Down, boy! Just kidding. Nope, still have no idea what that is referring to. However, all I did (once I freed the disc) was to lower the exhaust shield a little, which gave the drive shaft a little more room to move and, voila, I had enough room to get the disc out and the new one in.
1994 C280, dark green metallic
1991 190E 2.6, Black
(sold to another forum member)
2003 Chevy Tahoe LT, Redfire Metallic
1989 Mustang GT Cobra Convertible