How to choose engine oil

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(Free-Press-Release.com) December 5, 2011 -- Car manufacturers specify engine oil is best? The more expensive oil price the more applicable? Many owners there oil the face of cognitive "blind spot", how to choose a better, more suitable for the oil to become majority owner of the urgent need to know.

How long to replace oil

Currently on the market, mass-produced car, the majority needed an oil change mileage is 5000-10000 km. In actual driving, road conditions, vehicle speed, oil quality, will influence the drain intervals. Such as long-term driving in the urban areas, car parking off frequently, will increase engine wear, to speed up oil pollution, it is necessary to shorten drain intervals. In addition, car owners can periodically detect the status of oil, with oil dipstick dipped in a little oil on the fingers, such as the oil was black, very thin, and contains gravel, then the oil deterioration at this time, to be replaced immediately. Manufacturers specify the good oil

Some shop owners to 4S routine maintenance, the face of changing engine oil, always choose "× × manufacturer specified engine oil." "I feel the manufacturers specified, is certainly the best and most fly, so my car for nearly forty thousand kilometers, each time when oil changes and maintenance are specified by the manufacturer of the oil choice." Miss Wu told reporters that the owner, she know nothing about oil, oil from the other brands did not dare try, but honestly "follow the manufacturers to go."

In fact, the car manufacturers do not produce oil itself, the so-called "× × factories earmarked for oil", precisely should be called "first fill oil." Warranty period is generally used in automotive engine oil to meet the basic needs of the car, and when the owner is facing urban congestion, stop-or long-distance drive from from a variety of harsh road conditions, the car on the oil viscosity, oil film strength have put forward higher requirements. It is recommended that owners over the warranty period, as specified by the manufacturer to give up use special oil, choosing instead to a higher level of oil, to the car for better protection.

The higher the level the more you apply

In addition, special attention is that the higher the level of oil may not necessarily suitable for different cars. For example, the owner should select the appropriate use of the environment according to the vehicle's engine oil viscosity - such as 15W-40 or 5W-40, "W"

The smaller the number in front of the oil the better low temperature fluidity, the availability of lower ambient temperature, the cold start engine protection for the better; "W"

While the figure behind the oil temperature of the target, the greater the value describes the protection of oil at high temperature the better the performance. In short, if in the hot south, have a greater choice of W followed by numbers; if the winter cold in northern areas, you have to choose W in front of a smaller number.

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car maintenance     engine oil