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Nissan Maxima CVT Filter C&P #5381240 03/20/20 01:11 PM
Joined: Oct 2014
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KGMtech Offline OP
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Hello,

I changed the CVT fluid in my 2013 Maxima, and did the external CVT filter as well. The Nissan filter assembly is # 31726 - 1XEOA. These photos show the original CVT filter that is plumbed to the radiator cooler, it is accessed by removal of the plastic splash panel at the drivers front wheel well. The RE&RE for this filter takes about 25 minutes after you remove the drivers front wheel.

Car ran fine before, should be fine going forward. This was the 2nd change of fluid from new, I run the Pennzoil Platinum CVT-2 oil because that's what I found was economical and shared the same manufacture as the Nissan NS2 oil. This original filter had 107,325 kilometers and 7 years use. FWIW, Nissan does not show any required maintenance for this filter. Whatever.

Here are the photos:

[Linked Image from live.staticflickr.com]MaximaCVT_Filter2 by Ken, on Flickr

[Linked Image from live.staticflickr.com]MaximaCVT_Filter3 by Ken, on Flickr

The filter and bracket are a brazed assembly, pretty heavy duty assembly for such a small filter. The pleats were clear...if you don't count the debris I introduced with my hack saw.

No attention to COVID-19 processes here, but I did wash my hands well afterwards because the used CVT oil does have a particular stink.


2017.5 Nissan Rogue SV FWD
2013 Nissan Maxima SV
2009 Ford Flex SEL FWD
1984 Yamaha XJ750RL
Re: Nissan Maxima CVT Filter C&P [Re: KGMtech] #5381254 03/20/20 01:34 PM
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JeffKeryk Offline
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I have used the Valvoline and Castrol CVT fluids in a high mileage Altima with excellent results.
I did not know there was a filter... Perhaps a service once every 80K makes sense?


2018 Tesla Model 3, Medium Range Battery
2018 Lexus RX450h
2013 Lexus GS350 F Sport
2006 Acura TSX
2001 Tundra Access Cab, 1998 Accord LX, 1968 Corvette L36 Roadster, 1965 Olds 4-4-2
Re: Nissan Maxima CVT Filter C&P [Re: KGMtech] #5381295 03/20/20 02:12 PM
Joined: Aug 2003
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JTK Offline
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Cool!

Thanks for taking the time to do this and share it. That's quite the assembly. Doesn't look too crazy expensive either. A quick google showed prices anywhere from $30-50. The filters are all over the place on these Jatco units it seems. Some are mounted behind the cylindrical shaped fluid cooler/heater assemblies, some are under their own housing on the transmission case as in my 2019 Pathfinder's CVT and some are complete external assemblies like yours. I guess what ever the rock catcher filter behind the pan doesn't grab, these will. I don't think I've ever seen a really clogged looking one based on what I've seen people post.

Last edited by JTK; 03/20/20 02:13 PM.

2019 Nissan Pathfinder SV
2017 Ram 1500 4x4, 3.6L.
2015 Nissan Versa 1.6 S
Re: Nissan Maxima CVT Filter C&P [Re: KGMtech] #5381329 03/20/20 02:47 PM
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Char Baby Offline
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Thank you for posting this. I didn't know there was an external filter for these CVTs. Whether or not my Altima or Civic in my signature have one, is open for some investigation.


Retired 6 yrs now & lovin' it
-----------------------------------

'80 Firebird FORMULA V8/4bbl-purchased "NEW"
'15 Nissan Altima 2.5 SV
'15 Honda Civic 1.8 LX
Re: Nissan Maxima CVT Filter C&P [Re: KGMtech] #5381379 03/20/20 03:48 PM
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Imp4 Offline
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Originally Posted by KGMtech
I did wash my hands well afterwards because the used CVT oil does have a particular stink.

+1 to the stinky CVT fluid smell. That stuff is gross.


2001 Mitsubishi Galant 2.4 - 165k+
Grandma's creampuff...
Re: Nissan Maxima CVT Filter C&P [Re: Imp4] #5381388 03/20/20 04:01 PM
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JTK Offline
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Originally Posted by Imp4
Originally Posted by KGMtech
I did wash my hands well afterwards because the used CVT oil does have a particular stink.

+1 to the stinky CVT fluid smell. That stuff is gross.


I've never used NS-2 or it's alternatives, but NS-3 has just an engine oil smell to it. Nothing terrible like most ATFs.


2019 Nissan Pathfinder SV
2017 Ram 1500 4x4, 3.6L.
2015 Nissan Versa 1.6 S
Re: Nissan Maxima CVT Filter C&P [Re: JTK] #5381538 03/20/20 06:44 PM
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KGMtech Offline OP
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Originally Posted by JTK
Originally Posted by Imp4
Originally Posted by KGMtech
I did wash my hands well afterwards because the used CVT oil does have a particular stink.

+1 to the stinky CVT fluid smell. That stuff is gross.


I've never used NS-2 or it's alternatives, but NS-3 has just an engine oil smell to it. Nothing terrible like most ATFs.


The new Pennzoil CVT-2 doesn't have a bad smell, not going to dab some behind my ears just yet...but when it ages in the transmission then it gets a bit ranky.


2017.5 Nissan Rogue SV FWD
2013 Nissan Maxima SV
2009 Ford Flex SEL FWD
1984 Yamaha XJ750RL
Re: Nissan Maxima CVT Filter C&P [Re: Char Baby] #5381578 03/20/20 07:20 PM
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blufeb95 Online Content
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Originally Posted by Char Baby
Thank you for posting this. I didn't know there was an external filter for these CVTs. Whether or not my Altima or Civic in my signature have one, is open for some investigation.

I'm pretty sure the 2013-2018 Altima's have both a filter screen above the pan, and then a cartridge filter that goes into another housing.

Re: Nissan Maxima CVT Filter C&P [Re: blufeb95] #5381785 03/21/20 03:05 AM
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Char Baby Offline
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Thank you. Yes, I am aware of the tranny pan screen type of filter. Do you know where the other one is located? smile


Retired 6 yrs now & lovin' it
-----------------------------------

'80 Firebird FORMULA V8/4bbl-purchased "NEW"
'15 Nissan Altima 2.5 SV
'15 Honda Civic 1.8 LX
Re: Nissan Maxima CVT Filter C&P [Re: Char Baby] #5382009 03/21/20 10:45 AM
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blufeb95 Online Content
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Originally Posted by Char Baby
Thank you. Yes, I am aware of the tranny pan screen type of filter. Do you know where the other one is located? smile

I haven't actually done it myself, but I was looking into buying an 2018 Altima so I was reading about servicing the transmission since I will do so regularly as sort of a preventive measure if I do end up buying one. At about 5:30 into this video he shows you where it is, it appears to be towards the front of the transmission.

Re: Nissan Maxima CVT Filter C&P [Re: KGMtech] #5382073 03/21/20 11:53 AM
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Char Baby Offline
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I've done a drain & refill of the CVT. It was easy and came out perfect. I'll look for THAT filter next time I'm under the car for an OCI.


Retired 6 yrs now & lovin' it
-----------------------------------

'80 Firebird FORMULA V8/4bbl-purchased "NEW"
'15 Nissan Altima 2.5 SV
'15 Honda Civic 1.8 LX
Re: Nissan Maxima CVT Filter C&P [Re: Char Baby] #5384803 03/24/20 05:32 PM
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JTK Offline
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Like mentioned above, your Altima might not have that same style filter housing. Yours might be mounted inside the fluid heater, which is a removable can shaped assembly on the transmission case.


2019 Nissan Pathfinder SV
2017 Ram 1500 4x4, 3.6L.
2015 Nissan Versa 1.6 S
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