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.
The average cost for an automatic transmission fluid/filter change is between $151 to $209. Labor costs are estimated between $126 to $160 while parts are priced between $25 to $49.