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The Car Doctor Guide to Servicing Your Differential

Differential? What's that? And what's it for? I've been told by my service advisor that I need to get it serviced, but is that on the level?

Do these questions sound familiar? They're not uncommon for Oklahoma City drivers. A lot of us in Oklahoma City don't know what a differential is or what it's for. Every vehicle has a differential, and, yes, it does need to be serviced. In fact, it's more important to the operation of your vehicle than the air conditioner or windshield wipers.

A differential allows your vehicle tires to move at different speeds. This happens more than you think. The best example is when a vehicle is turning. The inside wheel travels a much shorter distance than the outside wheel during a turn. This means the outside wheel has to move faster than the inside wheel. Without a differential, your tires would hop and skip while turning. They would also lose traction in sand or snow.

The location of your differential depends on what kind of vehicle you drive. On a rear-wheel drive vehicle, the differential is located in the back. For a front-wheel drive vehicle, it is located on the front, but it is usually called a transaxle. Four-wheel drive vehicles have three differentials: one on the front, one in the back and one in the middle. This center differential compensates for differences in speed between the front and rear wheels.

Your differential contains strong gears that need to be protected from dirt, debris, water and other contaminants. A differential is sometimes referred to as a “gear box.” The work of these gears is to transfer power from the vehicle drive train to the wheels.

Your differential needs fluid to lubricate and cool the gears. This fluid, even though enclosed in the “gear box,” can get dirty because the gears grind down over time, releasing tiny bits of themselves into the fluid. Also, the additives in the differential fluid break down and need to be replaced. That's why preventive maintenance for your vehicle needs to include servicing the differential.

Your owner's manual can give you recommendations on how often to service your differential. But you should also consult with your friendly and knowledgeable Car Doctor professional. Car Doctor can give you some good auto advice on whether your vehicle needs to be serviced more frequently. For example, if you drive in hot or cold Oklahoma weather conditions, your differential will need to have its fluid changed more often.

Severe conditions will also affect your vehicle care routine and your differential. Check your owner's manual for a definition of “severe service” conditions that affect your vehicle. Examples may include driving with frequent stops and starts, a lot of short trips around Oklahoma City, hot or cold Oklahoma weather conditions and towing.

Off-roading is particularly hard on a vehicle's differential. If you are an off-roader, especially if you cross Oklahoma streams or waterways, it is important that you service your differential more frequently than the recommendations suggest.

Properly servicing your differential will extend its life and keep you out of Oklahoma City auto repair shops. A smooth ride is the result of proper preparation and smart choices.

 Car Doctor
1217 N.W. 5th St
Oklahoma City, Oklahoma 73106
405-232-1949
http://mdcar.net

 

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Differential Service at Car Doctor: Viva la Difference

Every vehicle on Oklahoma roads has a differential, and it is important to the proper operation of the vehicle.  But most Oklahoma City 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 drive vehicle because its location allows it to be combined with the transmission.

In an all-wheel drive vehicle, an additional differential or transfer case is located between the front and rear axles. Differentials are strong: They have to be because of the job they do. But those tough parts need proper lubrication. You don't want your differential to seize up. That results in damage to your vehicle.

So you need to have your vehicle differential serviced regularly. It's not a complicated job. At Car Doctor in Oklahoma City, we've been servicing differentials for years. The used lubricating fluid is simply drained and then replaced. Some vehicles require specific additives in the differential fluid; your Oklahoma City service center will ensure you are getting what your vehicle needs.

The intervals in time or mileage for servicing your differential vary greatly from vehicle to vehicle. Check with your owner's manual or Car Doctor service advisor to find out how often your vehicle differential needs to be serviced.

Car Doctor
1217 N.W. 5th St
Oklahoma City, Oklahoma 73106
405-232-1949
http://mdcar.net

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Car Doctor is a pillar of the community. Car Doctor is a leader in offering name brand tires, wheels, auto repair and brake services for customers located in and around the Pueblo, Colorado area. Our goal is to focus on customer service. It is the foundation of our business. Car Doctor employs a well-trained staff specializing in the sale and installation of passenger car, performance and light truck or SUV tires. Custom wheels are available at Car Doctor. Special wheels and rims compliment any tire or customer vehicle. Complete under-car services, such as oil changes, brakes, shocks, struts, alignment, and transmission repair for both foreign and domestic vehicles are readily available at competitive prices. Take this opportunity to browse Car Doctor website or call us for personalized service.

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