Silvia (un)screw help by James DiStefano | Oct 18, 2015 | SEO News | 0 comments Silvia (un)screw help I have a 2002 Silvia that I bought used a dozen years ago. I back flush with Cafiza regularly, but I've never been able to get the screw out. more info… Submit a Comment Cancel replyYou must be logged in to post a comment.