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Classes of viscosity and range of use of oil

As the range of uses of neighboring SAE grades overlap, you can not pay attention to short-term temperature fluctuations. Allowed to mix oils of different viscosity grades, if you want to top-up the oil, and the ambient temperature does not correspond to the class of viscosity of oil poured into the engine.

At long external temperatures below -20 ?� C is recommended to fill in oil SAE 5W-20.

Motor oil CD, which the manufacturer designates as oil for diesel engines, are not suitable for gasoline engines. There are oils, the use of which is possible in the two types of engines, in this case, as the oil indicated two labels, such as SG / CD.

Additional additives, irrespective of their type and destination, must be added to the oil.