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.
Average Cost Of A Radiator Flush. The average cost of a radiator flush is typically between $50 and $150, if having the vehicle serviced at a station; this can increase to the field of $100 to $300 if the service is performed at a dealership.