Type 44 rear strut installation - washer or no washer?

[Michael, Dave]

Updated with a few corrections and additions:

> This is a BTDT question for those of you who have installed rear
> struts on type44 quattros. 
> 
> I am installing new springs on my avant, and while at it, installing
> new Monroe sensatracs (free replacement under lifetime warranty). The
> install diagram with the struts, does NOT show that one is supposed to
> use the washer between the bump stop and the adapter bracket that
> screws to the car.  The show the bottom of the bump stop bearing
> against the bottom of the expensive oddly shaped rubber thingy that
> goes on top of the adapter bracket. Diagram below  (strut shaft not
> shown).
> 
> TIA
> 
> Dave
> 90 200QA 210k
> 
>            _______
>          /    |     |   \
>          |    -------    |   <----rubber thingy that holds the top nut
> for the strut       
>          \--------------/
> ------------          ----------------   <------- Bracket that screws
> to the car
>          ------    ------   <---- Do I use this washer? 
>            _______
> +++++/    |   |    \++++++ < diaphragm part of rubber spring seat
>           |    |   |     |    
>           |    |   |     |
>           |    |   |     |   <----Bump stop foam
>           |    |   |     |
>           \  -----------/