will require at least 5 to 6 quarts of new transmission fluid. so 6 quarts of new transmission fluid x $2.99 a quart = $17.64 cost not to mention labor. the average transmission fluid change service takes between 45 minutes to an hour to properly complete. the transmission industry standard of labor per hour is $75.00. so a basic transmission fluid change cost on average $17.64 in fluid and $75.00 for labor. the total equals $92.64. yes many repair shops discount the labor involved to attract new customers. but how do you offer a transmission fluid change service for under $20.00. what type of transmission fluid is being used? who 