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Registered
Join Date: Mar 2005
Location: Memphis, TN
Posts: 99
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Am I missing something? Clutch replacement.
I have a 1980SC.
I am replacing the clutch. I have the engine and trans dropped. I have the 4 nuts removed from the trans that attach it to the engine. The trans will wiggle on the studs but will not come off the engine. What am I missing here? Thanks, Shelby
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Once Upon a Time: 1980 911 SC Sunroof Coupe, 76 Turbo Tail, Bilstein Sports, Ruf-type bumpers, SSI's, Sport muffler, Wevo engine & Trans Mounts, OMP Corsica wheel, Momo hub |
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Join Date: Oct 2003
Location: Michigan
Posts: 14,093
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Need to disconnect the clutch fork from the pressure plate.
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1981 911SC ROW SOLD - JULY 2015 Pacific Blue Wayne |
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If you have your clutch arm assy off the shaft that is pointing straight down, the fork will turn and slip off the throwout bearing as you seperate them. If the arm and spring are still on, it wont.
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Ed Hughes 2015 981 Cayman GTS 6 speed,Racing Yellow Past:1984 911 Targa (Ruby), 1995 993C2 (Sapphire), 1991 928S4 |
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Remove clutch position lever.......
To disengage the clutch fork, you need to remove the clutch position lever first. I borrowed this picture from another post. The clutch position lever with circlip is seen at the lower right of the picture.
![]() Tony |
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you dont have to remove the arm. just take a big screwdriver and move the big lever towards the front of the car until the omega spring snaps over center.
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Registered
Join Date: Mar 2005
Location: Memphis, TN
Posts: 99
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Awesome! I dropped the levers and replaced the spring in the past year, so they came right off tonight. The trans and engine split no problem. Thanks tons guys! Any need to know info on the clutch???
Shelby
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Once Upon a Time: 1980 911 SC Sunroof Coupe, 76 Turbo Tail, Bilstein Sports, Ruf-type bumpers, SSI's, Sport muffler, Wevo engine & Trans Mounts, OMP Corsica wheel, Momo hub |
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SC clutch........
When I replaced the clutch on my SC, I used one of the Sachs Power Clutch kits with the aluminum clutch cover. It is quite a bit lighter than a cast iron cover, lets the engine rev a bit quicker and doesn't cost as much as a lightened flywheel. Be certain to use new flywheel bolts, assuming you are replacing the rear main seal while in there. You can make a flywheel holding tool out of a double boxend wrench (box end on both ends) by putting one of the cover plate bolts back in the flywheel and using one of the bell housing bolts on the other end. Effective and free! Good luck with your project.
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FEC3 1980 911SC coupe "Zeus" 3.3SS god of thunder and lightning |
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Join Date: Oct 2001
Location: San Carlos, CA US
Posts: 5,523
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80SC flywheel bolts are re-usable. It is a good idea to replace the rear main seal now.
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Porsche 2005 GT3, 2006 997S with bore-scoring Exotic: Ferrari F360F1 TDF, Ferrari 328 GTS Disposable Car: BMW 530xiT, 2008 Mini Cooper S Two-wheel art: Ducati 907IE, Ducati 851 |
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Join Date: Dec 2000
Location: Westport,MA
Posts: 573
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Not to hijack, but how did you like the lighter clutch? Noticeable?
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Art '75 911 US Carrera #390 '74 MGB, AH 3000 BN7 V8, '65 Mustang Fastback, 66 bronco U13 |
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Lighter clutch.....
I do like it! Makes the engine feel more responsive without being too sensitive on the bottom end. Not a huge difference, but noticible.
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FEC3 1980 911SC coupe "Zeus" 3.3SS god of thunder and lightning |
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Join Date: Oct 2008
Location: Nash County, NC.
Posts: 8,505
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Flywheel bolts (12 point) holding the flywheel on are not reusable as they are stretch bolts, like rod bolts.
The 9 8mm pressure plate bolts are reusable if the heads are still good. Bruce |
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