Do Automatic Transmission Cars Need Transmission Fluid Changes?

[SanLucille]

Automatic transmission cars do require transmission fluid changes. The functions of transmission fluid are: 1. Keeping the shifting system clean; 2. Lubricating the transmission components. Symptoms indicating the need for transmission fluid change include: 1. Vehicle body shaking and gear shifting jerks; 2. Transmission overheating warning appearing on the dashboard; 3. Engine stalling; 4. Unusual noises from the transmission. The method for changing transmission fluid in automatic transmission cars is as follows: 1. Lift the vehicle and remove the underbody protection panel; 2. Unscrew the drain plug and remove the oil pan; 3. After the oil has completely drained, remove the transmission fluid filter; 4. Clean the filter housing thoroughly, install the filter housing, replace and install the transmission fluid filter and oil gasket; 5. Reinstall the protection panel and pour in the new transmission fluid.