Dealership: $150-$250
Local Mechanic: $80-$150
Do-It-Yourself: $50-$100
It is important to note that the transmission fluid change interval for the 2007 Nissan Sentra is every 30,000 miles or 24 months, whichever comes first. Neglecting to change the transmission fluid according to the recommended schedule can lead to transmission problems and costly repairs.