There are three ways to change the gearbox oil, one is to change the gearbox oil by gravity, the other is to change the gearbox oil by the circulating machine, and the other is to remove the oil pan and change the oil. 4s shops generally use gravity to change the gearbox. Replace the oil to the owner. This is because the gravity change gearbox oil is to open the drain screw under the gearbox oil, the gearbox oil will flow out by gravity, and then add new gearbox oil. This method is simple to operate, low cost, and time-saving, which is more acceptable to car owners.
To change the gearbox oil of the cycle machine, open the drain screw under the gearbox oil. After about 3 liters of old oil is discharged, the screw on the oil pan will be unscrewed. The 1 liter of old oil inside will also be discharged and cleaned. Oil pan. After adding new gearbox oil into the gearbox, the remaining old oil will be pushed out due to pressure, which is equivalent to pushing forward waves from the back waves of the Yangtze River. The cost of this method is relatively high, and the processing time is relatively long, which is difficult for many car owners to accept. The most important thing is that changing the transmission oil of the cycle machine may cause loss to the vehicle. The gearbox has been used for a long time, there will definitely be some impurities in it. When the old oil is pushed out, the impurities will also flow out along the old oil, which may block the oil circuit board, filter element and other parts on the way out. Cause a malfunction.
The steps of disassembling the oil pan to change the transmission oil are troublesome, and it is necessary to have professional personnel to disassemble, clean and change the transmission oil.This sideThe oil change rate of the method can reach 80%. During the oil change process, the parts of the gearbox can also be checked. Problems can be solved in time, which extends the use time of the gearbox.
Each method has its advantages and disadvantages. The advantages of gravity changing gearbox oil are low cost, fast replacement efficiency, and convenient operation. The disadvantage is that the oil is not clean, and the oil change rate can only reach 40% to 50%. The advantage of changing the gearbox oil of the cycle machine is that the oil drain is relatively clean, and the oil change rate reaches 80%. The disadvantage is that the operation time is long, the cost is low, and it may cause malfunctions. The advantage of disassembling the oil pan and changing the variable speed oil is that the price is reasonable, and the oil change rate can reach about 80%, but the disadvantage is that the operation is complicated and the time is long. The owner can choose the method of changing the gearbox oil according to their own needs.
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