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Author Topic: Clutch pressure plate  (Read 1016 times)
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jreacock
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« on: January 11, 2017, 11:00:12 PM »

Hi. Just wondering whether anyone has an opinion on the groove that has been worn into the pressure plate on my Spyder.
The clutch disc seems to be almost as new, and the bearing rotates freely (maybe a little too freely) - so I'm wondering why this scoring has happened. Is it normal - or is it knackered?
Thanks.





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HFStuart
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« Reply #1 on: January 11, 2017, 11:40:20 PM »

I'd suggest either the clutch has been badly adjusted or someone was resting their foot on the clutch pedal.

Either way that needs replacing - the wear is too much.
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rossocorsa
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« Reply #2 on: January 12, 2017, 12:07:48 AM »

Looking at that I'd suspect that the driven plate is more worn than you think, it is difficult to tell by eye how worn it is you'd need to micrometer it. Not very expensive to change if it's already apart.
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jreacock
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« Reply #3 on: January 12, 2017, 01:06:18 AM »

Thanks guys. I thought that may be the case.
Does anyone have a source for a full kit - rather than just the 2 piece?
Guy Croft seems to do the bearing, and BetaBoyz have the plate and disc - but you used to be able to get complete kits fairly easily. I've been looking for some time now, but can't really find anything.
Thanks again.
Justin.
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Lancia Delta 1500 (deceased)
Lancia Delta HF turbo carb (deceased)
Lancia Delta HF turbo ie (deceased)
81 Lancia Beta Spyder 2.0 Finished - Yay
72 Lancia Fulvia 1.6HF
squiglyzigly
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« Reply #4 on: February 19, 2017, 08:17:30 PM »

Over adjusted cable is a common fault or missing/broken return spring from the pivot arm to the little bracket on the bell housing.
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jreacock
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« Reply #5 on: February 19, 2017, 10:03:10 PM »

I don't think it had the return spring on it.
It's all apart now, (just about to go back together) but there's no spring visible in the pictures that I took before disassembly.
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Lancia Delta 1500 (deceased)
Lancia Delta HF turbo carb (deceased)
Lancia Delta HF turbo ie (deceased)
81 Lancia Beta Spyder 2.0 Finished - Yay
72 Lancia Fulvia 1.6HF
squiglyzigly
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« Reply #6 on: February 20, 2017, 08:47:32 AM »

I haven't got my car here to take a photo, but there is a small hole cast into the clutch arm. That's for the missing spring that keeps the bearing just floating above the pressure plate fingers rather than the stiction/friction of the cable not quite releasing after each pedal push and hence the bearing is always having a little pressure applied.
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Beta coupé VX (completed April 2017)
Aprilia RSVR 2002
Aprilia Tuono R (130 rear wheel BHP)
Alfa 159 sportwagon
WestonE
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« Reply #7 on: February 20, 2017, 01:11:53 PM »

You will probably have to buy the bearing and clutch plate & cover separately these days.

Eric
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jreacock
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« Reply #8 on: February 20, 2017, 11:01:17 PM »

Hi Eric. Yes - I got the bearing from Guy Croft (£39), and the Valeo pressure plate from Mister Auto for £85, which now seems to have increased to more like £167 from a few weeks ago:
http://www.mister-auto.co.uk/en/clutch-mechanism/valeo-802052_g261_a021802052.html

My disc seems to have plenty of meat on it - so I can only assume that I changed it the last time I had the gearbox off (around 25 years ago, when money would have been tight), and re-used the bearing and pressure plate.



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Lancia Delta 1500 (deceased)
Lancia Delta HF turbo carb (deceased)
Lancia Delta HF turbo ie (deceased)
81 Lancia Beta Spyder 2.0 Finished - Yay
72 Lancia Fulvia 1.6HF
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