Automobile lubricating oil is an indispensable item for automobiles. Without lubricating oil, automobile cylinders will wear out seriously and affect the performance of the engine. Therefore, for the healthy driving of the car, it is necessary to use lubricating oil reasonably. Of course, the choice of lubricating oil is different in different seasons. Let’s learn about the selection of lubricants in winter car maintenance.
How can I choose the right lubricant products for my car?
The temperature drops significantly in winter. Ordinary lubricating oil products become thicker when the temperature is low, and their fluidity is weakened. It takes longer to reach the parts that need lubrication, which makes the vehicle difficult to start and wears more. Therefore, in winter, it is best to choose lubricating oil products with low base oil viscosity and low pour point, so that it can continue to bring good lubrication to the car engine.
So, what kind of lubricant should I choose? Generally, it is more appropriate to choose general-purpose engine oil for winter and summer, and then brush it according to your own situation.
First of all, the choice of lubricating oil should be selected according to the requirements of the engine. You can neither use too high-grade oil on engines with lower requirements, nor use lower-grade oil on engines with higher requirements. The choice of lubricating oil can be increased by one level on the basis of the manufacturer’s recommendation, or the performance of synthetic engine oil is better.
Secondly, try to choose general-purpose oil for winter and summer. The general-purpose engine oil can maintain stable lubrication performance no matter how the temperature changes, and has a better protective effect on the engine.
Again, it depends on the condition of the engine. If the engine is new or in good condition, use low-viscosity oil as much as possible, such as 0W-40, 5W-40, and 10W-40, so as to make the lubricating oil flow faster and reduce the wear when starting.
After *, if it is in the high temperature season or the engine has worn to a certain extent, it is necessary to choose high-viscosity oil, such as 15W-50, etc., which will help to form a thicker oil film, maintain oil pressure, and reduce oil consumption.
After selecting the lubricant, how to add it is another knowledge. The following will teach you some precautions for adding lubricant.
The amount of oil added is not as much as possible. If there is too much lubricating oil, it will increase the rotational resistance of the crankshaft and reduce the output power of the engine, and the excessive oil will burst into the combustion chamber and burn, causing the vehicle to burn engine oil, emit blue smoke, and increase fuel consumption. The residue after the oil combustion will accumulate on the combustion chamber wall, reducing the space of the combustion chamber, thereby reducing the compression ratio of the engine; at the same time, it will also accelerate the wear of the cylinder and piston, thereby reducing the service life of the vehicle. Therefore, when adding lubricating oil, it is advisable to keep it slightly lower than the *high mark of the oil dipstick; in addition, it is necessary to grasp many factors such as the type of oil, the season of oil change, and the performance of the engine.
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