tomorrow. If you can make alternate plans to have someone pick you up and take you back when the vehicle is finished, that way you won't feel like you've wasted your time. Most importantly, be available for any communication from the service advisor. If they have your cell phone and they have a question or need an approval for a repair, the sooner they reach you, the sooner things can move forward. The service facility wants your experience with them to be good just as you do. With a little help from you, they'll get your vehicle back on the road and you'll have a smile on your face. Auto Authority LLC Water Everywhere (Clogged Drains)Posted June 5, 2022 9:32 AMIt's bad enough when you mistakenly leave a window open in your vehicle on a rainy day and you find your carpet soaked. But what in the world is going on when your windows are closed tight, not leaking and you STILL wind up with wet carpet? The answer could be something you might not even know your vehicle has. And the answer is? Drains. And those drains can get clogged. Yes, your vehicle has several drains with tubes or hoses attached to them that you really never see. There are some in and around the hood that channel rainwater down to the ground. There are some that take condensation from the air conditioner and allow it to flow outside. And if your vehicle has a retractable sunroof or moon roof, there are small drains at each corner that connect to tubes that go through the vehicle body down to an exit near the ground. Considering all the leaves, dirt, dust and other debris your vehicle encounters on a daily basis, it's not surprising that these drains can get blocked. Then when it rains, that water winds up going to the place of least resistance. Sometimes, that's inside the cabin where it shows up as wet carpeting. So, what's the solution? You may be tempted to see if you can clean out those drains yourself. But there are many people who have tried blowing condensed air in the drains only to find that they literally blow the tubes off of their connections inside the vehicle's body. Reattaching those can be a time-consuming, labor-intensive, expensive proposition. A trained technician has the equipment and knowledge to clear out those drains properly. To prevent clogged drains, regular maintenance is the key, so when your vehicle is in for other periodic maintenance like oil changes and tire rotations, the technician can make sure all drains are clear and flowing like they should. Auto Authority LLC Why You Have an O2 Sensor (Oxygen Sensor)Posted May 29, 2022 10:12 AMIf someone asked you what gas made up the largest portion of the atmosphere, what would you guess? Well, it's not oxygen; it only makes up 20.9 percent. But since we're talking about oxygen, you should know that your vehicle uses oxygen sensors to make sure your engine is running the way it should. The oxygen sensors measure how much oxygen is in your exhaust. If there's too much, it means there's a problem with the mixture of fuel and air. The sensor sends signals to computers in your engine and adjusts the mixture so it maximizes performance and efficiency. It does this constantly. Many vehicles have multiple oxygen sensors. Some have one close to the engine, another close to the muffler. Two measurements are better than one since they allow readings to be more accurate. You may have a vehicle with a dual exhaust, so you'd have twice as many oxygen sensors. Your oxygen sensors can fail. One thing that can damage them is contamination from bad fuel. The sensors can simply wear out, though they usually last a long time. It's not unusual for an oxygen sensor to last 100,000 miles/160,000 km. One more thing that can cause an oxygen sensor to fail is residue from an engine that's burning oil. Plus contaminants from the road like salt can also cause problems. Here are some signs that your oxygen sensors might be failing.
Head to your service facility and tell your advisor what symptoms your vehicle is experiencing. They have the equipment and training to track down the issue. Note that simply replacing the oxygen sensor is often not enough since it doesn't get to the root of the problem; other repairs may be needed. So make sure your oxygen sensors are working the way they should be. Oh, and back to the question of what gas makes up most of the Earth's air? It's nitrogen, which comprises 78 percent of the air we—and our engines—breathe. Auto Authority LLC Cool Running (Water Pump)Posted May 15, 2022 11:37 AMYour vehicle is like you in a way. When it gets hot, it needs to be cooled down. And one of the key parts to keeping it cool is the water pump. Now, that's a bit of a misnomer. It IS a pump, but it's pumping coolant, not pure water. Cooling off your engine is vital since it builds up heat when it creates power by burning fuel. Your water pump acts as a way to recirculate that coolant. It goes through a series of tubes and hoses through the engine where it picks up heat, then is sent off to the radiator to get rid of that heat. Cooled off, the coolant is recycled through the water pump to start the journey again. The water pump works by taking mechanical power from the engine, usually from a belt. Obviously, that belt has to be in good condition and adjusted properly or else the water pump won't be able to do its job. Here are some things to look for that will signal problems with your water pump. If your heat gauge is erratic or showing a much higher than normal temperature, that could be a sign of trouble. Another is if you hear a whine under the hood. And if that gets louder when you go faster, get it checked right away. You may see steam coming out from under the hood or coolant may be leaking. These signs signal that it's time for you to have a technician check to see where the problem is. Some water pumps are powered by a timing belt. If your vehicle has that design and your timing belt is due for replacement, sometimes it's a good idea to replace the water pump too, even if it's working properly. That's because the labor to replace the timing belt can be expensive and it may be wise to proactively take care of the water pump while it's disassembled. Your service advisor will explain the options available and offer the best path to keeping your water pump doing its job. Your engine's life depends on it. Auto Authority LLC That Vexing Vapor Venting (Vapor Coming out of Vents)Posted May 8, 2022 7:48 AMYou may have noticed sometimes on a hot and humid day, vapor will come out of your vehicle's vents when you have the air conditioning on. Is that something to be concerned about? Well, it depends. Sometimes that steam or vapor can be caused by water accumulating in the vent system after it has condensed. And sometimes water can pool at the bottom of a vent. When you turn on the blower mower, the air hits the water and may create steam or vapor that you can see in the cabin. One thing to check is if that vapor smells like anything. If it doesn't, that's a good sign. You may be able to run the fan for a while and the issue may just go away when things dry out. But moisture collecting in the ventilation hoses in a hot vehicle may be a breeding ground for mold, and that can have health consequences. There's another possibility. Ventilation systems often have drains to get rid of any accumulated water, and debris can sometimes clog them. A technician can clean out those drains and you'll be back in business. One thing to nose around for is a sweet smell coming out of your vents. Sometimes the heater core (a component of your vehicle's heater system) can develop very tiny holes. That sweet smell may be coolant that's been vaporized by those tiny holes entering your cabin. It's always a good thing to mention to your service advisor any abnormality you're seeing—or smelling—in your vehicle. By venting a little about your vents, a technician can get to the bottom of the problem before it starts "clouding" the issue. Auto Authority LLC That Squeal is Telling You Something (What Causes Squealing While Steering)Posted May 1, 2022 9:16 AMIf you hear a squealing noise when you turn your vehicle, it's trying to tell you something is wrong. After all, it never made that noise before, right? The sound you hear may becoming from a few sources. Let's take a look (or a listen) to some of the possibilities. First, you almost certainly have power steering in your vehicle. Without power steering, you practically have to have arms like Arnold Schwarzenegger to turn, so automakers have technology to assist your steering, either mechanically or electrically. For a long time, the most common power steering has been hydraulic, using a belt to supply power from the engine that turns a power steering pump full of a fluid that helps you steer. Sometimes that fluid gets low because of a leak or some other problem. The belt could wear out and start squeaking, and you might feel the steering start to become harder. Your service repair facility can figure out the problem and offer some solutions. Another cause could be in your suspension. Some components may not be getting lubricated like they should. Or you may be hearing your tires squealing when you are turning. Properly working steering is a huge safety factor for your vehicle's operation. Your steering affects handling, vital to your well-being as well as that of drivers around you. So take your vehicle over to your repair facility and have it checked out. You'll be doing everyone on the road—including yourself—a big favor by listening to your vehicle. When it comes to steering, silence really is golden. Get that squealing repaired and get back to safe driving. Auto Authority LLC Beginning to See the Light (Check Engine Light Diagnostics)Posted April 24, 2022 11:17 AMIt's a light many drivers fear they'll see turn on at the most inopportune time. It's the one on the dash that says "Check Engine," "Service Engine Soon," or it may be simply an engine-shaped light. Your first instinct may be to pull off to the side of the road and turn off the engine. The truth is that Check Engine light can be pointing to problems as simple as a loose gas cap. But it could be as serious as a severely misfiring engine. Don't ignore it because it's there to help you avoid an expensive repair it is designed to alert you to, to tell you something's not quite right. Your vehicle has a connected system of computers and sensors constantly checking to see that all systems are working the way they should. If something isn't, the system will turn on the Check Engine light. If it's flashing, that could be serious. Look at some of the other warning lights or gauges such as heat or oil pressure. They could be telling you your vehicle's problem should be checked right away. In that case, if you can, safely pull off the road and shut the vehicle down. If your vehicle loses power and the Check Engine light is on, try not to push the demands you are making on the engine, such as towing or accelerating hard. Simply put, a flashing Check Engine light should be checked out by a professional as soon as possible. If the Check Engine light is on steadily, manufacturers say it means there's a problem, but it probably doesn't require immediate service. The system is designed to remember the problem it found and store it (as a code) so it can be retrieved later. When you do bring your vehicle in to have us see what's behind the Check Engine light coming on, we’ll hook your vehicle up to a diagnostics tool that can reveal the clues the engine's computers have stored. It takes a trained technician to understand those clues, like a doctor who can interpret a patient's symptoms and come up with the correct diagnosis. Some newer vehicles can even be checked remotely. Once we figure out the problem and repair it, you'll be back on the road again. It's nice to know the Check Engine light is your sentry, standing by to alert you the next time you begin to "see the light." Auto Authority LLC What's in a Number? (What Tire Numbers Mean)Posted April 17, 2022 9:59 AMYou've probably never paid much attention to the writing on the sides of your tires, but they contain a wealth of information. There's a long combination of letters and numbers that can tell you a whole lot about what tires your vehicle was designed to be riding on. Let's check out this example found on an SUV: P245/70R17 108T. The first letter, P, means it's intended for passenger vehicles. If there's no letter, it means it's a metric tire. If there's an LT at the beginning or end that means a tire designed for light trucks. Moving on to our example, the 245 shows how wide the tire is in millimeters from sidewall to sidewall. The number that follows in our example, 70, means the height of the tire is 70% of its width. The letter after that in our example, R, describes the type of tire (on this vehicle, radial). Following that is the diameter in inches, in our SUV example, 17 inches. How much load the tires' sidewalls are designed to take is what that next number is all about (108 in our example). The higher the load index, the more weight the sidewalls can take. And the last letter is the speed rating of the tire, in our example, T. The further along in the alphabet that letter is, the higher its speed rating. So now you know what those letters and numbers mean. But why are they important? When you are getting ready to replace those tires, those numbers are telling you what the original equipment was when your vehicle was new. Sticking with the same rated tires is always a good idea. If you don't know what you're doing, trying different sized tires and wheels can cause real issues when it comes to performance and safety, considering all the computerized systems now found on vehicles. When in doubt, consult your service advisor when it comes to buying new tires. He or she knows what those tire numbers and letters mean… and a whole lot more. Auto Authority LLC | ||
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