How Often Should the Gear Oil in New Energy Vehicles Be Replaced?

1 Answers
VanCatherine
07/30/25 5:45am
It is generally recommended to replace the gear oil in new energy vehicles every 40,000 kilometers. Gear oil, when used in the transmission, is referred to as transmission fluid. It transmits power to the gears through oil pressure while also providing lubrication and cleaning functions for the transmission. Its quality directly affects the transmission's operational performance. Below is a brief introduction to transmission fluid: (1) Transmission fluid is an oil product that keeps the gear system clean, ensuring the normal operation of the transmission and extending the lifespan of the transmission components. (2) Failure to replace the transmission fluid regularly can lead to: impurities forming due to chemical changes in the transmission fluid, causing blockages in the oil passages and affecting gear shifting functionality. (3) Prolonged high-temperature operation reduces the lubricating properties of the transmission fluid, increasing the risk of clutch plate wear and causing stalling phenomena.
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