Transmission fluid life? (In bottle)
#1
Transmission fluid life? (In bottle)
How long can you keep transmission fluid stored before it's no good? I purchased some Royal Purple fluid ... 2 years ago maybe? I never used it because I didn't know the proper procedures of changing transmission fluid, though due to recent posts I think I have a pretty good idea (still not sure if you are supposed to change it without changing the filter?) but anyway...
Going to be changing the engine oil in the next couple weeks so I thought this would be a good time to do the transmission as well, if it's still any good?
Thanks,
Kal.
Going to be changing the engine oil in the next couple weeks so I thought this would be a good time to do the transmission as well, if it's still any good?
Thanks,
Kal.
#2
Two years old should be fine, assuming you stored it at some reasonable temperature. I have seen shelf life for automatic transmission fluid stated as being from three years to forever.
It wouldn't hurt to shake the bottle to mix in any ingredients that may have settled. Then open the bottle and pour the contents into a glass container so that you can see that the ATF has not changed from the proper color and also that there are no flakes or anything like that floating around. Also check the inside of the bottle, particularly at the bottom, to see that no ingredients have settled out.
It wouldn't hurt to shake the bottle to mix in any ingredients that may have settled. Then open the bottle and pour the contents into a glass container so that you can see that the ATF has not changed from the proper color and also that there are no flakes or anything like that floating around. Also check the inside of the bottle, particularly at the bottom, to see that no ingredients have settled out.
#5
That's why you will see expiration dates on plastic bottles of distilled water. It's not the distilled water that's going bad; it's the bottle.
The one fluid that you should discard after a couple of years is brake fluid. Some air, which contains moisture, can make its way through the bottle. You don't want any water at all in brake fluid.
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AMAlexLazarus
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10-01-2015 09:21 AM