The engine is the "heart" of the car. If it is used for a long time, it may cause problems. In order to play a preventive role and reflect the concept of "cultivation for maintenance", it requires timely inspection and maintenance, so this short article is about the maintenance of automobile engines. Give a brief explanation.
The maintenance of the engine should be maintained from three aspects: engine fuel system cleaning and maintenance, engine lubrication system cleaning and maintenance, engine cooling system cleaning and maintenance.
Engine Fuel System Cleaning and Maintenance
When the automobile engine works, it will produce carbon deposits at the nozzle, spark head, valve, cylinder top, piston working surface and piston groove. Over time, carbon deposits appear as colloidal sinkers, which can cause a decrease in the volume of the combustion chamber and a decrease in the working efficiency. Many uneven hot spots occur during the combustion process, causing the mixture gas to burn in advance, resulting in decreased efficiency and burning failure. Completely, exhaust emissions increased; oil supply, poor ignition, there is idling instability, lack of fire, knock; plug the piston ring groove, resulting in poor lubrication of the cylinder, and then contaminate the lubrication system, plug the oil and oil filters and so on. Therefore, the engine fuel system needs to be cleaned and maintained. There are mainly two different cleaning methods: one is to add the “cleaner†directly into the fuel tank in a certain proportion, and perform internal circulation cleaning in the normal running state of the automobile; the other way It needs to be supplemented with special equipment to clean the engine under idling conditions, and eventually the decomposed carbon rubber will be discharged with the exhaust gas.
Recommendation: The fuel filter should be replaced promptly after cleaning. Every 10,000 kilometers of the car should be cleaned and maintained regularly. Always use a good oil for maintenance.
Engine lubrication system cleaning and maintenance
During the operation of a car, in the case of an engine lubrication system, deposits of oil, oxides of machine parts, particles worn by metal parts, dust from the air, etc. are continuously deposited into sludge, grease, and glue. Quality and coke. Over time, these substances form an adhesion layer and a buildup layer on various parts, pipes and valve mechanisms, which will seriously impede the smoothness of the lubrication system, reduce the cooling function of the parts, increase the wear of the coupling parts, and reduce the work efficiency. Therefore, the maintenance of the engine lubrication system is also very important. The specific use is to pour the cleaning agent into the crankcase and after 5 to 10 minutes idle, drain the old oil.
At this point, the sludge, grease, and carbon deposits in the lubrication system will be fully decomposed with the old engine oil, but care must be taken to replace the oil filter at the same time.
Suggestion: This cleaning and maintenance is suitable for use when changing the oil. After the cleaning, the oil protection agent can be added. This can effectively increase the service life of the vehicle components and enhance the engine power.
Engine cooling system cleaning and maintenance
It is well-known that a container of boiled water forms a thick, hard scale on the surface of the inner wall after repeated use for a period of time. The same applies to the engine water tank. The heat generated when the engine is running at a high speed is sent to the water tank through the water circulation system. The water tank is used for heat dissipation to ensure the normal operation of the engine. Over time, the inner wall of the tank will also be covered with a thick layer of scale. When scale deposits to a certain extent, it will cause the tank volume to become smaller, affecting the circulation of cooling water. Due to the poor thermal conductivity of the scale layer, it can also cause deterioration of engine lubrication conditions, overheating of mechanical parts, failure to maintain normal working clearances between interlocking parts, deterioration of mechanical properties, and thus reduction in engine power and fuel consumption, and even influencing. life span.
Therefore, it is necessary to clean the engine cooling system after the vehicle has been running for a period of time. This cleaning and maintenance can play a role in detergent, rust, rust, and acid. The scale removal rate can reach more than 85%. The operation is very simple: just add the “cleaning agent†into the water tank and clean it under normal running conditions. After a few hours, drain the waste water from the tank and add new coolant or antifreeze solution again.
Recommendation: This cleaning and maintenance should be performed at least twice a year.
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