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Old 12-05-2019, 03:37 PM   #1
Hobby Racer
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Default Any tricks to get a stuck half shaft out?

Transmission: 2006 WRX 5 speed.

I'm trying to remove the right side half shaft and it seems stuck in the front differential. The left side popped out easily but the right side will not come out. The CV joint is able to move in an out slightly so I know the splines are not jammed up. I think the circlip is stuck and not compressing like it should to allow the CV to slide out.

I have access to the other side and have tried using a long punch to drive it out with no luck. I don't want to damage the front differential by whaling on it from the opposite side and possibly shearing the circlip which could then get wedged in the splines.

Any tricks or ideas on how to get this out?

BTW - the transmission is in a Factory Five 818R and not a WRX in case your wondering about the pics







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Old 12-05-2019, 06:06 PM   #2
NickVu
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Two crowbars on opposite sides of the cup. Some scrap wood to pad them high enough so you can lever it out.
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Old 12-05-2019, 09:18 PM   #3
Hobby Racer
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Quote:
Originally Posted by NickVu View Post
Two crowbars on opposite sides of the cup. Some scrap wood to pad them high enough so you can lever it out.
Tried that first, no go. If I pried any harder I'd track the case!
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Old 12-05-2019, 09:30 PM   #4
Blktrax
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A couple of thoughts,

1: Your left side axle seal is trashed, the spring is hanging out just above that red arrow.

2: Where is the spider gear cross pin?!? or doyou have a magic LSD in there that doesn't have spider gears? I know the pic has female axles stubs but they clip in the same way.

3: Typical aftermarket axle. Get the Big pry bar, not that one, the 4-5ft bar, then pivot it on the bolt boss, on the case, just behind the axle. If it won't pop then, somethings gone janky in the diff.

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Old 12-05-2019, 09:49 PM   #5
Hobby Racer
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Quote:
Originally Posted by Blktrax View Post
1: Your left side axle seal is trashed, the spring is hanging out just above that red arrow.
Yes, trashed it getting the left side axle out.

Quote:
Originally Posted by Blktrax View Post
2: Where is the spider gear cross pin?!? or doyou have a magic LSD in there that doesn't have spider gears? I know the pic has female axles stubs but they clip in the same way.
Magic diff, Quaife TBD

Quote:
Originally Posted by Blktrax View Post
3: Typical aftermarket axle. Get the Big pry bar, not that one, the 4-5ft bar, then pivot it on the bolt boss, on the case, just behind the axle. If it won't pop then, somethings gone janky in the diff.

Wow, 4-5 ft! That doesn't crack the case?
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Old 12-05-2019, 09:58 PM   #6
Blktrax
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Nah, my 48" is the meh gotta get it out bar.

The 84" is i'm done asking bar

The tolerance on aftermarket cir-clips is junk, just make sure you're on the meat of the case on a bolt boss and not on the thinner part of the case wall.

A scrap of plate steel between the case and the bar pivot, if it would make you feel more better.
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Old 12-05-2019, 10:03 PM   #7
niemkij
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Quote:
Originally Posted by Blktrax View Post
Nah, my 48" is the meh gotta get it out bar.

The 84" is i'm done asking bar

The tolerance on aftermarket cir-clips is junk, just make sure you're on the meat of the case on a bolt boss and not on the thinner part of the case wall.

A scrap of plate steel between the case and the bar pivot, if it would make you feel more better.
If one side is out, I have been able to get the other side our with a bar from the opposite side and a good wack with a heavy hammer. I first snug the stuck axle as far out as possible.
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Old 12-05-2019, 10:15 PM   #8
Blktrax
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Since no diff pin its a clean shot, but then again you're putting a hard shock load on the bearing, race, and sundial cap. Depending on how rowdy one would have to get.

Could always take a can of Air duster, flip the can and freeze the tip of the shaft, get a little shrinkage action too.

Last edited by Blktrax; 12-05-2019 at 10:21 PM.
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Old 12-06-2019, 07:03 AM   #9
Hobby Racer
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Quote:
Originally Posted by niemkij View Post
If one side is out, I have been able to get the other side our with a bar from the opposite side and a good wack with a heavy hammer. I first snug the stuck axle as far out as possible.
No luck with that using a 5 lbs hammer and a long punch.

I saw a video of someone using a chain wrapped around the CV cup attached to a slide hammer. Anyone tried that with good results?
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Old 12-06-2019, 07:06 AM   #10
Hobby Racer
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Quote:
Originally Posted by Blktrax View Post
Since no diff pin its a clean shot, but then again you're putting a hard shock load on the bearing, race, and sundial cap. Depending on how rowdy one would have to get.

Could always take a can of Air duster, flip the can and freeze the tip of the shaft, get a little shrinkage action too.
Yeah, main concern is the diff and the bearings. I'm trying not to damage them so they can be reused.
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Old 12-06-2019, 09:55 AM   #11
Hobby Racer
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Quote:
Originally Posted by Blktrax View Post
Nah, my 48" is the meh gotta get it out bar.
Finally got it! It did take a 4 ft try bar and a piece of brass up against the bolt boss to protect the case.

Thanks for the advise. Not sure I would have dared to put that much pressure on it without knowing someone else had done it first.
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