Summer Motor, What Kind Of Lubricant Is Good?


Posted May 10, 2019 by Aggisxjetl

The Danfoss Motor will explain what should be paid attention to when choosing a lubricant for a summer car motor? Under what circumstances can high viscosity lubricants be used?
 
The pace of summer is slowly approaching us. The hot season is coming. Not only the outdoor temperature rises, but the temperature of the road is also testing our car. The high-speed operation of the motor brings more heat. We need a bottle for this. Lubricating oils operating in a temperature environment require some owners to replace high-viscosity oils in the summer. In fact, this requirement is not objective.

  In theory, high viscosity oils are used, but the oils currently on the market have changed a lot compared with the traditional habits. For example, SL grade synthetic oils contain high temperature resistance and antioxidants. It is called all-weather oil or four seasons oil when it is thickened by heat and cold and thin. The Danfoss Motor will explain what should be paid attention to when choosing a lubricant for a summer car motor? Under what circumstances can high viscosity lubricants be used?

  The first 5W30 or 10W30 low-viscosity motor oil has good adaptability in the summer high temperature season. At the same time, compared with the last century, the cars produced in this century are in the selection of new metal materials, processing precision, and application of electronic technology. Significant changes have taken place. It requires a good oil film fluidity and continuity. High viscosity oils are no longer suitable for a new generation of cars.

  Secondly, the use of excessively viscous oil will increase the fuel consumption. Due to the excessive viscosity, the friction between the friction surfaces of the parts will increase. To overcome the increased friction, more fuel will be consumed, resulting in energy. Waste, it is understood that at present, the low viscosity of oil has become a trend. In China, although there is no mandatory requirement for lubricating oil energy, low viscosity will be the future development trend.

  Thirdly, if the viscosity of the oil is too large, the wear of the motor will be accelerated. Because the viscosity of the oil is too large, the flow is slow and the oil pressure is high, but the passing amount of the oil is not much, and it cannot be added to the friction surface in time, and the circulation speed of the oil also changes. When it is slow, its cooling and heat dissipation effect will become very poor, which will cause the motor to overheat. Because the oil circulation speed is slow, the number of passing oil filters is reduced, so it is difficult to timely wear the worn metal chips and charcoal. The particles and dust are washed out from the friction surface.

  Therefore, summer car motors do not need to use excessively viscous lubricants, and the higher the viscosity, the better. In the following three cases, high viscosity oils can be used.

  In three cases, high-viscosity oil should be used. First, the old vehicle, the motor wears severely, the gap between the various components is large, and the oil with low viscosity is easy to get into the combustion chamber to burn with the gasoline and form carbon deposit. The second is heavy-duty transport of heavy-duty vehicles. The rotating parts are very squeezing. The high-viscosity oil can ensure that the oil film of the oil does not break. The third is extreme driving, such as a car with a speed of more than 160 km. The ultra-high temperature at the extreme speed requires high viscosity oil to maintain its lubricity. Generally, vehicles running on the highway can only be called high speed instead of extreme speed.

  Correct selection of viscosity level during hot season

  How to choose the right oil in the summer hot season? Under the condition of ensuring lubrication, according to the temperature range, motor temperature and actual condition of the use, use the lubricating oil with small viscosity as much as possible. For the motor with better condition and less wear, Lubricating oils with a small viscosity, such as 5W30 or 10W30, can be selected, and for motors with relatively high wear and large gaps, a slightly more viscous lubricating oil such as 10W40 can be used.

  It should also be noted that due to the large temperature difference between summer and winter, the summer oil pressure gauge is generally low, but as long as it is within the reasonable range specified in the manufacturer's driving manual, it is a normal phenomenon, the majority of car owners do not need to panic for this matter, if oil If the pressure gauge is too high or too low, it is too far from the normal situation or is not within the reasonable range. Then you need to check it thoroughly to see if there is any problem with the motor, such as the sensor is broken, the oil is blocked, etc. Do not see the oil pressure gauge is low, you are desperately choosing a very high viscosity lubricant!!

  Many car owners have a vague understanding of the use of lubricating oil. They think that as long as it is a lubricating oil, it is OK to change the 5,000-kilometer. It is not known that the type of lubricating oil is improperly selected. The oil-changing cycle is not well grasped. Long-term use will produce the vehicle. Great influence, some of the same model has a good condition of 200,000,000 kilometers. In addition to the driving method, the reasonable choice of lubricating oil is also very important. As long as you can pay attention to summing up the experience, carefully compare and scientifically select the lubricating oil. And master the oil change cycle, your car will be able to stay young and last forever.

  
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Last Updated May 10, 2019