How Many Kilometers to Change Transmission Oil for a Car?

1 Answers
HarmonyLee
07/29/25 6:07pm
Car transmission oil should be changed every two years or 40,000 kilometers. Here is the relevant information: 1. The frequency of changing transmission oil varies for different car models. For manual transmission cars, the transmission oil is only used for lubrication, and the gear precision requirements for manual transmissions are not high, so slightly inferior transmission oil has little impact. 2. Automatic transmission cars have more complex transmissions with higher operational requirements. Here, the transmission oil serves more purposes than in manual transmission cars. Therefore, if the transmission oil becomes dirty and impurities increase, it will accelerate transmission wear and reduce shifting speed.
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