In the winter, it is an important factor for the stable and efficient operation of the vehicle in the winter to properly replace the engine oil and perform proper seasonal maintenance of the vehicle. We have made a brief summary of some considerations in the maintenance of motor oil in winter.
In winter, a multi-grade viscosity oil is ideal for trucks. According to the classification of kinematic viscosity of engine oil by the International Automotive Engineers Association (SAE), multigrade engine oils marked as SAE15W-40 can provide effective engine protection at minus 20 degrees Celsius. If lower temperatures are to be dealt with, "10W" can be selected. "5W" oil.
The oil is not as expensive as possible
It may be that when many people choose oil, there is such an idea that the better and more expensive the oil is, the better it is for the car. This kind of thinking is wrong. Under normal circumstances, a good quality oil film will be thinner, better protection, in the cleaning effect, sealing, power boost, mute effect, engine start and other aspects of indicators will be a little higher, but the different models of the engine with the gap The process is not the same, especially the old machines that take a long time may have a series of problems such as burning oil and power drop. Therefore, you should follow the vehicle maintenance manual to select the oil.
Four principles of oil selection
1. Select the viscosity level of the oil according to region, season, and temperature.
2. According to the engine load, speed, production date and configuration, etc. select the quality level of the oil.
3. Select the quality level of the oil according to the capacity and power ratio of the oil tank.
4. Select oil according to the time of use and wear of the engine.
Hot oil change is better when changing oil
When the oil is replaced, the vehicle should be avoided when it is cold. Especially in the winter, the flow of the oil is poor, and the old oil will remain in the engine. As a result, the old oil is not clean and should be hot in the vehicle. Under the circumstances, the parking system is cooled and replaced for a while. At this time, the oil flow is good and the old machine oil is relatively clean. However, care should be taken to avoid burns.
Oil change cycle three principles
In accordance with the vehicle conditions / conditions: poor working conditions should shorten the oil change period.
According to the quality of the oil product: the lower oil of the high grade oil has a long oil change period.
According to the use of the environment and conditions: temperature, air cleanliness, fuel, use conditions.
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