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Transmission Fluid - Just a drain and fill?

 
Old 07-02-2019, 09:55 PM
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Transmission Fluid - Just a drain and fill?

I wanted to know what the transmission fluid maintenance consists of. Is it simply a drain and fill or is it something more?

I hate that you cant find the basic info in the manual anymore. I wanted to see what the interval is that this alerts the owner and they dont give you a mileage at all. Just that it has a code. Also no way to tell if it was ever dismissed. *sigh*
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Old 07-02-2019, 11:17 PM
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You can only drain and refill 3 or so quarts at a time, so it's recommended to do the 3 x 3 ATF fluid change. Acura recommends doing it the 3x3 way and has it in there service doc here:

http://www.urvi.net/forumfiles/SB/B18-047.PDF

You can buy a case of 12 quarts of DW1 ATF usually cheaper than the individual quarts at dealers.
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justnspace (07-03-2019)
Old 07-03-2019, 07:48 AM
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to explain further; automatic transmissions have clutch packs that hold fluid, thus when you go to undo the drain bolt, only 3 quarts will come out. to fully cycle the fluid; drain 3 quarts, fill 3 quarts and drive around. do this process 2 more times...

hence the name of the method; 3x3x3

if you have a manual transmission; ALL of the fluid will come out at one time


edit* there is no set mileage because everyone drives differently. and the computer knows how YOU drive, so it will alert you when it reaches that threshold...
No one is stopping you from changing it out early or later than what the computer tells you.
The computer knows how often you drive, how fast you drive, how much you idle, etc..etc.etc.

in the owners manual, it also states that if you live in harsh conditions that you dont have to follow the MID...and will advise you change out fluids more often.
you're totally overthinking it

Last edited by justnspace; 07-03-2019 at 07:55 AM.
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Old 07-03-2019, 07:49 AM
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My car takes 4 quarts on a drain and fill.
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justnspace (07-03-2019)
Old 07-03-2019, 07:59 AM
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Originally Posted by broman7899 View Post
My car takes 4 quarts on a drain and fill.
right, a logical person will measure the drained oil, and put back the same amount

so, we would amend the name of the method to 4x4x3, 4 quarts drained. 4 quarts filled, 3 times to equal 12 qts
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Old 07-03-2019, 09:37 AM
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I pour the old ATF into an empty oil jug then add that amount of new ATF back in. And yeah, I can get about 4qts of ATF out if I'm patient and let it drain for a while.

If it's the first time you've done the ATF, I'd do the 3x drain/flush method. After that, I find that just a single drain and refill is sufficient. I do mine every other oil change, so about a single drain/refill every 15K miles.

Another part of the maintenance is replacing the inline filter. This doesn't have to be done as often. I'd say every 30K - 60K miles or so. I do mine every 30K. It's a bit of a pain to get to. It's mounted on the subframe under the battery tray so you have to remove both the battery and tray. This applies only to the 2012-2014 models. The 2009-2011 has an internal filter which can't be changed unless the transmission is disassembled.
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Old 07-03-2019, 11:30 AM
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Originally Posted by losiglow View Post
I pour the old ATF into an empty oil jug then add that amount of new ATF back in. And yeah, I can get about 4qts of ATF out if I'm patient and let it drain for a while.

If it's the first time you've done the ATF, I'd do the 3x drain/flush method. After that, I find that just a single drain and refill is sufficient. I do mine every other oil change, so about a single drain/refill every 15K miles.

Another part of the maintenance is replacing the inline filter. This doesn't have to be done as often. I'd say every 30K - 60K miles or so. I do mine every 30K. It's a bit of a pain to get to. It's mounted on the subframe under the battery tray so you have to remove both the battery and tray. This applies only to the 2012-2014 models. The 2009-2011 has an internal filter which can't be changed unless the transmission is disassembled.
Does the inline filter also apply to the 6MT?
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Old 07-03-2019, 12:30 PM
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Originally Posted by Nev05 View Post
Does the inline filter also apply to the 6MT?
No. Only the automatic.
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Nev05 (07-04-2019)
Old 07-03-2019, 02:17 PM
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Originally Posted by jrican1219 View Post
I wanted to know what the transmission fluid maintenance consists of. Is it simply a drain and fill or is it something more?

I hate that you cant find the basic info in the manual anymore. I wanted to see what the interval is that this alerts the owner and they dont give you a mileage at all. Just that it has a code. Also no way to tell if it was ever dismissed. *sigh*
You didn't mention what year you have (common problem in this forum) but only the 2012 to 2014 (6 speed auto) have the external inline fluid filter.
The 2009 to 2011 automatics have a filter located behind the torque convertor and you have to remove the transmission from the vehicle to gain access.

BTW: My TL requires (as mentioned above) 4 quarts for a proper fill.
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