Re: [alfa] Re: 77 GTV Drive Shaft problem

[Bernie & Diana Bennett <bennetts77833@xxxxxxxxxxxxx>]

Jason:

Gwynne is Right. Alfetta's (Sprint Veloce's) 116 29 and 116 58 (I think 
that's the sedan) donuts crack and 'spirited' driving stresses them and 
they crack or break or chunk.  My Alfetta GT (1975 116 29) would go 
about 25,000 miles and Bang! (usually when someone else was test driving 
it <g>) Milano didn't have that problem. Alfetta Sedan automatic 
transmission didn't either. I think the shifts were gentler on the 
driveline when controlled by the automatic. We sure liked to kick it 
down a gear to hear it roar and have that rush of speed. It was the 
first Alfa Diana had as a daily driver, and she'd come home grinning and 
say, "I took the long way home made my car be an Alfa . . ."

Good luck, when you change one, change all three and make sure you mark 
the drive shaft before you disassemble it. Also, be aware of the center 
support alignment as it can hasten wear if not correct.

Best Wishes,
Bernie Bennett
Brenham, TX


Gwynne W. Spencer wrote:

>If the Guibo is old, highly suspect it. The rubber gets hard with age and 
>can have internal cracks.
>
>Gwynne Spencer
>
>At 10:20 PM 8/26/2004 +0200, you wrote:
>  
>
>>Thanks for the responses
>>        I think I need to add a little more history. When I purchased the 
>>car about 2 months ago, it had little or no vibration, but then a small 
>>200Km/h burst on the autobahn seems to have put an end to that and that 
>>has been the only "abnormal" driving that I have done. Before this, it 
>>was reasonably smooth to 6200rpm, but now it is really rough at 1200 and 
>>3000rpm, it just suddenly occurred at around the same time that the last 
>>stage of the exhaust detached, and I had just completed the 10 minutes at 
>>200Km/h. The guibos and center bearing seem to be in good condition.
>>
>>Is it possible for the weights to come off the shaft?
>>
>>Is it more likely that the shafts have moved off center?
>>
>>I am thinking of loosening the pinch bolts and letting the engine idle 
>>briefly as per Michael Harris' instructions on GTV6.org. Anyway thanks for 
>>the suggestions, and anything else that you can add will be appreciated.
>>
>>
>>Jason
>>
>>1977 GTV 2000
>>
>>
>>
>>
>>    
>>
>>>Jason,
>>>
>>>When you have a 2 peice drive shaft like that of an Alfetta, you can find 3
>>>different connections for bolting that together.
>>>I would look for some mating marks on the two ends in the middle to see 
>>>if you
>>>have the drive shaft misaligned. You could be off 1/3 and it would cause the
>>>problem you are speaking about.
>>>I always used a tool to make arrow marks when I removed the drive shaft so
>>>that I was sure to get it realigned back the way it came out.
>>>I am guessing that the center support is in good condition? If that isn't,
>>>then it will also allow for some movement.
>>>Christopher Boles
>>>      
>>>
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