What happens if I don't change my transmission fluid? If you don't change your transmission fluid frequently, the dirty fluid will not serve as an effective lubricant and it won't disperse heat well. This will cause wear and tear on the clutches and other parts of your transmission.
How often should automatic transmission fluid be changed?
If you drive manual, most manufacturers will recommend changing your transmission fluid every 30,000 to 60,000 miles. If you have automatic, you can typically boost that range up to 60,000 to 100,000 miles.
How do I know if my transmission fluid needs to be changed?
What is the average life of an automatic transmission?
Time and mileage vary between car drivers and how they use or abuse their transmissions. Still, typical automatic transmissions last around 150,00 to 200,000 miles or approximately 7 years. Cases exist in both extremes; extreme longevity and early failure.
Does changing transmission fluid improve performance?
Changing your transmission fluid regularly, especially when it has turned black, is a great way to improve your fuel economy. Your transmission will run smoother after you change the fluid, which means your engine will run smoother as well. One of the worst things that can happen is engine lock-up.
Related advise for What Happens If I Don't Change My Transmission Fluid?
How can I make my automatic transmission last forever?
At what mileage should I get my transmission serviced?
Automatic transmissions should be serviced about every 15 months or 15,500 miles. If it's well looked after, and you don't live in an area of extreme year-long heat, the transmission can last in excess of 124,000 miles.