Does a manual transmission car need to have its transmission fluid changed?

1 Answers
DeJasper
07/29/25 4:08pm
Manual transmission fluid is categorized into five grades based on quality levels. Generally, for family cars, it should be changed every three years or around 100,000 kilometers. In contrast, automatic transmissions, being more precise, typically require fluid changes every 50,000 kilometers, with some models needing it as early as 40,000 kilometers. If shifting feels smooth without any noticeable hesitation, changing the fluid may not be necessary. However, if shifting becomes rough, it's time for a change. More details about transmission fluid are as follows: 1. The primary purpose of transmission fluid is to provide cooling, followed by lubrication among these precision components, ensuring smoother gear engagement. 2. Transmission fluid effectively keeps the shifting system clean and lubricated, extending the lifespan of the transmission components. 3. Depending on the transmission structure, transmission fluid is divided into manual transmission fluid and automatic transmission fluid. Manual transmissions have simpler internal structures and lower precision compared to automatic transmissions, so manual transmission fluid serves a single purpose: lubrication. When changing transmission fluid, it's crucial to distinguish between genuine and counterfeit fluid: 1. Smell the fluid: Genuine fluid has a distinct burnt odor. 2. Observe the fluid's flow: Genuine fluid clings to the container for a long time. 3. Check for bubbles: Genuine fluid produces very few bubbles when shaken. 4. Assess the fluid's viscosity: Genuine fluid sticks to the skin and can form strings when pulled apart.
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