Tag-Archive for » car maintenance «

Wednesday, January 27th, 2010 | Author: admin

How To Prevent Your Car’s Tires From Skidding

Most people attribute skidding to reckless driving. They imagine young drivers swinging around sharp corners or traveling at unsafe speeds. While these factors can play a role, there are other contributing influences that place millions of motorists at risk.

In this article, I’ll explain the most common reasons vehicles skid. They include road conditions, the health of your tires, and a few additional factors that may surprise you. I’ll also provide a few tips for maintaining control of your car, providing better safety for you and your passengers.

Where The Rubber Meets The Road

The likelihood of skidding is a direct result of the friction between the road and your tires. The surface on which you’re driving influences the amount of friction that exists. For example, a given street may offer more coarseness and thereby, more friction than other streets. On the other hand, smooth concrete will offer far less friction.

Aside from the road’s surface, weather conditions can also influence the amount of friction. For instance, a road that is normally coarse will offer less friction if it is covered in water. It will offer even less if it is covered in snow or ice. Less friction translates into a higher likelihood of a skid.

Your Tires

It won’t surprise you that the treads on your tires influence their grip on the roadway. Heavier treads will always provide more friction than worn treads. This is the reason safety experts recommend buying new tires when your treads wear down.

The pressure within your tires and their temperature can also influence their ability to grip the road. Both underinflation and overinflation tend to reduce the amount of available friction. Moreover, if your tires are too hot, they will soften. If this occurs, they will be less able to maintain their grip.

Other Contributing Factors

The speed and trajectory of your car both play roles in your ability to prevent skidding. In effect, a quicker pace in a direction that is inconsistent with the roadway makes a skid more likely.

Related to your vehicle’s trajectory, the manner in which you steer during a skid will either alleviate or exacerbate the situation. A lot of inexperienced motorists will turn their steering wheels too far in order to compensate, making the skid worse.

Tips For Maintaining Control

If you’re caught in a skid, the most important thing you can do is to focus on where you want to go. Ignore objects you suspect you’ll hit (i.e trees, curbs, other vehicles, etc.). Instead, look toward the space at which you would like to end up. Doing so will help you make the counterintuitive move that most drivers neglect: to steer in the direction you’re skidding.

You should also apply acceleration during the skid. This too, will seem counterintuitive, but it helps your tires regain their grip on the roadway. You’ll then notice a small pause as your vehicle regains its balance. Continue to point your tires in the direction of the space at which you would like to arrive.

The takeaway is that skidding is a direct result of a loss of friction between your tires and the road. If your treads are worn, replace them. If you find yourself in a skid, follow the instructions above to right your vehicle and remain safe.

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Tuesday, March 17th, 2009 | Author: admin

Preparing Your Car For A Long Road Trip

Whether you and your family are getting away for the weekend or planning an extensive vacation, a long road trip requires careful preparation. Cars are built to be more reliable today than ever. But, even with proper maintenance, parts can still fail. Fortunately, by planning ahead and taking the right steps, you can reduce your chances of breaking down. You can even fix minor problems yourself after you’ve pulled your car to the side of the road. Here are 3 important things you should do to get your vehicle ready for the road trip.

Two Weeks Before You Leave

Take your car to a trained auto mechanic at least two weeks before leaving for your vacation. A lot of drivers wait until the last day before visiting the repair shop. That’s a bad idea. If your vehicle needs repairs or replacement parts, your mechanic might need more than one afternoon to do the work. Plus, auto repairs aren’t infallible; things can go wrong. When they do, it’s usually within the first 150 miles. Giving yourself a couple of weeks to “test drive” the repairs allows plenty of time to have them fixed if problems occur.

Prepare Your Roadside Emergency Kit

Even with the best preparations, you can find yourself stranded by the side of the road. For example, you might get a flat tire, your battery may unexpectedly fail, or you might be involved in a traffic collision. Pack a flashlight, bottled water, hazard flares, and jumper cables. You should also have a spare cell phone battery, a small pad of paper and extra pens. That way, if you are involved in a traffic accident, you can take notes and write down the other driver’s information.

A Few “Quick Fix” Essentials

Any long car trip requires carrying a few extra auto supplies. Your vehicle should already have a spare tire and a small jack in the trunk. You should also pack a few bottles of motor oil and transmission fluid. Plus, in addition to the items in your roadside emergency kit, pack a can of tire sealant, a few roles of electrical tape, and basic tools, such as a screwdriver and pliers.

One last note about the small jack in your vehicle’s trunk. Test it before leaving your house. Often, they’re designed for portability rather than strength. For larger vehicles, the jack may not be sufficient; in some cases, using it may even be dangerous.

Preparing for that long road trip can be time consuming task. Being prepared and covering all your bases and keeping up with the car maintenance will give you piece of mind for the journey ahead.

Taking your car on a long road trip should be worry-free. But, you need to plan ahead in order to avoid problems. Visit your mechanic a couple of weeks before leaving, replenish your roadside emergency kit, and pack a few extra auto supplies. If something goes wrong while you’re on the road, you’ll be better prepared to resolve the issue.

For all your used Honda Accord Parts and used Honda Civic parts needs consider the leader in parts, http://www.everdrive.com

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Wednesday, March 11th, 2009 | Author: admin

How Your Car Senses Oxygen Content

In today’s cars, the introduction of the oxygen sensor has paved the way for a host of technological advancements, such as emission control and electronic fuel injection. By feeding data directly to the electronic control unit, the car is able to make numerous adjustments to maximize fuel efficiency and minimize pollution. In today’s article, I’ll quickly describe the operation of your vehicle’s oxygen sensor.

Basics Of Operation

This part consists of a ceramic cylinder plated with platinum electrodes, contained in metal gauze. It works by measuring the oxygen difference between the external atmosphere and exhaust fumes depending on resistance or voltage changes. Due to the fact that the sensor is most effective at 1,500 °F, newer models contain heating elements within the ceramic.

The most common type is known as a zirconia sensor. Constructed from a zirconium dioxide ceramic, dual electrodes produce a specific voltage corresponding to the difference between atmospheric oxygen content and exhaust. If the voltage is approximately 0.2V, then the engine is burning a lean mixture, where there is an excess. If the voltage is at 0.8V, then the engine is burning a rich mixture, where fuel is left unburned. Ideally, the voltage should be at 0.45V, signaling that the fuel-to-air ratio is correct.

Besides ceramic units, other technologies are employed, such as electrochemical, ultrasonic, infrared, and laser. Each has their own unique set of pros and cons, such as accuracy, price, and operating range.

The Role Of Fuel Mixtures

This particular part is able to improve car performance by monitoring oxygen content in real-time, feeding data to the electronic control unit and subsequently adjusting fuel injection to compensate.

In an internal combustion engine, gasoline is burned in the presence of oxygen. In order to maximize efficiency and provide the maximum amount of power, the engine needs to achieve the correct air-fuel ratio, known as the stoichiometric point. The stoichiometric point varies depending on the substance being burned, but it is the point at which the amounts of oxygen and fuel are in perfect balance. In gasoline, this is defined as 14.7:1. If the ratio is higher, then a rich burn results, while a lower ratio results in a lean burn (as I described above).

Besides being able to detect oxygen content, the part is also able to adjust in light of a wide range of variables, including altitude, barometric pressure, and engine load. In the event of a sensor failure, the engine will keep running, but suffer a fuel efficiency drop and overall performance decrease.

I realize that a lot of what I’ve explained above is more than most drivers will ever need (or want) to know. But, regular readers will know that I have a long-held passion for cars and all of the parts and systems that contribute toward its operation. As I’ve said in the past, they more you know about how your vehicle works, the better prepared you’ll be when it’s time to visit the repair shop.

For all your Guaranteed used auto parts and used transmissions needs the leader in parts is http://www.everdrive.com

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