I agree with Dave - the diff and gearbox both move - if the driveshaft can't
change length, something will "give" somewhere else
Make sure the vent hole in end of the shorter sliding piece is open and clear
-
if it's clogged the shaft can't slide
Cheers
Jack Mc
Sent from my iPhone
On Mar 23, 2012, at 6:11 PM, Dave1massey at cs.com wrote:
> Far be it from me to get in the way of your malty beverage but there may be
> many reasons for a sliding joint in the drive shaft on an IRS car. One may
> be the fact that the engine/trans and the diff are both mounted with
> compliant (rubber) mounts. Another is that if the shaft length were fixed
the
> length would have to be more accurate. With a sliding joint it only needs
to
> be able to adjust the actual distance wetwen the two ends. Another reason
> may be that it is the same shaft they've been using all along so why
change?
>
> Cheers.
>
> Dave
>
> In a message dated 3/23/2012 4:42:48 PM Central Daylight Time,
> fishplate at charter.net writes:
>> After a week of soaking with Deep Creep and random tapping with a copper
>> hammer, I'm still no closer to having a sliding drive shaft. I still
>> intend to get it moving somehow, but I can't help wondering: Why does
>> it need to slide? The transmission is (more or less) rigidly mounted,
>> and the differential is also. So, it's possible that it won't slide,
>> not from corrosion, but from 37 years of not having to slide.
>>
>> But if so, why go to that expense? I think I need a malty beverage...
>
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