How Long Does Transmission Fluid Last?

Transmission fluid lubricates all the moving parts of your car transmission, and in an automatic transmission, it also acts as a coolant and viscous fluid that delivers engine power to the transmission.

What kind of transmission fluid to use

The type of transmission fluid you use will depend on the type of transmission you have in your vehicle. Automatic vehicles, of course, use automatic transmission fluid. For vehicles with a manual transmission, different oils are used, including ordinary motor oil, gear oil, or sometimes even – wait for it – automatic transmission fluid! Your car owner’s manual will tell you what your transmission requires.

How long does transmission fluid last?

Transmission fluid does need to be changed from time to time, and the most accurate answer to the question is that the fluid will usually last between 30,000 and 60,000 miles. That said, if your vehicle sustains heavy use, you could have to change the transmission fluid in as few as 15,000 miles. Of course, more frequent changes won’t harm your vehicle.

The type of transmission can also affect the life of your transmission fluid. The fluid in an automatic transmission, for example, will degrade more quickly than in a manual transmission, because the automatic generates more heat.

Another factor that can affect the life of your transmission fluid is the presence of contaminants. They have to be drained out, and if they aren’t, fluid life is going to be the least of your worries – you’ll be more concerned with the life of your transmission. If you’re lubricating your transmission with metal shavings and other nasty contaminants, at some point it’s going to develop serious problems. Regular transmission fluid changes are simply a good investment.


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Rafael

26 years of experience
39 reviews
Rafael
26 years of experience
Mazda 3 - Brake Pads Replacement (Front, Rear) - Oakland, California
Rafael is great. He's nice, calm, takes his time, knows what he's doing. Competent and honest. Highly recommend him.
Mazda 6 - Brake Pads Replacement (Front) - Rodeo, California
He was amazing! Was even able to do additional work that was needed for my brakes in the same day. great work! would highly recommend.

Aurelio

35 years of experience
18 reviews
Aurelio
35 years of experience
Nissan Maxima - Brake Pads Replacement (Rear) - San Antonio, Texas
Aurelio has done it again!!! Great service and completed faster than I expected. Very happy to say he is MY mechanic for any and all my car maintenance. Great Trustworthy person all the around and extremely knowledgeable. I appreciate him always taking the time to explain car stuff and answer any questions I have.

Pierre

8 years of experience
109 reviews
Pierre
8 years of experience
Toyota Venza - Brake Pads Replacement (Rear) - Stoughton, Massachusetts
Arrived earlier than scheduled and completed all the work required. His demeanor and knowledge was great and I am very happy with the work!

Bryant

11 years of experience
405 reviews
Bryant
11 years of experience
Scion iA - Brake Pads Replacement (Front) - Carmel, Indiana
This is my first time using this service. I am very happy with it. Bryant was very knowledgeable and did quality work. I will use this service more regularly.

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