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Common knowledge and methods of automobile maintenance in summer
1. Prevent evaporation. When the temperature is high in summer, the evaporation of oil and water will increase. Therefore, it is necessary to cover the tank cover tightly to prevent the oil pipe from leaking. Always check the water level of the water tank, the oil level and height of the crankcase, the brake fluid level in the brake master cylinder, the electrolyte density and level in the battery, etc. If there is any discrepancy, it should be supplemented and adjusted in time.
Protect the painted surface
In summer, the temperature rises, and it is often exposed to the sun, and the paint of the car is obviously not good. For car owners who cherish the car face, they must pay attention to protecting the paint surface of the car and often clean and wax it. If you want to protect your car paint more thoroughly, if you want to protect it more thoroughly, it is recommended to seal the car paint or coat it with a layer of "crystal protective clothing".
3. Prevent puncture
In summer, the use environment of automobile tires is worse when the road temperature is higher, so we must pay attention to the inspection and maintenance of automobile tires, and check the tire pressure regularly to prevent tire puncture.
4. Check the braking system. Summer is the rainy season, and the wet road surface in the rainy season leads to the decrease of the friction coefficient between the tire and the road surface, especially when there is water on the tire tread. Sensitive braking system is particularly important, so it is necessary to check the braking system from time to time and try to be prepared.
5. Keep the car clean and tidy.
In the summer when windows are open, all kinds of harmful gases and pollutants will attach to the seats and ceilings of flannel fabrics, so it should be cleaned frequently. Plastic parts such as dashboard and door trim should be cleaned with a brush and a general cleaner. In order to prevent the surface from cracking and aging after ultraviolet irradiation, a layer of wax can be applied after cleaning. Anti-overheating: In summer, the ambient temperature is high and the engine is prone to overheating. Therefore, the inspection and maintenance of engine cooling system, including water tank, thermostat, water pump and fan, should be strengthened in summer, and cooling water should be filled in time. When the water temperature exceeds 100℃, stop in the shade to cool down, let the engine run at idle speed, and open the hood to facilitate heat dissipation.
6. Spontaneous combustion and explosion
Spontaneous combustion in summer is partly caused by the design failure of some models, and improper operation or hidden dangers are also the main reasons. Due to the high temperature in summer, the failure rate of the car itself is greatly improved. Therefore, it is necessary to do a good job in the inspection of automobiles, focusing on the oil and electricity lines of automobiles. If the lines are found to be aging, they should be repaired in time to prevent spontaneous combustion.
7. Prevent poor lubrication
When the temperature is high in summer, automobile lubricating oil is easy to be diluted by heating, which makes its oxidation resistance worse, easy to deteriorate, and even causes faults such as tile burning and shaft holding. So always check the quantity and quality of lubricating oil and replace it in time. At the same time, it is best not to mix different brands of lubricants.
8. Use air conditioning correctly
As the temperature rises in summer, the importance of air conditioning suddenly appears. When using the air conditioner, you must pay attention to the following matters, otherwise it will easily damage the air conditioner or cause unnecessary waste of oil and electricity.
9. Prevent the mixture from being too thick
Because of the high temperature, gasoline is easy to flow, and because of the expansion of metering holes, gasoline flow increases, and gasoline is easy to evaporate, resulting in excessive mixture. Therefore, it is necessary to adjust a small number of holes, adjust the position where the acceleration device is connected with the throttle rocker arm, appropriately reduce the oil level in the float chamber and reduce the oil supply.
10. Pay attention to "antifreeze"
In summer, some people think that antifreeze can no longer be used, and ordinary tap water can be used instead. In fact, this is not appropriate. The specially prepared antifreeze is not only resistant to low temperature, but also resistant to high temperature. How much does it cost to keep a car a year? High-quality antifreeze can only "boil" when it is close to 200℃. Using antifreeze in summer, the owner is not easily troubled by the "boiling" of the water tank. In addition, antifreeze also has the functions of rust prevention and scale removal. Therefore, it is necessary to choose the original antifreeze in summer, which can play the role of "heatstroke prevention and cooling".
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