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Magnus K
Joined: 25 Oct 2003
Posts: 151
Location: Linkoping, in Sweden
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 Posted: Wed Nov 10, 2004 5:47 am Post subject: Leaky transmission (linked pic) |
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Hi again!
The 4 speed transmission on my 924 seems to be leaking from where the gear selector goes into the tranny shell. Is this a normal problem and is there a seal that I can replace when the transmission is out of the car?
A picture of it is right here:
http://www.shell.linux.se/magnusk/projekt/bilder/20041106_rostletande03.jpg
Regards
Magnus
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Another curious Swede... 
Asleep in Sweden, Europe, when you US guys are awake... |
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Lizard
Joined: 03 Nov 2002
Posts: 9364
Location: Abbotsford BC. Canada
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| Posted: Wed Nov 10, 2004 12:49 pm Post subject: |
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well if you REALLY want to fix it right away it could be fixed with the tranny left in the car, but I wouldnt recommend it as you might mess up the alignment of the shifter rod.
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Magnus K
Joined: 25 Oct 2003
Posts: 151
Location: Linkoping, in Sweden
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| Posted: Wed Nov 10, 2004 9:03 pm Post subject: |
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I'm removing the tranny anyway, the gas tank needs a bit of care.
So, there is hope for this tranny then?
/Magnus
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-nick
Joined: 16 Nov 2002
Posts: 2699
Location: Cambridge, MA
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| Posted: Thu Nov 11, 2004 3:57 am Post subject: |
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Yep, there's a seal right where the shifter input is. I've never seen one leak that bad from there, but the seal should be readily available. Although, if you can find one and have a couple extra $$, then you're better off dropping in a 5-spd if you're pulling the tranny out anyway.
nick |
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Magnus K
Joined: 25 Oct 2003
Posts: 151
Location: Linkoping, in Sweden
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| Posted: Thu Nov 11, 2004 7:15 pm Post subject: |
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| -nick wrote: | | Yep, there's a seal right where the shifter input is. I've never seen one leak that bad from there, but the seal should be readily available. |
Well, this 924 is hopefully a "one of a kind"...  (Thinking of the amount of rust and other problems...)
| -nick wrote: | | Although, if you can find one and have a couple extra $$, then you're better off dropping in a 5-spd if you're pulling the tranny out anyway. |
Hmm... I'll have to try a lottery ticket to get cash, I think... 
Thanks!
Magnus
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Lizard
Joined: 03 Nov 2002
Posts: 9364
Location: Abbotsford BC. Canada
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| Posted: Thu Nov 11, 2004 8:30 pm Post subject: |
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stick with the 4 speed at the moment
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Magnus K
Joined: 25 Oct 2003
Posts: 151
Location: Linkoping, in Sweden
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| Posted: Thu Nov 18, 2004 9:05 pm Post subject: |
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OK, time for a little update.
After removing the transmission from the car I inspected it a bit closer. The oil seems to be coming from where the left inner CV joint is attached? The housing seemed to have more oil down there than up by the gear change mechanism...
Another pic of the mess: http://www.shell.linux.se/magnusk/projekt/bilder/20041102_drivaxlar02.jpg
The leaking don't seem that bad = I can't find any oil spots on the ground under the transmission. I'm thinking that the transmission gets a bit too hot when driving and the oil leaks out through the seal by the left drive shaft? I think I'll just try a better quality oil next season?
/Magnus
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AznDrgn
Joined: 03 Nov 2002
Posts: 1188
Location: Harrisonburg/Alexandria, Va
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| Posted: Fri Nov 19, 2004 1:06 am Post subject: |
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Hmm funny my tranny looks like that right now too except for it happened after I got in a wreck and the tranny took a serious hit.
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-'83 Callaway 944 2.5L turbo, 300HP, 1 of 42 ever made |
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-nick
Joined: 16 Nov 2002
Posts: 2699
Location: Cambridge, MA
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| Posted: Fri Nov 19, 2004 2:14 am Post subject: |
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Ah, the axle flange seals are very easy to replace. I've had leaks from there too. Make sure you order the correct seal (might as well buy two and change both sides). After you pull the cv axle off there is just an allen bolt in the center of the flange that holds it on. Take the bolt off and the flange will slide out easily. Then just pop the old seal off and carefully tap the new one in (be careful not to bend the metal inside the rubber of the seal). It's a pretty easy job.
On a positive note- you definitely won't have any rust issues around the tranny for a while!
nick |
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Magnus K
Joined: 25 Oct 2003
Posts: 151
Location: Linkoping, in Sweden
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| Posted: Fri Nov 19, 2004 2:20 am Post subject: |
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| -nick wrote: | | On a positive note- you definitely won't have any rust issues around the tranny for a while! |
Chek the pic again, Nick... The tranny is ok (Aluminium?) but the gear box at the rear is bright red = rust... I'm thinking of removing the rust and painting it with the same color I used for the brake calipers. Bright red! It would make my 924 look like a baboon, though... 
More seriously:
Sounds great! I'll check what the Porsche parts dealer wants for those seals.
Thanks!
Magnus
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CMXXXI
Joined: 05 Nov 2002
Posts: 1939
Location: Vicksburg, MS
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| Posted: Fri Nov 19, 2004 3:41 am Post subject: |
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The seals are readily available at a number of on-line retailers as well. I bought a pair from EuroWebParts.com two summers ago for just over $7.00 US each, but don't know if they are the same for all transmissions. What goes in my G31 box are Porsche part# 999.113.183.40
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Magnus K
Joined: 25 Oct 2003
Posts: 151
Location: Linkoping, in Sweden
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| Posted: Mon Nov 22, 2004 9:12 pm Post subject: |
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| -nick wrote: | | Although, if you can find one and have a couple extra $$, then you're better off dropping in a 5-spd if you're pulling the tranny out anyway. |
Well now... I seem to have found a cheep (-ish) 5 speed... Pretty affordable, as I see it, under $70 USD... (And no, I don't know the condition of it yet.)
I've tried searching here but I can't find exactly which 5-spd that's a no-hassel replacement for my 4-spd? Is the transaxel the same? It's a different unit on the dogleg 5-spd, that much I know...
Magnus
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Diesel
Joined: 03 Nov 2002
Posts: 1061
Location: Ellington,CT
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| Posted: Mon Nov 22, 2004 10:01 pm Post subject: |
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Don't forget you'll need the 5 speed shift rod and exhaust bracket.
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Magnus K
Joined: 25 Oct 2003
Posts: 151
Location: Linkoping, in Sweden
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| Posted: Mon Nov 22, 2004 10:21 pm Post subject: |
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| Diesel wrote: | | Don't forget you'll need the 5 speed shift rod and exhaust bracket. |
Is the shift rod longer on the 5 spd Audi than on the 4 spd Audi?
Bracket - OK, so it's different?
/Magnus
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-nick
Joined: 16 Nov 2002
Posts: 2699
Location: Cambridge, MA
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| Posted: Tue Nov 23, 2004 2:03 am Post subject: |
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The 5spd rod is actually shorter (the linkage on the tranny that slides into the rod is longer). You can swap your 4spd linkage over and not have to worry about the shift rod change, but I recall the shorter shift rod making things much easier when you go to sit the tranny back in. -likely Porsche's reason for the change.
-nick |
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