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Author Topic: coupe 2.0 drive shaft spacer on 1977  (Read 198 times)
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mantagtj1981
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« on: September 16, 2019, 09:08:12 PM »

im in the middle of a restoration 1977 mk2 2.0 coupe manual, i noticed on one side driveshaft there was a 5.5mm thick alloy spacer which seemed to i think take up slack  between the outer cv  joint and the shaft .
having checked  the drive shafts are same length infact , so i cant see why you need this spacer it looks like someones fitted it .
infact i cannot get the small spring  round clip to sit behind the cv joint with the spacer fitted .
has anyone noticed this small spacer on  there cars? i m sure that  perhaps both sides should have a small spacer to take the slack up.

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Neil-yaj396
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1979 1300 Coupe 1983 2000ie Coupe


« Reply #1 on: September 17, 2019, 08:09:39 AM »

Photo?
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rossocorsa
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« Reply #2 on: September 18, 2019, 08:21:47 AM »

See link both shafts appear to be the same (item 30 is shown as 2 per car)
https://photos.app.goo.gl/1XLC2kXMqdvRp6rZA
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squiglyzigly
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« Reply #3 on: September 18, 2019, 09:17:56 AM »

Yes it is supposed to be there always. It’s is a spring steel washer to provide preload to prevent the joint ‘chattering’ on the shaft during rotation.
To fit the circlip you will have to apply a little downward force to overcome the preload the spacer is creating. It has to be like that or eventually there will be premature wear on the driveshaft splines/joint or both.
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Beta coupé VX (completed April 2017)
Beta Saloon 2000 s2 1979 (in progress)
Aprilia RSVR 2002
Aprilia Tuono R (130 rear wheel BHP)
Alfa 159 sportwagon
mantagtj1981
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« Reply #4 on: September 18, 2019, 11:42:48 AM »

hi thanks, i see that the picture shows one shaft only that was my question the spacer on mine is a solid alloy not steel 5.5 mm thick only fitted to drivers side  but im looking at both as there is play 5mm or  so and i agree that it should be  tighter . i used to  put thease on years ago when i was a mobile mechanic in the 1980s and found  some fwd cars all had too much slack it will wear the splines like you say .
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squiglyzigly
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« Reply #5 on: September 18, 2019, 07:18:08 PM »

I think they get lost when the split cv boots are replaced. When you pull the joint off of the shaft the preload washer often stays in the old boot hidden in the grease and gets thrown away unknowingly.
I’ve only ever seen curved spring steel washers used in beta/thema/croma/monte driveshafts but I guess there can be other types.
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Beta coupé VX (completed April 2017)
Beta Saloon 2000 s2 1979 (in progress)
Aprilia RSVR 2002
Aprilia Tuono R (130 rear wheel BHP)
Alfa 159 sportwagon
SanRemo78
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« Reply #6 on: September 21, 2019, 07:42:01 PM »

It's many years since I've had a Beta (but the Stratos replica runs Beta driveshafts) and my understanding is that the spacer/collar call it what you will, has a purpose. And that's to sit over the spring circlip to keep it in the groove whilst you insert the shaft into the outer CV joint?
Guy
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mantagtj1981
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« Reply #7 on: September 22, 2019, 08:50:42 PM »

i think both are good points having not seen a beta for years!  yes the original may have been a spring steel and  yes i had no end of trouble getting one cv  joint off!   theres no simple way  if that clip wants to get in the way  that it   bang away  it might give . ive ordered one new joint and im making the  spacers myself to take the slack up    out of good steel . will at some point be putting the pictures of the restoration  up  and the car will be  at many shows next year  rare cars looking forward to using it dont see many 77  2000 coupes about
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