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Join Date: May 2006
Location: Atlanta, GA
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Question Clutch Cable Installation

I'm having trouble hooking up my clutch pedal cable. I'm finishing a rebuild and had the transmisson off and I have a new clutch cable.

Should the transmisson lever and helper spring be "popped" aft and should the pedal be up or down? I can't seem to make it work. Thanks.

Old 12-22-2007, 09:01 AM
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Pedal is up. Keep it up with a block of wood or a prybar. Install the omega spring and, hook the cable on the arm, then you need to "pop" the spring to get tension. Then you can remove the block from the pedal. Adjust as needed.
Old 12-22-2007, 12:39 PM
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The secret to getting the clutch cable adjusted correctly is to understand what the Bowden tube does. The tube acts like a spring to keep the tension on the cable as the clutch is dropped in, as soon as the clutch starts to engage the torque on the transmision twists slightly against the cable, the bowden tube needs to be tight enough to act as a spring to account for this movement. If it is too loose the clutch will chatter, if too tight the clutch won't engage properly (arm won't return). It may take a few trys to get it right, adjusting at the transmission and sometimes at the pedal linkage.
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Old 12-24-2007, 10:11 PM
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Quote:
Originally Posted by A930Rocket View Post
Pedal is up. Keep it up with a block of wood or a prybar. Install the omega spring and, hook the cable on the arm, then you need to "pop" the spring to get tension. Then you can remove the block from the pedal. Adjust as needed.
Bringing back an older thread relevant to my question:

I just reinstalled my engine/trans and a new clutch cable. I blocked the pedal up, and adjusted the cable under the car as per the manual (adjustment bolt-to-arm at 1.2mm, hook up cable on arm, and adjust to 1mm).

When I removed the block and slowly pushed the pedal down for the first time, I got a "pop" sound and the pedal dropped to about half way down. I didn't push further but looked back under the car and now my adjustment is way out. IOWs, the arm has moved towards the front of the car and now rests on the adjustment bolt and the arm is well off the "stop" on the omega bracket. I can now move the pedal up and down with my hand for about 1/2 of the travel without any resistance other than that of the return spring in the pedal box. The second half of travel feels productive but I have no helper at this hour for me to go under and observe what is going on.

Figured I'd stop for the night anyway and query here. Did I simply experience the pop that 930Rocket mentioned, and now I can totally readjust again per the book... cable off, adjust to 1.2mm then cable back on, adjust to 1mm? thanks
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1986 930, 1969 Mach1, 2003 540 Sport, 2016 R1200RS

Last edited by gsxrken; 06-09-2012 at 06:31 PM..
Old 06-09-2012, 06:29 PM
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Is your omega spring in the proper position (snapped back against the heat exchanger) like this

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Old 06-09-2012, 06:40 PM
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