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Monthly Archives: September 2013

Differential Service at Allen's Automotive Center: Viva la Difference

Every vehicle on Tennessee roads has a differential, and it is important to the proper operation of the vehicle.  But most Memphis residents don't have a clue what it is.The differential compensates for differing wheel speeds. For example, when you turn, the inside tire on the turn travels a much shorter distance than the outside wheel. So the inside wheel of the vehicle must move at a slower speed than the outside wheel. Without a differential, the wheels would hop and scrape while turning.Have you ever seen the large bulge in the middle of the rear axle of a truck? That's the differential. In a rear-wheel drive vehicle, the differential is located on the back axle. Four-wheel drive vehicles and SUV's have differentials on both the front and the rear axle.You might expect that the differential is located on the front axle of a front-wheel drive vehicle. You'd be right. But the differential is called a transaxle on a front-wheel dr ... read more

Allen's Automotive Center Guide to Using the Correct Fluids in Your Vehicle

Allen's Automotive Center Guide to Using the Correct Fluids in Your Vehicle

Today's Allen's Automotive Center post focuses on using coolant. If you pour in the wrong kind, it won't protect the cooling system and may even void the warranty. Check your vehicle owner's manual. Of course, your Allen's Automotive Center service advisor will know the proper coolant for your vehicle.Brake fluid is confusing for some Memphis drivers. Back when we opened Allen's Automotive Center, most vehicles used Dot 3 brake fluid. Now we have Dot 4 and Dot 5. Some Memphis residents mistakenly think the higher numbers are an upgrade. You know, if 3 is good then 4 must be better. That's not how it works. They are different formulations to meet the demands of differences in brake systems. Only one of them is designed for your vehicle.Ditto for transmission fluid. For decades there were two basic types of tranny fluid used at Allen's Automotive Center: friction modified or not. With the tremendous engineering advances in vehicle automatic transmissions, there have been several n ... read more

Categories:

Fluids

Service to Improve Fuel Economy

The price of gas in Tennessee has got people in Memphis talking. It seems that Memphis folks who need a bigger vehicle to carry family and gear, or provide four wheel drive, are hit especially hard. That is why we thought it would be good to review some things that anyone can do to improve fuel economy. First let's start with how we drive around Tennessee. People in Memphis may not realize that they can really save on gas by just changing a few driving habits. One of the biggest is jackrabbit starts - you know, flooring the gas as soon as the light turns green. That really wastes a lot of fuel. Building up your speed at a slower pace uses less fuel and is easier on your engine and drive train. And don't drive with one foot on the brake. That's also a drag on fuel economy, and it wears out your brakes faster, too. Another thing Memphis drivers can do is drive more slowly - but only when it's safe. Sometimes on the freeway we drive an e ... read more

Categories:

Fuel System

Tire Rotation and Balancing at Allen's Automotive Center in Memphis

Tires do a lot of work for Memphis drivers. They transfer engine power and braking forces to the road; they handle steering control; and they cushion all those bumps and jolts while driving around Memphis. They also support the entire weight of the vehicle, including you and your passengers. With such important work to do, you want your tires to do their job well. And since replacing tires is fairly pricey, you want them to last as long as possible. There are three keys to long, even tire wear for Memphis driving: Proper tire inflation Proper wheel alignment Regular tire rotation and balancing The front tires on a car take the brunt of the steering forces. As they push through turns, the shoulders of the front tires wear down more quickly than the rear tires. Rotating front and rear tires allows them to all wear at about the same rate. That's especially true of front-wheel-drive vehicles whose front tires steer and put the power to the road.SUVs and pic ... read more

Categories:

Tires and Wheels
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