Should Transmission Fluid Be Changed at a 4S Shop or a Repair Shop?

1 Answers
Kimberly
07/29/25 7:39pm
Transmission fluid can be changed either at a 4S shop or a repair shop, but it is advisable to choose a reputable repair shop. Transmissions come in several types, including manual transmission (MT), hydraulic automatic transmission (AT), dual-clutch transmission (DCT/DSG), continuously variable transmission (CVT), and automated manual transmission (AMT). Both MT and AMT are mechanical transmissions and use the same type of fluid. Although DCT and DSG are also mechanical transmissions, they require special fluids due to their highly precise construction. AT and CVT transmissions require regular fluid changes. The functions of transmission fluid include: Maintaining the cleanliness of the gear system, lubricating transmission components, altering gear ratios, increasing the torque and speed of the drive wheels, enabling the vehicle to reverse, and facilitating gear shifts or power output. Signs that indicate the need for a transmission fluid change are: Vehicle shaking, jerky gear shifts, transmission overheating warnings on the dashboard, engine stalling, and unusual noises. Transmission maintenance methods include: Regularly checking the fluid level, avoiding skipping gears when shifting up, not forcing the transmission into neutral, not shortening the warm-up idling time, and avoiding gear grinding when shifting.
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