Why does the car feel weak at startup after changing the transmission fluid?

1 Answers
LeSebastian
07/29/25 4:48pm
The reasons for feeling weak at startup after changing the transmission fluid are as follows: 1. Too much transmission fluid: If the transmission fluid is overfilled beyond the dipstick line, when the car starts, the gears have to overcome the resistance of the excess fluid, which consumes power. 2. Foaming of the fluid: The agitation of the gears causes the fluid to foam, introducing air into the oil passages and reaching the clutch. When shifting into D gear, the presence of air between the clutch plates prevents them from pressing tightly, leading to clutch slippage, difficulty in moving the car, and accelerated clutch wear. Transmission fluid is a lubricant that keeps the gear system clean, ensuring the transmission operates properly and prolonging the life of the transmission components.
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