What Happens If Automatic Transmission Fluid Is Not Changed for a Long Time?

1 Answers
LaEmily
07/29/25 5:46pm
Effects of not changing automatic transmission fluid for a long time: 1. The lubricating properties will deteriorate, leading to transmission failure to shift, shaking, or even gear and bearing breakage; 2. The transmission oil temperature may become excessively high, causing gear shift impact in the vehicle; 3. It will accelerate the service life of the transmission. Transmission fluid serves the functions of cleaning, lubricating, cooling, and sealing for the transmission. Due to the specific operating environment inside the transmission, the quality of the transmission fluid has a certain shelf life. The performance of the fluid will decline, generating more impurities, which in turn accelerates the wear of transmission components, leading to earlier failure occurrence or a higher failure rate.
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