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Old 03-27-2012, 07:38 PM   #26
25rsti
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Any other info on this? I need to replace my seal and want to know if I really have to take the trans apart. I hope not.
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Old 03-27-2012, 07:46 PM   #27
V8 GTFO Lesbic WGN
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you have to unbolt the cover and case differential portion pictured.
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Old 03-27-2012, 07:50 PM   #28
25rsti
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I was affraid of that. I've never taken a trans apart. Anything else I should be aware of before doing this? I've read that the internals might come out. Should I stand it/lean it on the bellhousing so everything if facing skyward when removing?
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Old 03-27-2012, 08:31 PM   #29
V8 GTFO Lesbic WGN
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just live with the leak like the most of us.
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Old 03-27-2012, 08:43 PM   #30
25rsti
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really? I just got this transmission so I didn't know how bad it was but I was just trying to take care of everything before installing it.
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Old 05-19-2012, 04:40 AM   #31
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I just took the tranny out and it seems like I have this leak. I read in scoobymods that all that needs to be done is to remove the rear cover in order to remove the seal.

I'll see if I can take pics of this when I do the work.
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Old 05-19-2012, 04:54 PM   #32
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Can you take pictures?? I have a used 98 forester transmission with 86K and it leaks a little from the seal.. It's been in the basement now for 2 weeks while I prep for the transmission change.

I've heard two things.. no need to open it to change and others say the transfer case needs to be open to change it.

lol not sure why I pulled my own motor to do the headgaskets but for some reason I'm nervous about getting the transfer case back on because of the stupid shift rod that moves the fork.. I heard it's hard to get back in place?
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Old 05-21-2012, 06:43 PM   #33
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Bought the seal today. I'll check out the transmission and take some pics.
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Old 05-21-2012, 08:14 PM   #34
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Thanks
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Old 05-21-2012, 11:34 PM   #35
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Alright guys, since this site has provided me with a lot of useful info and many, many people have extended their help, I decided to take pics of all the steps required to get this damm seal off. Now, I did some research, actually alot, and read the manual left and right, but I still wasn't clear on how to do it.

I've taken my 99 Si transmission completely apart and rebuild it with all new bearings, seals, etc, so I'm used to seeing gears and shizznet.

This can be done by anyone, but be prepared to be very careful and have everything labeled if possible. But most of all, grab your sack before doing this lol.
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Old 05-21-2012, 11:46 PM   #36
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It's much easier to do this with the transmission out, so I don't see a way to do it with it still in the car.

This is how the leak looks from the back. Seems to have been leaking pretty bad and this tranny only has 68k miles.



Close up of the leak/seal.


To start off you need to remove the pin that holds the shifter linkage to the shift rod. I had a helper hold a punch under the rod to provide support while I hammered away, u don't want to bend the rod.



This is how it looks with it removed.

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Old 05-21-2012, 11:52 PM   #37
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Begin to take off the 14mm bolts that hold the rear cover/case in place. They are all the same size.



Once they are all removed, start gently hitting it with a rubber mallet. It will start to break free. It only uses silicone to hold it in place.



Carefully use a flat head screwdriver to break it completely free. The spot that I'm using is a perfect spot.



Carefully remove it and you will have some gearing and a bearing come with it. Be very careful and slowly remove the rear case and lay it aside. Cover everything with towels to avoid dirt/etc getting into them. I forgot to take a pic of this, but I can take one later.

You will see the diff now. I was afraid to touch it, but just grab it and gently pull it out.



You will be left with this.

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Old 05-21-2012, 11:59 PM   #38
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Remove these two sensors. I believe one is the backup light and I can't remember the other one.



I then flipped the tranny vertically to avoid anything falling off when taking the transfer case extension I believe it's called. A floor dolly is perfect for this. Do not place the tranny on the floor with the input shaft hitting the ground.



Remove all the bolts holding the case extension. Make sure you see where they go because some are longer. Once they are all removed, start hitting it with the rubber mallet all around in an upward hit unitl it start breaking free. Have two people is much easier. Start pulling on it slowly and at an angle since that how the shift rod is positioned. Be very careful and it will slide out leaving everything in place.



You will be left with this and now you see the damm seal. I used a needle nose plyer that had rounded bent end to take it out.



All all this work to get to this SOB. This is where I stopped because in order to put everything back together you need a gasket that goes between the transfer case extension and the rest of the tranny. The reverse process is done to put everything back together and pray that everything still works fine lol.




I hope this helps alot of people...
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Old 05-22-2012, 12:01 AM   #39
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On a side note, the seal does not go from the inside out, it actually goes onto where the shift rod is as you can see by the last pic. If anyone can figure out how to remove it without taking the shift rod out, that would save remove everything else. I decided not to try anything of that sort because if you scratch the rod, I'm sure that it will leak for ever even if new seals are used.
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Old 05-22-2012, 12:22 AM   #40
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sheet for all that work just to get to the seal... I held off with the seals till Friday because I'm going to split the case for the front seal and drive axles makes no sense to open the transmission twice.

btw I got the same transmission jack heh
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Old 05-22-2012, 01:28 AM   #41
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yeah, a pain in the arse. I just bought that jack from harbor freight since I was going to take the tranny off. It's a life saver when removing the tranny by yourself. Took me about a day's work to drop the tranny. Now I'm just waiting on the clutch and misc items to arrive to finish everything up.
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Old 11-20-2012, 02:01 AM   #42
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I just replaced the shifter seal on my "new to me" transmission this last weekend and salvi's photos were a big help.

After removing the rear housing I tried to get the seal out with the shift rod still in place by using a punch to collapse the seal, but I got worried about scratching the shaft and gave up. I can't see that there is any way to get the seal out with the shaft in place without causing damage.

At that point I was committed and I removed the transfer case extension as shown in the photos. It came off easily, but we had a scary moment trying to figure out where the shifter rod had engaged the shift rails. Basically the shifter rod has T at the end, one end of the T goes into a slot in the rear housing and the other side fits into notches in the three shifter rails. It turns out that it should be fine wherever you locate it when re-installing, but to make things easy I recommend putting the transmission in neutral before you remove the rear cover so that the three rails all line up. It's a bit tricky to get the gears to line up when re-installing the cover, but it just takes some fiddling around. I didn't have a new gasket for the transfer case extension but the original one was in good shape so I just put a light coat of grey RTV on it and re-assembled the transmission. No leaks so far.

Big thanks to Salvi for the writeup!

- Matt
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Old 11-22-2012, 11:54 PM   #43
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So what are the Seal & Gasket part #s?

03 WRX
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Old 12-03-2012, 09:43 PM   #44
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Has anyone put the extension to transmission joint together without a gasket and just silicone (YamaBond #4)? Is it a no go? Need an answer ASAP
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Old 12-03-2012, 10:47 PM   #45
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I'm sure Subaru used a gasket instead of silicone for a reason. Maybe the mating surfaces tolerances of those tow pieces are not as fine as others?

U can call your local dealer to get the parts numbers or buy it from them. You can also use opposedforces.com to find them.
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Old 04-22-2013, 03:17 PM   #46
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For those that have done this, would this be a good tool to use without removing the transfer case, or maybe just disconnecting the shift linkage?

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Old 04-22-2013, 03:59 PM   #47
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Nice seal puller...
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Old 04-22-2013, 10:43 PM   #48
salvi
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That is a nice tool, but the seal we are talking about is a hard seal, sort of the ones that the valve covers use. They are really small as well, so don't know if the seal puller will be able to grab it. But give it a try and let us know if it works.
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Old 05-06-2013, 04:23 PM   #49
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I replaced my seal this past weekend...tranny in the car, extension case off.

No go on the seal puller (post #46). You just can't hook it. It came with two hooks so I ground one down to fit better and still nothing. Even if you could, there's not a good place to anchor it. I got it out by carefully beating it up and picked it out. It took a while, but I was being cautious.

This was also my first (and second) time with silicone. I forgot to put the damn diff back in.
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Old 05-06-2013, 05:02 PM   #50
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haha, damm that sucks. The space under the car is really limited. I think I would rather just drop the tranny.
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