What oil should I fill in the automatic transmission?

The car has long ceased to be a luxury, heis available in most Russian families. Operating an iron friend almost every day, we imperceptibly approach the moment when it becomes necessary to replace the oil in the transmission. Many cars have passed through several owners, service books have long been lost and no one will be able to say exactly which oil is stuffed into the gearbox. Everyone knows that two types of boxes are installed on cars: automatic and mechanical. What oil should be poured into the automatic transmission, and what is in the manual? Different types of lubrication are required for each type.

Oil for automatic transmission

Consider what oil to fill in the automatic transmission. Since the automatic transmissions differ significantly from the mechanical ones, they are filled not with a simple gear oil, but with a special low-viscosity fluid for automatic transmissions (ATF). Determine which oil is filled: mineral, semisynthetic or synthetic, in appearance and smell is almost impossible, since after a short period of time all the oil becomes transparent brown. Use is desirable that oil, which is recommended by the manufacturer and included in the instruction manual of the car. If you do not have such instructions, then the necessary information can be obtained from special literature or catalogs, a huge assortment of which is presented in auto shops.

If you do not know which oil was filled in the automatic transmission(mineral, semi-synthetics or synthetics), then it is worthwhile to double the oil change. This is due to the fact that it is impossible to drain all the oil from the box and some of the oil remains. A mixture, for example, mineral wool with synthetic, can lead to the exit of the box-machine out of order.

I think every driver understands that it is better to pour inAutomatic is synthetic oil, rather than mineral, because synthetic has higher quality characteristics, has a long service life. The replacement of oil in automatic transmissions is recommended by most car manufacturers through 70 thousand kilometers of run or every two years. If your car is used in harsh conditions, then the replacement must be made after 25 thousand kilometers or after 1 year of operation. It is necessary periodically, every 7-10 days, to check the oil level.

Oil for manual transmission

Mechanical gearboxes are at allcars of domestic automakers, which means it is necessary to describe what oil to fill in the checkpoint. In ordinary cars and trucks only gear oils are used, the choice of which is carried out according to two main indicators: the specific loads in the mechanism and the speed of relative slip. Important factors are the presence in the oil of extreme pressure additives, which reduce wear in conditions of heavy operation of the unit, and the degree of its viscosity.

High viscosity of oil makes it difficultsynchronizers work, worsens the lubrication of the parts of the box. The most applicable transmission oils are 75W-80. In the boxes of front-wheel drive vehicles produced by VAZ, it is permissible to use, in addition to transmission oils, engine oils with a viscosity of 5W-50 or 10W-50. And there is not much difference for the manual transmission, which oil is filled, mineral, synthetic or semi-synthetic. Everything will depend only on your preferences and financial possibilities.

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