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Elusive Honda Transmission filter C+P #4710428
03/29/18 09:30 AM
03/29/18 09:30 AM
Joined: Mar 2010
Posts: 1,411
USA
SOHCman Offline OP
SOHCman  Offline OP
Joined: Mar 2010
Posts: 1,411
USA
Perhaps one has been posted before, but I haven't seen it on here. This is a few photos of the Honda 25430-PLR-003 transmission filter. It's from a CR-V with about 140K and was extremely hard to cut open due to the heavy steel. It had a pretty light relief valve spring, so I doubt it would ever starve the oil by going into full time bypass. Quite a bit of black grit caught in the media as you can see. I'm glad I replaced it with another.
Cheers






I urge people not to wait 100K to change out the fluid in their transfer case units. -Kestas
Re: Elusive Honda Transmission filter C+P [Re: SOHCman] #4710461
03/29/18 09:56 AM
03/29/18 09:56 AM
Joined: Oct 2014
Posts: 1,103
SW Ontario Canada
KGMtech Offline
KGMtech  Offline
Joined: Oct 2014
Posts: 1,103
SW Ontario Canada
Thanks! this is very interesting.


2017.5 Nissan Rogue SV FWD
2013 Nissan Maxima SV
2009 Ford Flex SEL FWD
1984 Yamaha XJ750RL
Re: Elusive Honda Transmission filter C+P [Re: SOHCman] #4710489
03/29/18 10:26 AM
03/29/18 10:26 AM
Joined: Dec 2016
Posts: 2,256
MURICA
maverickfhs Offline
maverickfhs  Offline
Joined: Dec 2016
Posts: 2,256
MURICA
Thanks, all the Honda's in my signature use that Transmission filter.

Have seen people comment it should be replaced or no need for it since if ATF has been done every 30K, it should not go bad.

Do you see any improvement after replacing it? Did you buy OEM one from dealer?

I might replace them this summer. Thanks for the C&P.


2006 Civic EX 205K/AT
2006 Acura TSX 187K/AT
Re: Elusive Honda Transmission filter C+P [Re: maverickfhs] #4710498
03/29/18 10:35 AM
03/29/18 10:35 AM
Joined: Mar 2010
Posts: 1,411
USA
SOHCman Offline OP
SOHCman  Offline OP
Joined: Mar 2010
Posts: 1,411
USA
Originally Posted By: maverickfhs
Thanks, all the Honda's in my signature use that Transmission filter.

Have seen people comment it should be replaced or no need for it since if ATF has been done every 30K, it should not go bad.

Do you see any improvement after replacing it? Did you buy OEM one from dealer?

I might replace them this summer. Thanks for the C&P.


No problem!

It is a factory filter made in Japan, but I ordered mine from Majestic Honda which has a good online parts diagram ordering system.

When I bought my CR-V used, it had questionable transmission servicing so I did multiple flushes with Maxlife LV ATF and replaced the filter for good measure. Other than my transmission is still working 30K later I have nothing to report. It does well on the maxlife LV, but I may go back to the honda fluid.

It was really easy to replace for me also being by the bottom of the radiator, some Hondas hide them up top.


I urge people not to wait 100K to change out the fluid in their transfer case units. -Kestas
Re: Elusive Honda Transmission filter C+P [Re: SOHCman] #4710516
03/29/18 11:14 AM
03/29/18 11:14 AM
Joined: Apr 2017
Posts: 1,494
Ontario, Canada
mightymousetech Offline
mightymousetech  Offline
Joined: Apr 2017
Posts: 1,494
Ontario, Canada
We see plugged OE filters quite often. The first sign is normally a gurgling noise at idle when started cold.


Mighty Mouse Tech
BMW Tech, Former Acura Tech
2010 Civic Si Castrol 0W40, Redline MTL
2013 BMW 135i M Sport Edition Castrol 0W40, Redline MTL
Re: Elusive Honda Transmission filter C+P [Re: mightymousetech] #4710519
03/29/18 11:16 AM
03/29/18 11:16 AM
Joined: Dec 2016
Posts: 2,256
MURICA
maverickfhs Offline
maverickfhs  Offline
Joined: Dec 2016
Posts: 2,256
MURICA
Originally Posted By: mightymousetech
We see plugged OE filters quite often. The first sign is normally a gurgling noise at idle when started cold.


Is there impact on drive-ability? Also, how often should this be replaced? 100K or 60K ?

P.S: Are plugged filters caused because of no maintenance on ATF side?


2006 Civic EX 205K/AT
2006 Acura TSX 187K/AT
Re: Elusive Honda Transmission filter C+P [Re: maverickfhs] #4710521
03/29/18 11:17 AM
03/29/18 11:17 AM
Joined: Apr 2017
Posts: 1,494
Ontario, Canada
mightymousetech Offline
mightymousetech  Offline
Joined: Apr 2017
Posts: 1,494
Ontario, Canada
Originally Posted By: maverickfhs
Originally Posted By: mightymousetech
We see plugged OE filters quite often. The first sign is normally a gurgling noise at idle when started cold.


Is there impact on drive-ability? Also, how often should this be replaced? 100K or 60K ?


Have never seen driveability issues from it. Honda says they never require replacement. We only replace them if they make noise.


Mighty Mouse Tech
BMW Tech, Former Acura Tech
2010 Civic Si Castrol 0W40, Redline MTL
2013 BMW 135i M Sport Edition Castrol 0W40, Redline MTL
Re: Elusive Honda Transmission filter C+P [Re: SOHCman] #4710522
03/29/18 11:18 AM
03/29/18 11:18 AM
Joined: Dec 2016
Posts: 2,256
MURICA
maverickfhs Offline
maverickfhs  Offline
Joined: Dec 2016
Posts: 2,256
MURICA
Originally Posted By: SOHCman
Originally Posted By: maverickfhs
Thanks, all the Honda's in my signature use that Transmission filter.

Have seen people comment it should be replaced or no need for it since if ATF has been done every 30K, it should not go bad.

Do you see any improvement after replacing it? Did you buy OEM one from dealer?

I might replace them this summer. Thanks for the C&P.


No problem!

It is a factory filter made in Japan, but I ordered mine from Majestic Honda which has a good online parts diagram ordering system.

When I bought my CR-V used, it had questionable transmission servicing so I did multiple flushes with Maxlife LV ATF and replaced the filter for good measure. Other than my transmission is still working 30K later I have nothing to report. It does well on the maxlife LV, but I may go back to the honda fluid.

It was really easy to replace for me also being by the bottom of the radiator, some Hondas hide them up top.



Thanks again, is media made of paper or metal mesh or something else?


2006 Civic EX 205K/AT
2006 Acura TSX 187K/AT
Re: Elusive Honda Transmission filter C+P [Re: maverickfhs] #4710530
03/29/18 11:29 AM
03/29/18 11:29 AM
Joined: Mar 2010
Posts: 1,411
USA
SOHCman Offline OP
SOHCman  Offline OP
Joined: Mar 2010
Posts: 1,411
USA
Originally Posted By: maverickfhs
Originally Posted By: SOHCman
Originally Posted By: maverickfhs
Thanks, all the Honda's in my signature use that Transmission filter.

Have seen people comment it should be replaced or no need for it since if ATF has been done every 30K, it should not go bad.

Do you see any improvement after replacing it? Did you buy OEM one from dealer?

I might replace them this summer. Thanks for the C&P.


No problem!

It is a factory filter made in Japan, but I ordered mine from Majestic Honda which has a good online parts diagram ordering system.

When I bought my CR-V used, it had questionable transmission servicing so I did multiple flushes with Maxlife LV ATF and replaced the filter for good measure. Other than my transmission is still working 30K later I have nothing to report. It does well on the maxlife LV, but I may go back to the honda fluid.

It was really easy to replace for me also being by the bottom of the radiator, some Hondas hide them up top.



Thanks again, is media made of paper or metal mesh or something else?


It appeared to be normal paper (cellulose?) media, a nice metal core and sturdy but weakly sprung bypass valve.


I urge people not to wait 100K to change out the fluid in their transfer case units. -Kestas
Re: Elusive Honda Transmission filter C+P [Re: SOHCman] #4710531
03/29/18 11:29 AM
03/29/18 11:29 AM
Joined: May 2014
Posts: 141
WI
Poohbah Offline
Poohbah  Offline
Joined: May 2014
Posts: 141
WI
I replaced the same filter on my Element at about 180k just to be safe. I think it cost me $18. Thanks for the dissection picture!


2004 Honda Element 210k
Honda A01 Mobil HM EP 5W-30
2016 Honda Civic LX 30k
Honda Dealer oil changes
Re: Elusive Honda Transmission filter C+P [Re: maverickfhs] #4710533
03/29/18 11:31 AM
03/29/18 11:31 AM
Joined: Mar 2010
Posts: 1,411
USA
SOHCman Offline OP
SOHCman  Offline OP
Joined: Mar 2010
Posts: 1,411
USA
Originally Posted By: maverickfhs
Originally Posted By: mightymousetech
We see plugged OE filters quite often. The first sign is normally a gurgling noise at idle when started cold.


Is there impact on drive-ability? Also, how often should this be replaced? 100K or 60K ?

P.S: Are plugged filters caused because of no maintenance on ATF side?


If your clutches plural lost enough material it could plug up the media for sure, but based on the relief valve it would never stop flow.

To be clear I would never WANT it to get so dirty that it was just bypassing, that's why I changed it at 140K and I might again at 300K smile


I urge people not to wait 100K to change out the fluid in their transfer case units. -Kestas
Re: Elusive Honda Transmission filter C+P [Re: SOHCman] #4710677
03/29/18 02:45 PM
03/29/18 02:45 PM
Joined: Oct 2011
Posts: 3,002
Chicago, IL
Brybo86 Offline
Brybo86  Offline
Joined: Oct 2011
Posts: 3,002
Chicago, IL
I changed mine a few years ago around 100k miles on my accord and posted a thread/pics.

I recall the filter looking brand new inside.


08 Honda Accord EX-L 2.4L M1 EP 0w20 145k
01 Kymco People 50
95 Lexus LS400 M1 AFE 0w30 193k
95 Yamaha Jog
Re: Elusive Honda Transmission filter C+P [Re: Brybo86] #4710761
03/29/18 04:55 PM
03/29/18 04:55 PM
Joined: Mar 2010
Posts: 1,411
USA
SOHCman Offline OP
SOHCman  Offline OP
Joined: Mar 2010
Posts: 1,411
USA
Originally Posted By: Brybo86
I changed mine a few years ago around 100k miles on my accord and posted a thread/pics.

I recall the filter looking brand new inside.


I bet you changed the fluid once or twice before 100k though smile


I urge people not to wait 100K to change out the fluid in their transfer case units. -Kestas
Re: Elusive Honda Transmission filter C+P [Re: SOHCman] #4710858
03/29/18 07:05 PM
03/29/18 07:05 PM
Joined: Dec 2016
Posts: 7,466
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,466
Waco, TX
INTERESTING!

Here is a FAKE:



"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Elusive Honda Transmission filter C+P [Re: SOHCman] #4710875
03/29/18 07:20 PM
03/29/18 07:20 PM
Joined: Dec 2016
Posts: 7,466
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,466
Waco, TX
Inside the Magna X Filter



"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
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