Collar nut at U-Joint type steering GTV: why, what, how? - Alfa Romeo Bulletin Board & Forums
 
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post #1 of 3 (permalink) Old 09-09-2019, 06:57 PM Thread Starter
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Collar nut at U-Joint type steering GTV: why, what, how?

Sorry for a maybe stupid question. What is the function of the large collar nut at the junction between the steering shaft and short shaft which connects to the universal joint used on some late GTVs?

If this nut is tightened it will bear on the alum steering shaft support as it rotates with the shafts. That seems odd, steel on alum without a thrust bearing. Am I missing something?

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'73 GTV bare metal project... nearing 'car' status
E30 Daily - '65 912 project... no longer in waiting

Last edited by r-mm; 09-09-2019 at 07:36 PM.
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post #2 of 3 (permalink) Old 09-09-2019, 07:10 PM Thread Starter
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And can anyone comment on where the uj is supposed to sit with regard to the firewall? After r/r the box once or twice im not sure I have it right and I can hear the joint squeaking on the rubber boot. does it look as though it is too far where in these photos? its about centered wrt the firewall.

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'73 GTV bare metal project... nearing 'car' status
E30 Daily - '65 912 project... no longer in waiting
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post #3 of 3 (permalink) Old 09-10-2019, 04:26 AM Thread Starter
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Occurred to me this morning the nut may be a safety feature, intended to prevent the shaft from being pushed thru the alum support?

'73 GTV bare metal project... nearing 'car' status
E30 Daily - '65 912 project... no longer in waiting
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