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Swap out transmission filter or just let it be. #5421163 05/04/20 08:27 PM
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Micahmcmeen Offline OP
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planned on changing the transmission fluid in my 2008 Mazda 5 with about 115,000 miles on it. Normally I would do the filter but this bad boy has a drain plug on the bottom of the fluid pan. Should I just do the extra work and change the filter or just change the fluid. The fluid does appear to be pretty clean still.

Last edited by Micahmcmeen; 05/04/20 08:41 PM.
Re: Swap out transmission filter or just let it be. [Re: Micahmcmeen] #5421175 05/04/20 08:40 PM
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Inspecktor Offline
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If it has not been changed, I would put in a new filter. After than, drain and fill to your heart's content. Did one filter change on the buick in sig, then a few drain and fills. It is about to crack 300k on original trans.


2004 Mini Cooper 43,000 mi
2006 Dakota 4.7 156,000 mi
1986 GL1200A 74,500 mi
2001 Buick LeSabre Limited 299,800 mi
2001 Subaru Outback 169,000 mi
Re: Swap out transmission filter or just let it be. [Re: Micahmcmeen] #5421181 05/04/20 08:42 PM
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Snagglefoot Offline
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Yes, Time for a new filter. You can still use the drain to empty out the pan. Much less of a mess. smile

Last edited by Snagglefoot; 05/04/20 08:49 PM.

If you want the job done right......do it yourself.
Re: Swap out transmission filter or just let it be. [Re: Micahmcmeen] #5421190 05/04/20 08:50 PM
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clinebarger Offline
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Cleaning the magnets in the pan is important....Especially to the Solenoids.


2001 Chevy Camaro L92/4L80E
2006 Chevy 2500HD LBZ/Allison 1000
2010 Toyota Corolla 2ZR-FE/U341E
2000 Toyota Avalon 1MZ-FE/A541E
Re: Swap out transmission filter or just let it be. [Re: Micahmcmeen] #5421199 05/04/20 09:11 PM
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JohnnyJohnson Offline
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Change it how do you know it isn't a Tare O later?


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Re: Swap out transmission filter or just let it be. [Re: Micahmcmeen] #5421232 05/04/20 10:01 PM
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JeffKeryk Offline
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I would probably just do a spill and fill.
If i changed the filter, I would use a factory filter. Good luck.


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Re: Swap out transmission filter or just let it be. [Re: Micahmcmeen] #5421243 05/04/20 10:08 PM
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Donald Offline
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Originally Posted by Micahmcmeen
planned on changing the transmission fluid in my 2008 Mazda 5 with about 115,000 miles on it. Normally I would do the filter but this bad boy has a drain plug on the bottom of the fluid pan. Should I just do the extra work and change the filter or just change the fluid. The fluid does appear to be pretty clean still.


How long has the filter been in place? If it has over 1/2 your mileage (roughly 60K) I would change it. Not very expensive. The drain plug makes the job less messy.


2015 Ford F-250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Swap out transmission filter or just let it be. [Re: Micahmcmeen] #5421247 05/04/20 10:16 PM
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slacktide_bitog Offline
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There is no need to replace the filter smile

Re: Swap out transmission filter or just let it be. [Re: clinebarger] #5421293 05/05/20 12:36 AM
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IMSA_Racing_Fan Offline
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I agree with the magnet cleaning. Has anyone ever put two magnets in a trans pan? Also what about those oil filterwrap around magnets?


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1986 Kawasaki ZG1000 Concours
Re: Swap out transmission filter or just let it be. [Re: Micahmcmeen] #5421297 05/05/20 12:43 AM
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sloinker Online Shocked
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Change the filter. After 115k miles there will be an abundance of clutch material in the filter and plenty of worn steels on the magnets. I am sure the owners manual has an interval and it will be less than 115k miles.


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'15 VW Golf TDI Red Line 5W30 Euro
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Re: Swap out transmission filter or just let it be. [Re: IMSA_Racing_Fan] #5421301 05/05/20 12:55 AM
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clinebarger Offline
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Originally Posted by IMSA_Racing_Fan
I agree with the magnet cleaning. Has anyone ever put two magnets in a trans pan? Also what about those oil filterwrap around magnets?


Japanese makes like using several small magnets vs Domestic with 1 or 2 larger magnets in the trans pan.


2001 Chevy Camaro L92/4L80E
2006 Chevy 2500HD LBZ/Allison 1000
2010 Toyota Corolla 2ZR-FE/U341E
2000 Toyota Avalon 1MZ-FE/A541E
Re: Swap out transmission filter or just let it be. [Re: sloinker] #5421318 05/05/20 02:57 AM
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Snagglefoot Offline
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Originally Posted by sloinker
Change the filter. After 115k miles there will be an abundance of clutch material in the filter and plenty of worn steels on the magnets. I am sure the owners manual has an interval and it will be less than 115k miles.


The owners manual has six pages on appearance care and nothing about changing transmission fluid. Crazy.


If you want the job done right......do it yourself.
Re: Swap out transmission filter or just let it be. [Re: Donald] #5421322 05/05/20 03:47 AM
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Micahmcmeen Offline OP
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Originally Posted by Donald
Originally Posted by Micahmcmeen
planned on changing the transmission fluid in my 2008 Mazda 5 with about 115,000 miles on it. Normally I would do the filter but this bad boy has a drain plug on the bottom of the fluid pan. Should I just do the extra work and change the filter or just change the fluid. The fluid does appear to be pretty clean still.

How long has the filter been in place? If it has over 1/2 your mileage (roughly 60K) I would change it. Not very expensive. The drain plug makes the job less messy.

No Idea. I but the car recently and I just assume do it to be safe.

Re: Swap out transmission filter or just let it be. [Re: IMSA_Racing_Fan] #5421328 05/05/20 04:47 AM
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demarpaint Offline
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Originally Posted by IMSA_Racing_Fan
I agree with the magnet cleaning. Has anyone ever put two magnets in a trans pan? Also what about those oil filterwrap around magnets?

I have two OE magnets in both of the transmission pans in my two Jeeps. I did that under the advisement of two well respected Bitog friends.


God Bless Our Troops

Re: Swap out transmission filter or just let it be. [Re: Micahmcmeen] #5421416 05/05/20 07:54 AM
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Barkleymut Offline
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Can these OE magnets be purchased on RockAuto or are they a dealer only thing?


09 Vue 2.4L 4spd AT/ 09 Flex 3.5L / 96 F150 5.0 5speed / 07 Mustang GT auto
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