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Old 11-29-2012, 03:23 PM   #1
Scooby Specialist
Member#: 45295
Join Date: Oct 2003
Chapter/Region: MWSOC
Location: West Bloomfield, MI
blue bugeye wrx
with another gear

Default 05 USDM 6 speed in 02 WRX......leaks out of front stubs/seals

I did this swap some 6-7 years ago and always had a bit of a leak from the front stubs, after my last round of research I think I figured out why but seem to have gotten lost in the process.

I have a 2005 USDM 6 speed in a 2002 WRX, I did it the cheap way reusing my axles and stubs out of my 5 speed. It seems that I should have used 04 STi stubs or possibly ?4eat stubs? and circlips. Currently my stubs just float in the front diff because the 02 5 speed used c-clips and required me to take it apart to get them out.

Looking for some clarification and hopefully some part numbers for the correct set-up to possibly stop my leaky trans.
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Old 11-29-2012, 03:55 PM   #2
Scooby Newbie
Member#: 275500
Join Date: Mar 2011
Location: Clarksville, TN
1992 SVX


Seeing as I do not know the differences in the stubs between the 5MT and 4EAT aside from the way they are retained, could you use the 4EAT circlips on your 5MT shafts?
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Old 11-29-2012, 04:12 PM   #3
Scooby Newbie
Member#: 283968
Join Date: May 2011
Chapter/Region: MWSOC
Location: Fort Wayne, IN
2003 WRX


you either:

1. use the 5-speed stubs, and take the transmission to properly put the clips in

2. use 6 speed or 4EAT stubs, using the exterior clip

3. use the 5-speed stubs, no clips, and leak
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Old 11-29-2012, 06:22 PM   #4
Scooby Specialist
Member#: 138994
Join Date: Jan 2007
Chapter/Region: MWSOC
Location: DeKalb-ish, IL
06 WRX Ltd
02 Forester S


Just keep it simple. Remove your 5MT stubs. Install 6MT stubs and circips, then reuse your axles. Also ensure you are using the correct axle seals in the side retainers.....there are two possible types to choose from. In fact install new axle seals while you're in there.

I would not suggest removing the clutch housing to install 5MT stub clips. Ehh.
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