clutch cable adjustment

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kenmataya
Posts: 80
Joined: Mon Jun 21, 2010 3:18 am
Your car is a: 1972 124 spider

clutch cable adjustment

Post by kenmataya »

Hello Fiatistas,

My clutch pedal broke, so I had to replace it. While i was in there figure i would go ahead and replace the cable. Its all back together now, and seems to be working fine. I just eyeballed the adjustment ( backed it off too far first, and it wasn't fully disengaging the clutch ). Just wanted to know if there was any definitive way to make sure the adjustment is correct?

Thanks,
Ken
Ken
72 124 spider 1608
75 124 coupe 1756 (RIP)
72 124 coupe 1608 (RIP)
vandor
Posts: 3996
Joined: Sat May 23, 2009 1:23 pm
Your car is a: 1971 124 Spider
Location: Texas, USA

Re: clutch cable adjustment

Post by vandor »

Needs to have 1" (25mm) free play at the pedal.
Csaba
'71 124 Spider, much modified
'17 124 Abarth, silver
http://italiancarclub.com/csaba/
Co-owner of the best dang Fiat parts place in town
BEEK
Posts: 1833
Joined: Wed Mar 24, 2010 10:45 pm
Your car is a: 1975 Spider
Location: clermont fl

Re: clutch cable adjustment

Post by BEEK »

not to argue, because what vandor said is correct. but i adjust the clutch where there is about 1/4" of play, or pull back from the pressure plate. so the throw out bearing is not riding all the time. then hook up the spring underneath. that gives about a inch at the pedal
Automotive Service Technology Instructor (34 year Fiat mechanic)
75 spider
, 6 Lancia Scorpions, 2018 Abarth Spider, 500X wifes, 500L 3 82 Zagatos. 82 spider 34k original miles, 83 pininfarina, 8 fiat spider parts cars
son has 78 spider
kenmataya
Posts: 80
Joined: Mon Jun 21, 2010 3:18 am
Your car is a: 1972 124 spider

Re: clutch cable adjustment

Post by kenmataya »

yea, that 1" of play is a little hard to judge! thanks for the advice.

(btw, Csaba, I adjusted the clutch pedal and its working fine )

Thanks,
Ken
72 124 spider 1608
75 124 coupe 1756 (RIP)
72 124 coupe 1608 (RIP)
kenmataya
Posts: 80
Joined: Mon Jun 21, 2010 3:18 am
Your car is a: 1972 124 spider

Re: clutch cable adjustment

Post by kenmataya »

been going back and forth on the adjustment - thought i had it but when i started up and tried to shift into reverse the gears were grinding - couldn't get the trans to stop turning. so I tightened the adjustment nut 2 turns, no problem with reverse but then it was taking up "funny" - could tell it was slipping a bit at engagement. so i backed it of 1.5 turns and now reverse is grinding again -when its cold, when its warm its fine. guess i'll tighten it another 1/2 turn.... is the adjustment that precise??

Thanks,
Ken
Ken
72 124 spider 1608
75 124 coupe 1756 (RIP)
72 124 coupe 1608 (RIP)
131
Posts: 672
Joined: Sun Nov 14, 2010 1:13 am
Your car is a: 1982 131 Superbrava warmed 2.0 litre.
Location: Tasmania, Australia

Re: clutch cable adjustment

Post by 131 »

kenmataya wrote:is the adjustment that precise??
No, your next job will be a clutch replacement.
Mick.

'82 2litre 131, rally cams, IDFs & headers.
psg

Re: clutch cable adjustment

Post by psg »

has anyone fiddled with the spring? Mine seems very heavy. I thought I had a cable problem until I removed the spring and found the cable works fine but the spring is very stiff. psg
kenmataya
Posts: 80
Joined: Mon Jun 21, 2010 3:18 am
Your car is a: 1972 124 spider

Re: clutch cable adjustment

Post by kenmataya »

do you mean at the trans or under the dash? at the trans there should be a spring and a hook attached to the clutch fork. they may have been replaced with non-standard pieces. (actually, my clutch seems heavier since i replaced the pedal...)

thanks,
Ken
Ken
72 124 spider 1608
75 124 coupe 1756 (RIP)
72 124 coupe 1608 (RIP)
majicwrench

Re: clutch cable adjustment

Post by majicwrench »

Watch your firewall make sure it is not flexing/cracked.

Did clutch work fine BEFORE all this began??
psg

Re: clutch cable adjustment

Post by psg »

My fiat mechanic (sports car authority) was driving the car and recommended a new cable thinking mine was binding. It worked fine just seemed stiff/heavy. The engine is out for a performance tweak so I decided to swap cables. The old cable seems fine and everything else seems fine so the culprit seems to be the heavy spring and I am wondering if others have changed springs and what they may have used from the trans to the fork. psg
kenmataya
Posts: 80
Joined: Mon Jun 21, 2010 3:18 am
Your car is a: 1972 124 spider

Re: clutch cable adjustment

Post by kenmataya »

the clutch was fine before the pedal broke - think I got the adjustment worked out - all is good now!

Ken
Ken
72 124 spider 1608
75 124 coupe 1756 (RIP)
72 124 coupe 1608 (RIP)
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