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Registered
Join Date: Dec 2000
Posts: 43
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shift shaft seal / '72T /Tips?
Trasmission oil is coming out of the shaft and this is a '72 so I assume the transmission needs to come apart for this fix. Has anyone done this? Any tips?
David |
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06-08-2003, 09:36 AM
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Registered
Join Date: May 2000
Location: Los Alamos, NM, USA
Posts: 6,044
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What's leaking? Output shaft to clutch side or shift rod at front of transmission? Is the transmission in the car? Jim
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06-08-2003, 01:26 PM
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Assuming it is the shift rod shaft seal, here's the tech article on how to replace it. You don't need to drop the motor or tear apart the tranny.
There are some other articles in the archives. My recollection is it is a bear to get the seal out of the tranny - you'll need a hooked seal remover and some cohones to dig enough. Be careful not to score either the shifter rod or the case side or you'll be pumping out smelly tranny fluid. Don
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Don Plumley M235i memories: 87 911, 96 993, 13 Cayenne |
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06-08-2003, 03:55 PM
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Join Date: Oct 2000
Location: Centennial, CO, USA
Posts: 1,405
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Yep the whole transmission has to come out/apart to do it. AND, make sure it is in right, as it took three times for it on my car, once by me, twice by a professional. GOOD Luck. If you are in there for the first time in awhile, you might as well do the dogteeth and synchro rings.
There is also a trick to drill a hole in the bottom of the shaft tube, after the seal and before the throwout bearing/pressure plate spline arear,-- that way if the seal develops a leak a couple years down the line, at least it will not ruin your clutch plate and pressure plate. HTH
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Bill '72 911T-2.4S MFI Vintage Racer(heart out), '80 911SC Weissach,'95.5 S6 Avant Wunderwagen & 2005 997 C2S new ride. Last edited by zotman72; 06-08-2003 at 06:11 PM.. |
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06-08-2003, 06:09 PM
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Registered
Join Date: May 2000
Location: Los Alamos, NM, USA
Posts: 6,044
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If it's the shift rod seal, the transmission doesn't have to come apart. This seal can be done with the transmission in the car but is much easier if the transmission is out and one takes the front cover ("nose cone") off which contains this seal. Jim
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06-08-2003, 06:25 PM
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Registered
Join Date: Dec 2000
Posts: 43
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Thanks guys. I tried the 'in the car' route but to no avail. So, I just pulled the motor/trans out; made sure it was level and stable and very carefully pulled the transmission mount off and then I pulled the front off the transmission (with a tray underneath in case something fell out); nothing did (watch for the pin at the bottom and the washer); very gently drove out the seal and put the new one in; I will get a gasket today and put it all back in and not expect any leakage. By the way, if the seal has leaked for a while there can be fluid build-up in the tunnel, smelly and a pita to clean up.
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06-09-2003, 05:56 AM
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1987 Porsche Carrera 3.2 
