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.
Unless you meet those two conditions, expect to pay no more than $200 for the full service. At oil-and-lube or auto repair shops, the transmission flush cost ranges from $90 to $380, with an average cost of $160. At dealerships the transmission flush cost can range from $75-$300, with an average cost of $200. The different factors that affects the cost includes: