Wheel bearings?

Frank Condelli wrote:

>        I have a 1987 Vanagon Westy Syncro that I'm trying to find the
> vibration problem on and need some help.  Here is what's happening.
>        When driving off the van will begin to vibrate, just like your driving
> on those highway vibration strips to wake you up, when getting near 50 km/hr.
>  At 55 to 60 km/hr it seems to be the worst.  After that it seems to subside
> somewhat but is evident at all speeds right up to 140 km/hr.  At 120 to 140
> km/hr the vibration seems to smooth out and when your release the gas pedal
> it seems to go away all together for a moment or two.  When you depress the
> accelerator the vibration continues.  Also when lugging the engine in any
> gear the same vibration is produced.  I have had the vehicle up on four jack
> stands and inspected all eight CV joints and the two propellor shaft U-joints
> and find nothing loose.  I do see one torn CV joint boot on the RH outer rear
> drive shaft.  I am going to replace this boot and may find the CV joint
> damaged but so far it seems good.  I also notice that when turning in a tight
> radius the rear wheels scrub and the van seems to not want to roll freely.
> Is this normal on the syncro ?  This van does have the diff lock and the
> dashboard selector is off.  Maybe it is defective and engaged ?  Trying to
> find a cure for the vibration !  Any help appreciated.
>
> Cheers
>
> Frank Condelli
> '87 Westy & Lionel Trains
> <A HREF="http://www.vanagon.com/">Vanagon List</A>, <A
> HREF="http://www.bcn.net/~limbo/">LiMBO</A>, <A
> HREF="http://www.westfalia.qc.ca/CIW_English.asp">IWCCC</A> & Capital City VW
> Club member
> Vanagon/Vanagon Westfalia Service for the Ottawa Valley
> <A HREF="http://members.aol.com/Fkc43/stebro.htm">STEBRO/Vanagon Stainless
> Steel Mufflers</A>
> Almonte, Ontario, Canada
> <A HREF="http://members.aol.com/Fkc43/busindex.html">Frank Condelli &
> Associates</A> or http://frankcondelli.com