For Savory substitute thyme (stroner flavor) or thyme with a little sage or mint.
1 Flushing a transmission with a pressurized machine can cost $125-$300 or more, and may include pushing a special cleaning compound through the system. 2  The power flush process typically replaces all of the transmission fluid, and can require 12-22 or more quarts.
Typical costs: 1  Expect to pay $75-$150 or more for a standard transmission fluid change. 2  Flushing a transmission with a pressurized machine can cost $125-$300 or more, and may include pushing a special cleaning compound through the system. The power flush process typically replaces all of the transmission fluid, and can require 12-22 or more quarts.