If the gearbox is not maintained for a long time, impurities caused by wear and internal friction will cause problems such as blockage of the gearbox system, so regular maintenance is very important. What are the maintenance rules of the gearbox?
Regular maintenance is the key point. When driving an active gear vehicle, the oil quantity and oil quality of the active transmission should be checked regularly. Generally, the active transmission should be maintained every 20000 to 30000 kilometers; Change the special active transmission oil (i.e. ATF fluid).
Form a good habit of investigating appearance information at any time. During driving, you should always investigate the appearance information, and pay attention to whether there is a fault light flashing. When you find that the fault light of the gearbox is flashing, it will prompt the computer that there is a fault in the gearbox, which can show the appearance of difficult starting, no shifting, unable to run at high speed, etc. at this moment, you can't travel at long intervals. Contact the active transmission maintenance personnel immediately for fault detection.
The internal control mechanism of the gearbox is very precise and the fit clearance is small, so the oil change cycle of most gearboxes is generally two years or 40000 ~ 60000 km. In the process of normal use, the operating temperature of the transmission oil is generally about 120 ℃, so the quality of the oil is very high, and it must be kept clean.
Secondly, the transmission oil will produce oil dirt after a long time of use, which may form oil sludge, increase the wear of friction plates and components, and also affect the system oil pressure, so that the power transmission is affected. The sludge in the dirty oil will make the movement of the valve body in each valve body blocked, and the oil pressure control will be affected, so that the gearbox will be abnormal.
The inspection method of the transmission oil is different from that of the engine oil. The engine oil is inspected when it is cold, and the transmission oil needs to be preheated to about 50 ℃, and then the gear lever is placed in the parking gear after staying in each gear for 2 seconds. At this time, the normal oil level of the dipstick should be between the high and low lines. If it is not enough, the oil of the same quality should be added in time.
Do not slide in neutral. Shandong transmission maintenance personnel remind everyone that when driving a vehicle with active gear, do not slide in neutral at any time. Sliding in neutral will not save fuel, and it will also cause poor internal smoothness of the active gear and high temperature, resulting in early wear of the active gear.
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