The recommended replacement period of the fuel filter should be different according to its own structure, performance and use, and it can not be generalized. If the filter is installed in the fuel pipeline, it is called the external filter. On the contrary, the internal filter is the filter installed inside the fuel pump and fuel tank. The fuel tank filter or its protective sleeve is usually considered to be a maintenance free component. The recommended replacement period of most automobile manufacturers for normal maintenance of their external filters is 48 thousand km, and the recommended replacement period for conservative maintenance is 1.92 to 24 thousand km.. If you are not sure, consult the owner's manual to find the correct recommended replacement cycle. In addition, the hose should be replaced in time when the filter hose is aged or rift caused by dirt, oil and other dirt. The fuel filter of many imported cars is connected with a drum tube. In order to ensure the reliability of the connection seal, the same gasket should not be used repeatedly. In addition, even if the new gasket is adopted, the tightness and tightness must be checked. When the fuel system needs to replace the O ring, it is necessary to ensure the accuracy of the O ring specifications and model, and to check the elasticity and hardness of the ring is suitable. The non loop fuel system has only one internal filter. Although the multi position pump, filter and delivery unit are expensive, when the fuel delivery is blocked or the engine performance decreases, it is necessary to carry out proper maintenance and repair in time. At the same time, it is also necessary to check all the faults in the fuel line and the rupture and winding condition at the hose clamp. When the automatic transmission oil filter is maintained for preventive maintenance, the transmission oil filter is usually a forgotten corner. In most cases, the transmission oil filter is not as easy to replace as the oil, air, or fuel filter. Unless the filter's blockage has affected the normal work of the transmission, people usually ignore the significance of its timely replacement. In fact, as the ATF filter of automatic transmission is a device to protect the second main parts of a vehicle, it should be kept clean or timely changed according to the recommended replacement cycle of its manufacturer. The automatic transmission usually uses a paper filter, a felt filter or a filter filter filter to filter the dirt in the oil. Asian carmakers like to use filter filters, while European and American manufacturers are more inclined to paper or felt filters. As a maintenance personnel, please pay special attention to whether or not the ATF filter of the customer's vehicle needs to be replaced or not, and timely make reasonable suggestions for users to refer to, and make decisions by the customers themselves. Long-term adherence to such principles can effectively avoid the unnecessary loss of customers due to the lack of timely replacement of the filter. Some auto makers, including GM, have launched a long life or maintenance free transmission. The transmission dipstick device, and its normal maintenance and replacement cycle can reach 160 thousand km. fluid and filter function of course the normal maintenance can contain ingredients because of its curry favour by claptrap, also put in short, stop and go conditions, such as high temperature or dust four and heavy trailers and other poor driving environment under conservative maintenance and replacement the cycle is only 80 thousand km. air filter and pressure regulating valve routine maintenance on vehicles, air filter and pressure regulating valve PCV is easy to be ignored. Moreover, often when plugging and they endanger the normal operation of the engine, will be replaced as remedial maintenance. In order to avoid premature wear and maintain the best working condition, it is very important to check and replace the air filter and pressure regulating valve PCV regularly. We emphasize that the preventive maintenance of air filters is not an exaggeration. Before the air is mixed with the fuel, the air filter filters the dust, carbon and other sundries in the air, thus ensuring the cleanliness of the air. In fact, when the fuel per unit volume is burning, about 10 thousand unit volume of air is needed through the filter. And the tiny particle fouling can also cause serious wear of the engine's internal parts. Usually, the recommended replacement period of air filter is 48 thousand km, and a routine check is conducted every 24 thousand km. The recommended replacement period for its conservative maintenance is 24 thousand km..
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