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is this a leaky CV joint seal?
Finally got car up on a lift and was able to take some pictures...
CV boot looks dry and intact, but joint from transaxle seems to be throwing oil. Any thoughts? Thanks! 
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Jason - Austin, TX 82 911 SC targa (gone, but not forgotten) 92 968 coupe |
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09-06-2015, 07:36 PM
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Sorry to type, it is the differential seal. Mine has started weeping too :-(.
Oh the joy, another thing to take care of when I drop the engine this winter 
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'85 Carrera Targa Factory Marble Grey/Black * Turbo Tail * 930 Steering Wheel* Sport Seats * 17" Fuchs (r) * 3.4 * 964 Cams * 915 * LSD * Factory SS * Turbo Tie Rods * Bilsteins * Euro Pre-Muff * SW Chip on 4K DME * NGK * Sienes GSK * Targa Body Brace PCA/POC Last edited by DRACO A5OG; 09-09-2015 at 08:20 AM.. |
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09-06-2015, 08:01 PM
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Almost Banned Once
Join Date: Feb 2009
Location: Adelaide South Australia
Posts: 38,519
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Yes, seeping differential seals. I wouldn't worry about it the way it is. Just keep an eye on it.
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- Peter |
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09-06-2015, 08:15 PM
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Thanks guys, I'm guessing this is a big job from the way you're talking about it :-/ will research.
Weird that the transmission was just rebuilt (I believe) about 12k miles ago...how long do they last?
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Jason - Austin, TX 82 911 SC targa (gone, but not forgotten) 92 968 coupe |
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09-07-2015, 09:24 AM
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Almost Banned Once
Join Date: Feb 2009
Location: Adelaide South Australia
Posts: 38,519
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...how long do they last?
A lot longer than 12k but our gearboxes are getting old and the hub seal surface may be worn (like a lot of things in these old cars) The best thing I could tell you is keep an eye on your fluid levels and enjoy your car. Don't stress over stuff like this.
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- Peter |
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09-07-2015, 09:55 AM
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My vote goes for output flange seal. Not a terrible project. Drop the axles, unbolt the flange, pry out the old, and tap in new - re-assemble. Can be done on jackstands, but a lift makes it a breeze.
I did mine along with a rear suspension refresh. Seals are about half way down on page one: And we're off! '74 Rear Suspension Rebuild -C
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Bone stock 1974 911S Targa. 1972 914/4 Race Car |
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09-07-2015, 09:55 AM
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I'm replacing mine next week. Noticed Swepco leaking from drivers side axle.
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09-07-2015, 10:21 AM
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911
Marble Grey
1974 Porsche 911S Targa
