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Everyone knows that vehicles can maintain a good condition at all times only with regular maintenance, but many people will also question: “Do all these maintenance projects have to be done? Some projects do not work? If you do not do this, what will happen to the vehicle? For these issues, we will briefly explain to you the importance of routine maintenance and the impact of these items on the vehicle. We also hope that the majority of vehicle owners will understand the role of maintenance for the long-term use of the vehicle.
One of the routine maintenance: Why do you need to replace the three filters and oil?
Gasoline engine vehicles in routine maintenance, the most frequent replacement is a three filter and oil, which three filter refers to the fuel filter, air filter and oil filter, their role is to filter Impurities in gasoline, air, and engine oil prevent impurities from entering the engine interior, causing engine abnormal wear or abnormal operation. The ultimate goal of replacing the three filters is to better protect the engine and maximize the service life of the engine. This is the most common maintenance program.
The second routine maintenance: Why do you need to replace the timing belt regularly?
The main role of the timing belt is to drive the valve train of the engine so that the intake and exhaust valves of the engine are opened or closed at appropriate times to ensure that the cylinder of the engine can normally inhale and exhaust. In some models, the timing belt is also responsible for driving the pump, such as the Jetta EFI, Santana 2000, Polaris, Audi and other models.
For all engines, the timing belt must not jump or break. If the engine does not work properly in the event of tooth skipping, there will be idling instability, poor acceleration, or inability to ride; When the belt breaks, the engine will stall immediately. The multi-valve engine will also cause the piston to bend the top valve, which will seriously damage the engine.
The timing belt is a rubber component. As the engine operating time increases, accessories such as the timing belt and the timing belt, such as the timing belt tensioner, the timing belt tensioner, and the water pump, may be worn or deteriorated. Therefore, all manufacturers equipped with timing belts will have stringent requirements. The timing belts and accessories will be periodically replaced within the specified period. The replacement cycle will vary with the structure of the engine. Generally, the vehicle will travel to 6 When it is between 10,000 and 100,000 kilometers, it should be replaced. The specific replacement cycle should be based on the description of the vehicle maintenance manual.
Routine Maintenance 3: Why do I need to change the transmission oil (automatic transmission fluid) regularly?
Compared with the automatic gearbox and the manual gearbox, the automatic gearbox has the advantages of automatic shifting, good comfort when shifting, and simple operation. In terms of structure, the internal structure of the automatic transmission is more complicated than the manual transmission and the precision of the parts makes the automatic transmission have higher requirements in terms of maintenance.
The automatic gearbox needs to check the oil level of the gearbox and regularly replace the gearbox oil during maintenance. Take the Volkswagen series model as an example: Vehicles equipped with automatic transmission or manual transmission require that the automatic transmission be changed every 60,000 kilometers. Tank oil and oil grid, for vehicles equipped with gearbox oil filters, the filter must be replaced at the same time when changing oil.
It should be noted that the oil of the automatic transmission required by the manufacturer must be replaced when changing the oil. This is because the internal structure, friction parts and sealing parts of different automatic transmissions will be different. The original oil is used according to the speed change. The structure and materials of the box are specially formulated. Even if the quality of the other brands is good, it may not be applicable. When the gearbox oil is changed, some old oil may remain in the oil passage and torque converter of the gearbox. When different oils are added, two different oils may be mixed inside the automatic transmission, which may degrade the performance of the automatic transmission oil, resulting in poor lubrication or abnormal operation of the automatic transmission. The automatic transmission will be seriously damaged. .
The fourth routine maintenance: Why check the chassis?
In routine maintenance, in addition to the regular replacement of some parts, there are some parts that need regular inspection, such as brake discs, brake pads, brake lines, steering rod ball head, shock absorbers, etc., as well as some rubber parts, Such parts as tires, ball cages, dust jackets, upper and lower arm sleeves, and balancer sleeves, etc., which are worn out or deteriorated may cause safety hazards when the vehicle is driven. Therefore, we need to maintain Chassis parts are checked in detail.
It should be noted that most parts of the chassis will cause abnormal sound when the vehicle is damaged or bumped. It is recommended that owners hear the abnormal sounds, identify the parts and causes as soon as possible, and then repair them as appropriate. In order to ensure the safety of driving as much as possible.