Hi everybody! My hydraulic cylinder operating the convertible top on the driver side started leaking so I decided to replace it, easy job, I thought. Now it's been days that I am stuck because I cannot unscrew the torx t40 screw that secures the rod of the cylinder to the top mechanism. I tried power tools, penetrating oil...NOTHING. That screws doesn't move! Am I missing something ? I have a 2000 GT convertible. Thanks!