With the continuous blowout of the auto market in the past two years and the gradual release of the transfer demand, the used car market is now showing unprecedented prosperity. At the same time, as the market matures and the concept of car purchase changes, many consumers who first purchase cars will also turn their attention to used cars.
Although used cars are getting more and more attention from people, technical problems such as the maintenance of used cars, due to the lack of professional knowledge, often become problems that plague consumers. Below, the technical experts of Qiyang used car will explain to you briefly how several important systems of the car should normally be maintained and whether or not special maintenance is required by observing certain conditions of the vehicle.
First, the fuel system cleaning and maintenance
 Under normal circumstances, the car needs to be cleaned and maintained every time it travels 10,000 to 15,000 kilometers, or it can be cleaned and maintained once when you notice that the engine is shaking, lagging and accelerating, black smoke, powerlessness, and fuel consumption. Remove colloidal and carbon deposits inside the system to prevent harmful corrosion, prevent and stop leakage of seals and tanks, and completely replace old coolant.
Second, the deepening of the lubrication system maintenance
The main function of the lubrication system is to effectively lubricate the various parts of the car engine to prevent excessive wear. Under normal circumstances, the car needs to be cleaned and maintained once every 5,000 to 10,000 kilometers. When the engine is exposed to excessive noise and acceleration, the water temperature is too high to be cleaned and maintained once. The sludge and other deposits inside the engine are cleaned to avoid oxidation thickening of the engine oil at high temperatures, reduce engine component wear, extend engine life, and increase engine power.
Third, the cooling system cleaning and maintenance Under normal circumstances, the car should be cleaned and maintained in the winter and summer season, 1 time, normal driving every 6 to 8 months cleaning and maintenance 1 times, or in case of water temperature is too high, leaking, cleaning and maintenance of the pot once . Remove traces and scales that cause the engine to overheat, prevent harmful corrosion, prevent and stop leaks in seals and tanks, and completely replace old coolant.
Fourth, the maintenance of power steering system
The car needs to be cleaned and maintained once every 40,000 to 45,000 kilometers, or it will leak when the steering is difficult. After replacing the parts of the power steering machine, it must also be cleaned and maintained once.
Remove the harmful sludge and paint film from the system, remove the difficulty in steering at low temperatures, stop and prevent the leakage of the power steering fluid, remove the steering noise, and completely replace the old brake steering fluid.
Fifth, gearbox cleaning and maintenance
The car is cleaned and maintained once every 20,000 to 25,000 kilometers, or it is cleaned and maintained when the gearbox slips, the water temperature is too high, the shift is slow, and the system leaks. Removes harmful sludge and paint deposits, restores elasticity of gaskets and O-rings, smoothes transmission shifts, increases power output, and completely replaces old automatic transmission fluids.
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