Tire rotation - vibration

[Tex Terry, II]

For what it worth - when the tires are rotated, get the tires balanced. 
This re-balancing will help get rid of vibration.  The tires will have worn
in a certain pattern, due to whatever alignment was set for the wheel-axle
that the particular tire came off from.  When the tire is placed in another
wear position, by being placed on another wheel-axle position, then a new
wear pattern will start.  Since the tire will be worn, the old wear pattern
will cause a vibration, which can only be compensated by balancing the
tire.  After balancing the tires, then get an alignment check done as soon
as possible.

Tex Terry, II
83 5kt non-quattro 
Franklin, PA  USA