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09-23-2006, 01:35 PM | #1 |
Top Scoob 006
Member#: 14424
Join Date: Jan 2002
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Vehicle:BugI w/ 07 STi Swap www.TriStateTuners.com |
Axle seal differences in recent years
I installed a 2006 STi transmission into my 2003 WRX, using early 2004 STi axle stubs, and was leaking transmission fluid at a pretty rapid pace. Yesterday I found out why...
There are two different types of axle seals which apply to different model year axles, and I have listed them below. Early 2004 Axle Seal Part Numbers (to be used with axle stubs / female axles): Left: 806730041 Right: 806730042 Late 2004-Present Axle Seal Part Numbers (to be used with male axles): Left: 806735230 Right: 806735240 Both seals have the same outer diameter and will fit into any transmission, however the inner diameter where it seals with the axle is 30mm for the old vs. 36mm for the new. This is because you will notice that on my 06 STi front axle, there is actually a step up where the axle gets significantly larger right before the green cv boot case. I dont want to promise that a WRX or STi or certain model year will do what, but the info I have is that the quoted part numbers apply to WRX or STi build dates up until Aug 2003 (includes early 04 models). The latter numbers I listed apply to anything from then on for the STi (and possibly WRX too? not sure...) And because it may also be helpful to those reading this thread, the axle stub and circlip part numbers are listed below. You need two of each, they are not side specific. Axle Stub Part Number: 38415AA110 Circlip Part Number: 805329010 I will let the comparison photos below tell the full story, but just wanted to let anyone out there know that there is in fact a difference. Early 04 axle stub vs. 06 STi axle... see the step up where it gets larger? I also made a tutorial on how to change axle seals for anyone looking to do this: http://forums.nasioc.com/forums/show....php?t=1097344
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Last edited by TROLL; 08-22-2010 at 12:42 AM. |
09-24-2006, 09:35 AM | #2 |
Scooby Specialist
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You only need the seals for the early 2004 "stubbed" transmission if you're using a newer stubless transmission and buying the stubs. You only need the seals for the newer "stubless" transmission if you're pulling the stubs out of an earlier transmission to use the male axles. Otherwise, you should be able to use the seals that come with the transmission.
Last edited by bluescoobywagon; 04-04-2007 at 08:07 AM. Reason: Corrected stubbed to stubless |
09-24-2006, 12:00 PM | #3 |
Top Scoob 006
Member#: 14424
Join Date: Jan 2002
Chapter/Region:
South East
Location: Stuart, FL
Vehicle:BugI w/ 07 STi Swap www.TriStateTuners.com |
agreed. i didnt see this info anywhere when i was reading about the swap so i didnt know it would be a necessary purchase for me. hopefully this helps out future swappers...
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09-24-2006, 12:22 PM | #4 |
Top Scoob 006
Member#: 14424
Join Date: Jan 2002
Chapter/Region:
South East
Location: Stuart, FL
Vehicle:BugI w/ 07 STi Swap www.TriStateTuners.com |
something i have not confirmed... are 04+ WRX Axles the same as the late 04-06 STi axles? Some say you can use them in an STi tranny, some say they dont fit quite right and will leak...
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09-24-2006, 08:19 PM | #5 |
Scooby Specialist
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I'm not sure if the male axles interchange between the 5MT and the 6MT as I'm running stubs. Where did you here/see that one was leaking?
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09-24-2006, 08:26 PM | #6 |
Top Scoob 006
Member#: 14424
Join Date: Jan 2002
Chapter/Region:
South East
Location: Stuart, FL
Vehicle:BugI w/ 07 STi Swap www.TriStateTuners.com |
ha i 'saw' that my 03 axles, 04 stubs, and 06 tranny (and seals) were leaking on my driveway underneath where i park my car... by way of redline synthetic stains in the asphalt.
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09-24-2006, 08:57 PM | #7 |
Scooby Specialist
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I meant male axles into male seals. IE 04 WRX axles into a stubless 6MT.
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09-24-2006, 08:58 PM | #8 |
Top Scoob 006
Member#: 14424
Join Date: Jan 2002
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there was an argument somewhere on here regarding a 6mt swap between a guy who used his 05 wrx axles and said they were working fine, and another guy who said that they can pop out of you do that and its not proper. so thats all its based on... dont really know much.
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10-07-2006, 10:50 AM | #9 |
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what axle studs and seals should i order from my subaru dealer, if im swapping in a 6mt that have no axle studs?
if i order the sti axles male ver could they fit in my 91 legacy turbo or there to long and bigger. |
10-17-2006, 02:25 AM | #10 |
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Do you have the part numbers for the early 04 axle studs??I'm doing the same swap in my 02 wrx
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10-17-2006, 06:51 AM | #11 |
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10-17-2006, 12:59 PM | #12 |
Top Scoob 006
Member#: 14424
Join Date: Jan 2002
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I updated the first post to be a little more clear and to add the part numbers for the axle stubs and circlips.
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12-04-2006, 07:14 PM | #13 |
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suscribed for later
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04-02-2007, 08:36 AM | #14 |
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Just figured I'd bump this since it helped me out so much
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04-03-2007, 11:11 PM | #15 |
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ok how about this:
i have an early 04 STI 6mt, and want to run the 05+ axles (late 04+), i tried the 05 seals, but the axle bottoms out before the seal actualyl seals, but the 04 seal is jsut a couple thou too big to seal to the male axle (non-shouldered part). do i have to swap the backlash adjusters (where you seal installs)to late 04+?? to place the seal correctly on the male axle? i hope someone can help. |
04-04-2007, 08:21 AM | #16 |
Scooby Specialist
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To clarify, you have an early "stubbed" 6MT and are using the later "male" 5MT axles. You pulled out the stubs and switched the seals to the "stubless" seals and the axle is bottoming before it seals.
Are you sure it's seated all the way? An easy way to check is to pull off the circlip from the end of the axle and then see how far in it will slide. I'd be willing to bet that you're just not getting the axle all the way in. |
04-04-2007, 09:15 AM | #17 |
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kinda, i have an early stubbed 6mt and am using later male 6MT axles, i dont know if they are the same as male 5MT.
im sure it is in all the way. the drive flange seats literally up agianst the trans. I found some people on here who posted about changing the seals and looking at it, the pre-load adjusters place the 05 axle seal farther out on the shaft, jsut like i thought it would. I got some on order, and am hoping they will thread in and fit fine. Im not sure they will. any more comments welcome! |
04-04-2007, 10:03 AM | #18 | |
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Quote:
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04-04-2007, 10:46 AM | #19 |
Top Scoob 006
Member#: 14424
Join Date: Jan 2002
Chapter/Region:
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Location: Stuart, FL
Vehicle:BugI w/ 07 STi Swap www.TriStateTuners.com |
if you can converte from a 'male tranny' to a 'stubbed tranny', why cant you go the other way too?
i have an 06 tranny i put stubs in and have been using female axles with and its been great, like others on here. i'm about to change it and use the original male axles (and seals) it came with. so if thats universal i don't see how it wouldnt work the other way as well, unless those plates from the 04 dont allow you, to um, go both ways. |
10-23-2007, 10:05 PM | #20 |
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ok I still have the old seals on my old axle
... do I need to remove those seals? is ther actualy a seal on both the axel AND outside of the transmission?? Last edited by IllNastyImpreza; 10-24-2007 at 01:34 PM. |
10-27-2007, 08:12 PM | #21 |
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Doing my 6 speed swap in two weeks from yesterday. I need to know if on my 06 6 speed, can i use the 06 STI front axles? Basically will the outter end fit into my 03 WRX front hubs? I have the STI axles, but dont know if they will fit into my hubs. If not i will have to order the stubs, circlips, seals and female axles if mine are male.
Thanks all, Jon |
10-27-2007, 08:52 PM | #22 |
Top Scoob 006
Member#: 14424
Join Date: Jan 2002
Chapter/Region:
South East
Location: Stuart, FL
Vehicle:BugI w/ 07 STi Swap www.TriStateTuners.com |
unfortunately the 06 STi hubs have a different abs setup so you cant use them as is with your stock WRX hubs.. you'll either need to find 04-05 STi axles, or use 04 STi axle stubs with 02-03 WRX female axles.
or you might be able to contact 6gunracing.com about whether they make an adapter kit for what you're looking to accomplish. |
01-04-2008, 06:07 PM | #23 |
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Edit. Delete Please
Last edited by ragejed; 01-05-2008 at 06:09 PM. |
01-04-2008, 10:19 PM | #24 |
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Edit. Delete Please
Last edited by ragejed; 01-05-2008 at 06:09 PM. |
01-15-2008, 02:32 PM | #25 |
Scooby Newbie
Member#: 117148
Join Date: Jun 2006
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just a quick question, I have a late model 04 STi, male axles, does this mean i could use 05 STi axles in my car? sorry if this is a noob question but I tore both of my front axles and i am having a hard time finding replacements for them.
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