What items do you usually do for minor car maintenance?

Minor maintenance items mainly include replacing the oil filter. The following is a detailed introduction to the car maintenance project: 1, oil and oil filter replacement: mainly for the maintenance of lubrication system. The main function of lubrication system is to effectively lubricate all parts of automobile engine and prevent excessive wear. The function of oil filter is to remove all kinds of impurities in oil and ensure the normal work of lubrication system. When changing the oil, replace the oil filter. Under normal circumstances, the car needs maintenance every 5000 kilometers. 2. Replace the filter element: The function of the air filter element is to filter the air before it enters the cylinder, so as to remove impurities, dust, sand and other foreign bodies entrained in it. The cleaning and maintenance of air filter depends on the use environment. The gasoline filter element is generally replaced when driving to 20000-25000KM. 3. Replace the spark plug: the spark plug is a wearing part and should be replaced every 20,000 kilometers. In addition, brake fluid, transmission oil, battery, throttle, fuel injector, brake pad and other components are all routine maintenance items, which are maintained and maintained according to the usage.