The 2003 ford taurus takes 13.5 quarts of transmission fluid. the transmission fluid needs to be replaced every 30,000 to 60,000 miles. along with fluid changes, terrible sounds will come from the transmission. old transmission fluid will be awful to the ear. a worn out torque converter will cause a headache. the transmission is one of the most crucial parts of the vehicle. you will come into issues at some point. hard shifts could come up and that is not good. you may experience shudders. the gears may become stuck. there might be jerking. if the transmission fluid leaks, that needs to be fixed quickly. delayed shifts will cause acceleration issues. the transmission might slip.
13.5 quarts for a total fill of the 4f50n transmission, and 12.3 quarts for the ax4s transmission. for the automatic models, oe multi-vehicle synthetic automatic transmission fluid from amsoil is recommended.