dear vibravan

worked in a tire shop early on in life - and yes
a wheel weight missing will cause a certain speed vibration -
Rather than pulling out the blame finger - to waggle at them
Look at rim - the missing wheel weight will leave a shadow of its former
self -
have the wheel rebalanced on high speed machine and see if the vibration
goes away
good luck

On Tue, Jul 21, 2020 at 4:19 PM David Boan <dboan@outlook.com> wrote:

> Dear Van Types
>
> I just had some suspension work done that included upper control arm
> bushings, new shocks, 1.5" lift springs in the rear only, and an alignment
> (front and rear).  The shop that did the work is experienced with tires and
> suspensions and Vanagons.  After the work I had a vibration that starts at
> about 35 mph and stops about 45 mph.  I feel the vibration in the steering
> wheel and shift lever.  At 30 mph and 60 mph it is quite smooth.  I went
> back to the shop and they tightened everything they had worked on.  A lower
> bolt on the front right shock was very loose, but they did not see anything
> else.  I drove home and the vibration continued.
>
> I am going back to the shop tomorrow and looking for a few ideas to
> suggest since they already said they did not see anything.  For example,
> should both the upper and lower control arm bushings be done at the same
> time?  Could they have knocked a balance weight off one of the wheels?  If
> the wheel was off-balance would that vibrate all the time and not just at
> that certain speed?
>
> Thanks in advance for any creative ideas and suggestions.
>
> Dave B
> Boise
>

--
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