[DeTomaso] suggestion re: vibration

Thomas Törnblom tipo874 at gmail.com
Sat Jun 23 16:52:00 EDT 2018


Did you pull the half shafts apart? There are marks on the two halves that indicates how they are supposed to be clocked IIRC.

My cousin had assembled one of his half shafts out of phase and it vibrated pretty violently under acceleration.

Thomas

> 23 juni 2018 kl. 21:33 skrev Julian Kift <julian_kift at hotmail.com>:
> 
>   Unless you dismantled or separated the two halves while you had them
>   out, there should be no reason to reclock. If you replaced the u-joints
>   then that can introduce some vibration and although it is wise to have
>   the drive shafts balanced on u-joint replacement, it is usually not
>   critical.
> 
>   Remember there are two ends to the drive shaft, so even though you are
>   confident on the ZF side, check the wheel side bolts too! I have seen
>   many with incorrect bolts used, either full thread or wrong shoulder,
>   the shoulder bolts should be a relatively snug fit in the half shaft
>   too.
> 
>   Your symptoms certainly sounds like a drive train/road wheel issue, but
>   if you are confident all is okay then check engine mounts; both rubber
>   isolators and the engine block mounts for broken bolts.
> 
>   Julian
>     __________________________________________________________________
> 
>   From: DeTomaso <detomaso-bounces at server.detomasolist.com> on behalf of
>   Christer Eriksson <unnerstad.ekelund at gmail.com>
>   Sent: Saturday, June 23, 2018 12:21 PM
>   To: laurieferrari at aol.com
>   Cc: detomaso at server.detomasolist.com;
>   unnerstad.ekelundatgmail.com at aol.com
>   Subject: Re: [DeTomaso] suggestion re: vibration
> 
>   The halfshaft should be individualy balanced, need to rebalance?
>   Could it be that they need to be rotated 180 degrees=reclocked?
>   Thanks
>   loer 23 juni 2018 kl. 18:50 skrev Laurie Ferrari via DeTomaso <
>   detomaso at server.detomasolist.com>:
>>> Reliable source suggests you most likely need to reclock your half
>> shafts!  Th
>> ey are probably not clocked correctly.
>> 
>> 23 juni 2018 kl. 16:28 skrev Christer Eriksson <[1]unnerstad.ekelund
>   at
>> gmail.co
>> m>:
>>> 
>>>  Dear forum,
>>> 
>>>  During acceleration Iave got heavy vibrations in my #2783,
>   nothing
>>>  during de-accelerating nor continious speed. So heavy that the
>   rearview
>>>  mirror turns....
>>> 
>>>  Any ideas would be welcome!
>>> 
>>>  Thanks ChristerA
>>> 
>>> 
>>> !DSPAM:5b2e59371181377914284!
>> 
>> References
>> 
>>   1. [1]http://server.detomasolist.com/mailman/listinfo/detomaso
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