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What should be noted when changing transmission fluid?

2 Answers

DelAdam

08/30/25 3:41am

Here are the things to pay attention to when changing transmission fluid: 1. Selection: It is necessary to strictly follow the specified requirements to choose transmission fluid, select transmission fluid with guaranteed quality, preferably the original manufacturer's dedicated transmission fluid. 2. Pay attention to choosing the appropriate viscosity: If the viscosity is too high, it will cause the friction surface to overheat and also result in unnecessary power loss. If the viscosity is too low, due to centrifugal force, the fluid will be thrown off the gear surface, easily causing oil seal leakage. Below is extended information about the 9-speed automatic transmission: 1. Power: This car is equipped with a 2.0T turbocharged engine, and in terms of the transmission system, it is matched with a 9-speed automatic transmission. 2. Transmission: The overall performance of this transmission is very good. During driving, the transmission produces very little jerking sensation. Because the transmission uses 9 gears, it has a wider gear ratio range and more closely and reasonably distributed gear ratios, allowing intelligent shifting based on different driving conditions. The shifting logic is very tight. 3. Driving experience: The transmission matches better with the engine, improving the engine's fuel economy to a certain extent while also providing the driver with a more precise and efficient driving experience. Compared to other types of transmissions, this type of transmission has a more compact structure, which can improve the transmission's working efficiency.

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EvangelineDella

09/11/25 7:44am

Just changed the transmission fluid for my car, sharing some practical tips. The most crucial thing is using the correct type – manual, automatic, and CVT transmissions require completely different fluids, and using the wrong one can damage the transmission. Don’t cheap out and buy fluids from roadside stalls; only trust genuine sources. Nowadays, the circulating machine method is popular—using a machine with tubes can replace about 90% of the old fluid, much cleaner than the traditional gravity drain method. After the change, make sure the mechanic test-drives the car to check for leaks and listen for any unusual noises during gear shifts. I recommend changing it every 60,000 to 80,000 kilometers for optimal safety, and even sooner if you frequently drive on mountain roads or tow heavy loads. Lastly, remember not to engage in aggressive driving immediately after the change—drive gently for a few dozen kilometers to let the new fluid fully lubricate the components.

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