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Detailed explanation of eight causes of automobile suffering from "heart disease"
  • Automotive

The engine is the heart of a car. Bad maintenance will affect the performance and service life of the car. In order to keep the car away from the "heart neck", the experts pointed out to the car owners eight reasons for causing the vehicle to suffer from heart trouble. Reason 1: people usually like to spend a lot of money on retraining when they are not on time maintenance, but it is easy to ignore the regular maintenance of the engine. According to the professional automobile operators, the malfunction caused by bad engine maintenance accounts for about 50% of the total failure. "Visible engine maintenance plays an important role in prolonging the service life of vehicles. Reason two: oil deterioration of different grades of lubricants during the use of oil will change. After a certain mileage, performance changes, which may cause problems to the engine. In order to avoid the occurrence of these failures, it should be combined with the use of conditions, regular oil change to the car, and the oil is moderate, generally between the upper and lower limits of the oil scale. When the oil passes through the pores of the oil filter element, the solid particles and viscous substances in the oil are accumulated in the filter. If the filter is blocked, the oil can not smooth through the filter core, it will dilate the filter core or open the safety valve, from the bypass valve through, still bring the dirt back to the lubricating part, to accelerate the engine wear faster, internal pollution and accumulation. So the regular replacement of the oil filter is also important. Reason three: air filter plugging engine intake system is mainly composed of air filter and inlet two parts. According to different usage, regular cleaning of air filter element can be carried out by high pressure air blowing from inside to outside and blowing dust from filter core. Since the air filter element is paper, the air pressure should not be too high when blowing, so as not to damage the filter element. The air filter element should be replaced after cleaning for 3 times. The cleaning cycle can be determined by the air quality in the daily driving area. Reason four: air intake pipe dirty, if the vehicle often runs in the road conditions with more dust and poor air quality, we should pay attention to the cleaning of the intake pipe to ensure the unblocked intake of the intake. The intake pipe is very important for the normal operation of the engine. If the intake pipe is too dirty, it will lead to the decrease of the inflating efficiency, so that the engine can not operate in the normal output power range and aggravate the wear and aging of the engine. Cause five: during the operation of the crankcase oil sludge multi engine, the high pressure uncombustible gas, acid, water, sulfur and nitrogen oxides in the combustion chamber entered the crankcase through the gap between the piston ring and the cylinder wall, making it mixed with the metal powder produced by the wear and tear of the parts to form the oil sludge. A small amount of oil sludge can be suspended in the oil, precipitated from the oil when the amount is large, plugging the filter and oil holes, causing the engine lubrication difficult, thus aggravating the engine wear. In addition, the oil in the high temperature oxidation will produce paint film and carbon deposited on the piston, so that the engine oil consumption, power decline, seriously when the piston ring dead cylinder. Reason six: maintenance of fuel system maintenance fuel system includes replacing gasoline filter cartridge, cleaning carburetor or fuel nozzle and oil supply line. In the process of burning fuel through the oil road to the combustion chamber, fuel will inevitably form glial and carbon deposits, deposit in the oil channel, carburetor, nozzle and combustion chamber, interfere with the flow of fuel, destroy the normal air fuel ratio, make the fuel atomization bad, cause engine wheezing, detonation, idle idling instability, poor acceleration and so on. Performance problem. The use of fuel system cleaning agent to clean the fuel system can always keep the engine at its best. Reason seven: water tank rust and scaling. Engine water tank rust and scaling are common problems. Rust and scale will restrict the flow of coolant in the cooling system, reduce the heat dissipation, cause the engine to overheat, and even cause engine damage. The oxidation of coolant will also form acidic substances, corroding the metal parts in the water tank, resulting in water tank breakage and leakage. The water tank is cleaned regularly with a powerful and efficient water tank to remove rust and scale. It can not only ensure the normal operation of the engine, but also prolong the life of the tank and the engine. Cause eight: the most common malfunctions of the bad automobile engine in the cooling system, such as piston cylinder, detonation, cylinder bore inner leaking, serious noise, acceleration power drop, are all due to the abnormal working temperature, excessive pressure and bad cooling system. The poor cooling system will directly lead to engine failure to work at normal temperature, which will lead to these serious failures.

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