I'm having a similar problem,  but I've removed the drive shaft and no
change.
After several sets of tire swaps, and greasing the CV joints I've come
to the
conclusion that I have a VVC, ( vibrating viscous coupling).  Moines are
flowing faster out than in these days, so replacement is not going to
happen any time soon.   My VVC has been overly aggressive for years
now, and my fix for this was a de-coupler. Now I'm thinking, that
I should drain the fluid out of the VVC to see if the fluid is what is
causing
the out of balance.    Comments?
                                                                ERic

Smith, Tim (BNB/ENB) wrote:

> occurs between 75 & 85 kph... it's not terribly bad and I try to avoid
> that range, only passing through to 90/95... should I live with it
> until it gets worse or would you have it addressed now?... thanks
>
> You're going to need a shaft soon.  Crawl under and see if someone has
> Already replaced the U-joints with ones with a grease fitting, the OEM
> Ones aren't greasable. Go to vanagon.com or syncro.org and read the
> Abundant stuuf on DIY U-joint replacement, alternative shafts, etc.
> Tim
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