Many automatic car owners have added care when buying a new car. However, once the warranty period expires, it is too lazy to clarify how to inspect, maintain, and repair the vehicle: "The car can open and cannot be repaired." In the event of an accident, the vehicle was sent for maintenance, and due to lack of timely maintenance, the small fault of the automatic transmission expanded and deteriorated, resulting in a major accident.
How to maintain the automatic transmission model?
1, always check the automatic transmission fluid level is normal. The inspection method of the automatic transmission oil is different from that of the engine oil. The engine oil is checked in the cold state, and the transmission oil is required to preheat the oil to about 50° C., and then the gear lever is left in each gear for 2 seconds. After being placed in the parking block, the normal oil level of the dipstick should be located between the highest and lowest line. If not, add the same quality oil product in time.
2. Grasp the cycle of replacing automatic transmission oil. Automatic transmission internal control mechanism is very precise, with a small gap, so most manufacturers recommend the automatic gear change interval is generally two years or 4-6 million kilometers. During normal use, the operating temperature of the transmission oil is generally around 120 degrees Celsius, so the quality of the oil is very high and must be kept clean. Secondly, when the transmission oil is used for a long time, grease may be generated, and sludge may be formed, which will increase the wear of the friction plates and parts, and also affect the system oil pressure, so that power transmission is affected. Third, the sludge in the dirty oil will make the movement of the valve body in each valve body unfavorable, and the hydraulic pressure control will be affected, thereby causing an abnormality in the automatic transmission.
3, the correct replacement of transmission oil. The current better oil change method is dynamic oil change, and special gearbox cleaning equipment is used. During the operation of the gearbox, the old oil is fully circulated, and the new gear oil is added after the clean oil is drained, thereby changing the oil rate. Up to 90 or more guarantees a good oil change.
Tips: The owner should cultivate the awareness of active inspection, maintenance, and maintenance. He can learn some basic knowledge of maintaining and maintaining the vehicle, carefully read the instructions for using the vehicle, and remember some necessary data. Scientific vehicle maintenance can ensure that vehicles are in good technical condition and ensure driving safety.
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