[alfa] vibrating driveshaft

["Hans@ ItalianMotorWorks" <hans@xxxxxxxxxxxx>]

if the arrows at the splined end of the driveshaft are not lined up, take it
out, line up the tiny little arrows and get the shaft balanced again.
If they are lined up, try lowering the center bearing support.  Undo the two
coarse thread 8mm nuts that hold the support to the body. Obtain two more nuts
and put one on each stud. Now mount the support again, and test drive. Repeat
as necessary.
The studs are not long, so you mave have to put a threaded spacer on each one
and use a bolt to support the support. As you lower the support, the
driveshaft angle decreases and that has done the trick for me a few times in
the last 21 years.
ymmv,
Hans
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