How long can you store automatic transmission fluid?

Does automatic transmission fluid have a shelf life?

Currently, according to known oil specialists and lubrication laboratory testing a non-used or non-opened lubricant, engine oil, ATF, coolant, antifreeze, transmission fluid, grease, gear oil, transfer case fluid or brake fluid product has no expiration date.

How long does it take transmission fluid to go bad?

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.

Can transmission fluid go bad?

And like engine oil, transmission fluid (also known as transmission oil or automatic transmission fluid/ATF) can simply go bad over time. Even if you have a full fluid level, the fluid itself may be burnt, cloudy, dirty or full of contaminants that build up through time and use.

Does transmission fluid deteriorate with age?

Aging transmission fluid can easily deteriorate under the extreme heat generated by the transmission itself. … The fluid hasn’t been changed in over 100,000 miles. At this point, it’s better to plan ahead for a rebuild or replacement.

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Why you should never change 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.

Is it better to flush or drain transmission fluid?

Proponents of transmission flushes will often argue that a flush is a better service because it replaces more of your transmission fluid. It’s true that removing your transmission pan or draining your transmission via its drain plug (as your car manufacturer intends) only removes about 70% of the fluid inside.

Is it bad to change transmission fluid on high mileage?

But, if your car is a high mileage vehicle (think 94k miles or 150,000 km), and is still running on factory-filled transmission oil, you are better off just leaving it alone. Fresh transmission fluid has good cleaning properties. … But a lot can go wrong if you change the transmission oil of a high mileage engine.

How do I know if my transmission fluid is bad?

Healthy transmission fluid should be relatively clear or pink in color. If your transmission fluid is deep red or brown, your transmission fluid is old and most likely causing extra damage within your transmission. If it is dark brown, that is a sign you have burnt transmission fluid from overheating.

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.

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