How often should gear oil be changed under normal circumstances?

1 Answers
VonSienna
07/30/25 8:00am
Under normal circumstances, gear oil should be changed every 60,000 kilometers, which can effectively improve the efficiency of gear transmission of engine power. When the vehicle is driving at high speed, some metal debris worn from gears, bearings and other components will deposit in the gear oil, and the rotation of the gears will also increase the oil temperature. If it is not replaced for a long time, it will cause transmission failure. Gear oil is transmission oil, which can reduce the wear of gears and other moving parts, prolong gear life, reduce friction, reduce power loss, and also disperse heat, play a certain cooling role, prevent corrosion and rust, reduce working noise, reduce vibration and impact between gears. Due to different transmission designs divided into manual transmission and automatic transmission (also divided into CVT, AMT, etc.), each transmission design has different technical requirements; Even the same type of transmission configured in different models has different torque, weight, speed, structure, etc. Therefore, the original factory has its own designated special transmission oil.
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