CarCare
Continued from Page 1

Finally, don’t forget about chassis lubrication. Many cars on the road today incorporate “sealed” systems, but others do not. They need regular lubrication. And for these applications, use the proper grease. Automotive grade lubes specifically engineered for undercarriage use is what you should look for (or demand).

Tire Rotation & Tire Pressure

If the tires on a car are the same size, tire rotation is definitely beneficial. Tire rotation can extend tire life and at the same time, restore traction and handling as the tires wear (and age). You’ll most often find tires on the front axle are more prone to wear than rear tires. Aside from drive type, the front tires live in a much more dynamic environment (for example, steering and turning along with upward and downward travel). Because of this, each wheel position on the car can cause different wear rates and different types of tire wear. That’s why tire rotation is important. Another important factor is this: When all four tires are given the opportunity to wear equally (when rotated), optimum handling is maintained for an increased period of time.


So far so good, but what tire rotation pattern should be followed? That’s a good question. Different tires (for example directional tires) demand specific rotation practices. So can rotation patterns for use with and without the spare. Your owner’s manual can help layout the various rotation patterns.


Tire pressure is a serious issue too. There are any number of studies indicating upwards of 90 percent of all the vehicles on the road operate with improperly inflated tires. Incorrect tire pressure can compromise cornering, braking and stability. In a worst-case scenario, improper tire pressure can lead to tire failure. There’s more too: Incorrectly inflated tires also have an affect upon fuel economy and tire life. Tire pressure changes constantly. This may be caused by a minor leak, but the most common factor in pressure change is ambient temperature. Should tire pressure is too low friction between the road and the tire increases. This results in increased tire wear and also creates a situation where the tire can overheat. Simply stated, improperly inflated tires wear out sooner and in many cases can constitute a hazardous driving condition.


In order to check the tire pressure, determine the correct settings first. Late model cars have the tire pressure printed on a decal found on the driver’s door jamb. If the rating decal is missing, the owner’s manual contains recommended pressures. Tire pressures should be checked with the tire is cold. When checking tire pressure, check all of the tires. Use an accurate gauge (there are many different types out there, but the most accurate are the large face dial types).

Continued on Page 3

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