Thanks guys. I just really want to share my little Porsche maintenance story here in the fashion that we used to do on the 911 board back in the day. (Maybe they still do)? I haven't been there much in many years since I sold my last air-cooled 911. I will probably link this thread there since it does not have 911 content and I basically live over here now.
Back to the job at hand:
Here is a shot of one of the junction boxes that I referred to. This is where sludge can hide and really screw-up brake proportioning:
I removed the front metal lines, (easy), and disconnected all of the rear connection points to flush them. These are the implements used:
Here is a shot of the front lines, before I removed them. This shows their orientation and the simplicity of the system:
I apologise that some of the pictures are not in perfect chronological order to the job but they were all taken during the same operation. I'm just grabbing them as I think of things.