The principle of replacing the lubricant in vehicles is the same as that of people eating

In fact, the principle of replacing the lubricant in vehicles is the same as that of people eating. Question : There are additives in my lubricant, it is a good lubricant. The performance in this area may be improved, but the performance in other areas will be reduced accordingly. Through some image metaphors, this problem can be well understood and solved. Question : What lubricating oil should I change for my car and how often should I change the oil? Metaphorical explanation: How long to eat a meal and what to eat at each meal is determined by a person's physical condition and taste, not by food. It is dirty because it removes all the dirt accumulated before. 

For well-known brands, customers will be more convinced of these indicators marked by the manufacturer. When the oil change time limit is reached, do I need to change the oil? Metaphorical explanation: After you finished your lunch, you slept for an afternoon. Technical explanation: The Aluminum alloy machining choice of engine lubricant and the oil change mileage are determined by the working condition of the engine and the processing level of the engine itself, not by the lubricant. 

Technical explanation: Generally, API and SAE are rarely marked on the packaging of engine lubricants. Owners can clarify what grade (API) and viscosity (SAE) lubricants should be used when changing the oil according to the regular maintenance chapter in the 'Driver's Manual' equipped with their vehicle, as the primary consideration when changing the oil. Metaphorical explanation: If someone says that my meal contains carbohydrates, protein and fat, it is a highly nutritious meal, do you believe it? 

Parts Technical explanation: Lubricants are made of base oil plus various additives. Question : It turns out that my car uses mineral oil. Question : Does adding some additional additives to the engine help the engine work better? Metaphorical explanation: If lubricating oil is 'auto food', then all kinds of additives are 'auto medicine'Auto Parts Question : What is the brand of lubricant? 

Metaphorical explanation: Food packaging will indicate the proportion of various ingredients, and the brand of the food is the credibility of this ingredient ratio. After changing synthetic lubricants several times, this situation naturally disappeared. Only when a certain aspect of the engine is in poor working condition and the overhaul is not worthwhile (for example, it is close to the end of life), additives can be used to temporarily maintain it.