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Old 10-14-2012, 12:39 AM   #1
Jc2004wrx
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2004 Wrx
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Default changing trany from 04 wrx to a 03 wrx what do I need?

Hello everybody I blew my 2nd gear on my 04 wrx and I found a 03 wrx trany. what else do I need to make this happen thanks
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Old 10-14-2012, 12:42 AM   #2
darksc00by
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pretty sure you don't need anything different.
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Old 10-14-2012, 11:09 AM   #3
fastnoypi
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you don't need anything special, just be sure everything is unplugged before your drop the old one out. Tranny jack would help alot of you have one available.
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Old 10-14-2012, 02:53 PM   #4
lukeskywrx
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2004 Spec-C Type RA
What MAF? -Speed Density!

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If you have a late model 04 you will have male axles, the 03 box has female axles.

so depending on what you have it might drop in or you will need axles.
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Old 10-14-2012, 05:40 PM   #5
Jc2004wrx
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world rally blue

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How do I know if I have a late model 04? Is that the BB and AA Diference on the trani numbers? If is that I have a AA transmition. Do I still need the axels?
And thanks for all you guys help.
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Old 10-14-2012, 07:20 PM   #6
JRsleeper
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Ver 8 EJ207 4.44's

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2 ways to tell.

Google your tranny number. Or get under the car and take a look.

Female axles have roll pins to hold them onto the male stubs from the tranny.

Male axle use a retainer clip on the axle stub that is inserted into the tranny.
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Old 10-14-2012, 08:33 PM   #7
Jc2004wrx
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ok so this is what I found
US Impreza WRX late MY04 TY754VV5AA 3.454 1.947 1.366 0.972 0.738 3.333 1.100 3.900 Viscous (4kgf) Open 1st synchro changed to dual cone type?
It looks like late model so yeah I need to change the axels.
do you guys know if i need to modified any thing on the breaks or will the axels work with the 04 breaks?
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Old 10-14-2012, 08:52 PM   #8
WhiteBgeye02
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just go under the car and take a picture and post it for use. take a pic of the half shaft were it meets the transmission. its easy to tell from a pic
all 02-07 wrx axles fit each other. its just the inside part of the axle that mounts to the trans that changes in late 04 into 05.
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Old 10-14-2012, 08:53 PM   #9
JRsleeper
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Ver 8 EJ207 4.44's

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No mods needed. That end of the axle is the same. All the 5x100 hubs take the same axle spline
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Old 10-14-2012, 10:48 PM   #10
lukeskywrx
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2004 Spec-C Type RA
What MAF? -Speed Density!

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As an alternative you can insert stubs into the tranny and run your female axles, you will also need the proper seals to match the axles.

these guys
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Old 10-15-2012, 10:48 AM   #11
WhiteBgeye02
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i went black...

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dont confuse the guy ^^
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Old 10-15-2012, 08:57 PM   #12
Jc2004wrx
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2004 Wrx
world rally blue

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lol thank you Iim trying to understand all of your point of views and opinions

here are the pictures of the transmition that is on the 04 wrx I hope that this will help id the kind of axels that I have
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Old 10-15-2012, 09:09 PM   #13
Jc2004wrx
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Join Date: May 2012
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Location: rancho cucamonga, california
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2004 Wrx
world rally blue

Default

sorry guys for posting in the wrong forum. And thank you for moving my tread to the right place.
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