Don -- thanks for the pictures! The cover will pry back a quarter inch, so I know I can get a wrench on that hex part. Leo 84.5 wolfsburg On Thu, 17 Nov 2005 21:07:59 -0500, Don Walter <dswalterwi@gmail.com> wrote: > These pictures may help: > http://scirocco.dyn.dhs.org/vw/list/Don_Walter/Pulley_Cover/ > The hex nut part is 13mm > If you can slide a wrench in there you can stop it from spinning.