The engine is like a human heart and has an absolutely important role for the car. If you do not pay attention to small germs, it will often lead to loss of heart function. The same applies to cars. Many owners think that regular maintenance of automobiles is not a big problem, but they have impaired the useful life of automobile engines. Today, Xiao Bian introduced to the majority of users a few problems that are likely to cause hidden dangers in the engine. It is hoped that the majority of owners will pay more attention to the use and maintenance of automobiles.

Irregular maintenance

The regular maintenance of the engine is very important, many professional maintenance masters said that in the cars they have repaired, the fault caused by poor maintenance of the engine accounted for 50% of the total failure. It can be seen that engine maintenance can play a role in extending the service life of the vehicle. Important role. It is not only necessary to maintain the engine during the regular maintenance period. When driving through some areas that are particularly wet or have particularly large dust, some inspection and maintenance of the relevant parts of the engine must be done.

Oil deterioration and poor oil filter

Different grades of lubricating oil will change during use. After the vehicle has traveled a certain distance, performance will deteriorate, which may cause various problems for the engine. When the oil passes through the pores of the oil filter, solid particles and viscous substances in the oil accumulate in the filter. If the filter is clogged, the oil cannot smoothly pass through the filter element. It will burst the filter element or open the safety valve. The bypass valve will pass through and still bring the dirt back to the lubrication area. This will accelerate engine wear and increase internal pollution. Therefore, regular replacement of oil filter elements is equally important.

Do not add less oil, but do not add more, not more expensive brand-name synthetic oil the better, suitable for your car's oil is the best.

Air filter plugged

The air intake system of the engine is mainly composed of an air filter element and an air intake duct. According to different use conditions, to regularly clean the air filter element, the air filter element should be replaced after cleaning three times. The cleaning cycle can be determined by the air quality of the daily driving area. It is also important to purchase the factory-supplied air filter that is supplied by good quality manufacturers.

Intake duct dirty

If the vehicle is often driving in a road with a lot of dust and poor air quality, it should pay attention to cleaning the air intake pipe to ensure the smooth flow of air. The intake pipe is very important for the normal operation of the engine. If the intake pipe is dirty, the efficiency will decrease, and the engine will not be able to operate within the normal output power range, which will aggravate engine wear and aging.

Try to avoid dusty areas as much as possible. At the same time, the air conditioning grid should also be replaced.

Too much crankcase sludge

During the operation of the engine, the high-pressure unburned gas, acid, moisture, sulfur, and nitrogen oxides in the combustion chamber enter the crankcase through the gap between the piston ring and the cylinder wall, mixing it with the metal powder produced by the wear of the components. Together, sludge is formed. A small amount of sludge can be suspended in the oil and when it equates to a large amount, it precipitates out of the oil, clogging the filter and the oil hole, causing the engine to be difficult to lubricate, thereby aggravating engine wear.

To reduce the production of sludge, it is necessary to use high-quality fuel, so it is recommended that owners refuel as far as possible to the right gas station. In addition, please check your own car's oil level regularly.

Poorly maintained fuel system

The maintenance of the fuel system includes replacing the fuel filter, cleaning the carburetor or fuel nozzle, and the oil supply line. It is necessary to remove the sediment from the fuel tank regularly, remove the deposits from the fuel filter screen, and properly maintain the air cleaner, fuel tank and piping. When cleaning the engine fuel system, the engine must be used without any cleaning agent, because the detergent is used There is no need to dismantle the fuel system. On the one hand, it can play a role in thoroughly cleaning the fuel system. On the other hand, it helps protect the engine's fuel system.

Water tank rust and scale

Rust and scaling of engine tanks are the most common problems. To avoid the generation of scale, we must pay attention to the choice of tank coolant. Many car owners do not attach importance to the use and quality of coolant. Normally, only ordinary water is added to the tank. The most common problems in cooling systems are rust, scaling, and corrosion. The main reason for this is the lack of good antifreeze. Good antifreeze not only has a low freezing point, but also has other added ingredients that can inhibit foam, rust, electrolysis, and scale, and so on, so it is important to remind the majority of cars to choose the coolant that is beneficial to the tank.

Poor cooling system condition

The most common failures of automotive engines, such as piston pulls, knocking, internal leakage of cylinder punches, severe noise generation, and deceleration of acceleration power, are all due to abnormal operating temperatures of automotive engines, excessive pressure, and poor cooling system conditions. Caused. The poor condition of the cooling system will directly lead to the engine not being able to work at the normal temperature, which will result in the above-mentioned serious failure phenomenon.

The traditional maintenance method of the cooling system is to put the water in the water tank completely, and add antifreeze and water, but in this case, there is a large amount of scale in the cooling system, and the scale in the water pump, water jacket and pipeline is even more. Can not be discharged. Therefore, it is necessary to regularly use tanks with powerful and efficient cleaning agents to clean rust and corrosive substances in water tanks and cooling systems, and then add appropriate antifreeze and clean water. This will ensure normal engine operation and extend the overall life of the tank and engine.

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