911SC Shift Linkage Spring
#1
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Join Date: Mar 2005
Location: Ann Arbor, MI
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911SC Shift Linkage Spring
Guys,
I have an '83SC with a stiff clutch pedal. While inspecting the underside I discovered that a spring on the linkage at the trans is broken (#21 in the image). I assume this helps in actuating the clutch pedal. Is that correct?
Thanks,
I have an '83SC with a stiff clutch pedal. While inspecting the underside I discovered that a spring on the linkage at the trans is broken (#21 in the image). I assume this helps in actuating the clutch pedal. Is that correct?
Thanks,
#2
Team Owner
Yes . This is called the OMEGA spring . it is kind of strange in how it works and is easier to watch than describe. But yes overall it does help with activation.
http://www.pelicanparts.com/techarti...utch_cable.htm
http://www.pelicanparts.com/techarti...utch_cable.htm
#4
Burning Brakes
It was broken on my 84 as well, and I didn't know it. Left us stranded when the clutch would not engage. Not too terribly expensive but can be a bit tricky to install. Watch your fingers!
#5
Team Owner
well.... unless you really like extremely painfull and purple finger nails ... id be wearing eye protection too for that baby ..
#6
Burning Brakes
#7
Team Owner
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#8
Rennlist Member
Keep in mind that the OP's car might also need a clutch cable. Are records available? Also, examine the bowden tube section of the cable (the black housing that curves along the left side of the transmission). Does it say "Made In West(ern) Germany" in white letters on it? If it does, you have a junk after market cable; plan on replacing it along with the Omega spring.
Last edited by Peter Zimmermann; 08-12-2013 at 09:15 PM.
#9
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Hi Pete,
One owner all original '83 cab with 31,000 miles, no clutch work ever done.
New cable and omega spring are ordered along with clevis pin.
Thanks to all!
One owner all original '83 cab with 31,000 miles, no clutch work ever done.
New cable and omega spring are ordered along with clevis pin.
Thanks to all!
#10
Rennlist Member
Be sure to get an o.e. cable! Also, if the clutch has been stiff to operate for a while, consider a new bushing, plastic o.e. not brass, for the clevis pin.
#11
#12
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Here's a guide you can use when replacing the spring: Replacing Your Clutch Helper Spring
Also another good reference for your '83SC, Clutch Cable Replacement instructions. This is a very worthwhile DIY - you'll feel the difference!
Mark/Pelican Parts
Also another good reference for your '83SC, Clutch Cable Replacement instructions. This is a very worthwhile DIY - you'll feel the difference!
Mark/Pelican Parts
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#13
Is it pretty obvious when the spring is broken? My clutch ('86) is a bit stiff and a little jerky and I'm hoping it is just the cable that needs to be lubricated a bit. Would you know for sure if you have a helper press the clutch petal while watching it's movement at the arm?
Thanks,
Franny
Thanks,
Franny
#14
Rennlist Member
Is it pretty obvious when the spring is broken? My clutch ('86) is a bit stiff and a little jerky and I'm hoping it is just the cable that needs to be lubricated a bit. Would you know for sure if you have a helper press the clutch petal while watching it's movement at the arm?
Thanks, Franny
Thanks, Franny
You don't "lube" clutch cables. Use a high quality amber grease, on the section of the new cable that fits inside the tunnel, that's a "lifetime" install. After the clutch gets heavy from high mileage (80K + miles) on a cable; replace it. A visual of the Omega spring will tell you its condition, compare yours to a parts book picture and look for one or two broken leafs.