He describes it as having two bolts and it holds the torque tube to the transmission.
He tells me that it is so chewed up he cannot tell what it is.The only bolts that could get chewed up, that are in that area, are the the universal joint bolts.
Also the bolts may have not had any locking clips.
Sometimes when the front bushing goes bad or when the U-Joint ball/bell housing gets sloppy at the torque tube connection.
The torque tube starts to drop downward and the U-Joint starts to hit the inside of the U-Joint ball/bell housing.
U-Joint Illustration and Assorted Parts Here is a
GM film Strip (Starts on picture 35), about repairing the ball housing and the end of the torque tube.
Because of down force wearing them out.
This when the U-Joint starts to hit the inside of the U-Joint ball/bell housing.