Clutch cable adjustment

[joe912/62]

I assume the transmission needs to be in neutral to adjust the cable?
I'm having issues sometimes going into reverse. All other gears work fine during shifting. I've raised the car and at the moment with the car in neutral there is no gap between the adjustment screw and the lever is this normal? I have replaced all the shifter bushings and installed a aftermarket coupler

[rs6er]

Are you sure you have the coupler adjusted right?


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[joe912/62]

I think so, I marked the original position of it when I removed the old one. Leaving the car in 3rd gear position and putting it back. Would that effect the position of the clutch cable?

[rs6er]

There is a lockout tab to keep you from going from 5th to reverse. If your coupler is adjusted wrong, you may not be clearing or actuating this tab when you go from neutral to reverse. Was it working before you put the new coupler in?


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[walt]

You should have a 1.2 mm gap between the adjustment screw and lever with the cable disconnected and 1mm after connecting the cable. Also check you have 25mm +/- .5mm of travel at the cable end when the clutch is fully depressed.

[joe912/62]

There's no gap at all at this moment. I'll do the adjustment to put it into spec.

[joe912/62]

Should there be a 1mm gap as it sits now without any adjustment?

[MattTHEpainter]

If you only replaced the coupler and didn't touch the clutch cable...the coupler is likely your problem.

[joe912/62]

Did the adjustment but I think I screwed it up now.

[rs6er]

Repetition deleted.

[rs6er]

Originally Posted by rs6er

This is my 915. 1st picture is in 5th gear.



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[rs6er]

3rd gear


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[joe912/62]

I managed to do the adjustment but now I have a bit of play on the pedal, feels like the pedal travels about 1" before feeling the clutch engaging. When I let go of the pedal it feels like the spring let's go at that 1" play. Need more adjusting?

[David Inc.]

Originally Posted by joe912/62

I managed to do the adjustment but now I have a bit of play on the pedal, feels like the pedal travels about 1" before feeling the clutch engaging. When I let go of the pedal it feels like the spring let's go at that 1" play. Need more adjusting?

The clutch return spring on the pedal assembly may have given up on life. The geometry of it is such that it assists when you're pushing in the clutch, and also pushes the pedal up at rest. Mine broke a few years back and had that same slack at the top until I replaced it.

Refer to this post which shows the spring during installation. https://forums.pelicanparts.com/porsche-911-technical-forum/159061-dreaded-clutch-pedal-return-spring-2.html#post5473958

[walt]

1" play seems a bit much, mine is usually around 1/2" after adjustment. Recheck your 1 mm gap. My omega spring gave out after 40 years also, if you're in there probably not a bad time to just replace it.

[joe912/62]

I didn't have that play prior to doing the adjustment

[911obgyn]

Make sure the gap is there with cable disconnected, when cable is connected there is no gap.

[PeteKz]

As long as the clutch fully disengages when the pedal is most of the way down (but before it's all the way down), you're okay. You can get around to replacing the clutch pedal spring or other parts "whenever."

[rs6er]

Does it need adjustment if it only disengages all the way down?


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[Otter74]

My clutch engages about an inch off the floor but it is completely disengaged when the pedal is all the way down. If yours is like that it’s fine. If it’s barely disengaged with the pedal against the stop it needs. Adjustment.