Finally have all the parts to reassemble the 1990's tailshaft housing. Have consulted the FAQ about the orientation of the tailshaft bushing hole when pressing the new one in. Frankly, I'm not so sure that I believe the proper orientation of the bushing is with the hole at the top, especially NOT with the hole avoiding either hole in the tailshaft housing (see the last entry in the FAQ about the AW-71, by Patrick Patrella).

My old one was in there pretty much as shown in the photo in the FAQ section. BUT, mine was also worn to bits, and the hole was clogged up with metal particles that were packed in there tight. The bushing was so worn so badly that the grooves in it has disappeared The cylindrical part of the companion flange, the part that rides in the bushing, was worn down (asymmetrically) about 1/16 of an inch! The transmission was relatively new, having been replaced about 75,000 miles ago, in 2004 (by the PO) and the replacement was done by a Volvo dealer using a Volvo supplied transmission (I have the receipt=$$$$$$$).

My point is that given the damaged condition of my bushing and companion flange shaft, I can not just conclude that the hole was in the proper orientation. In fact, given the severe wear in just 75,000 miles, it seems safer to conclude that the bushing may have been in the wrong orientation.

More to come, but I'm typing this on a laptop, and the keyboard is driving me crazy. I'll remove this line when I finish up on my desktop. Meanwhile, feel free to comment anyway.
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1955 Human, Scott; 1991 745 Turbo, Thunderbolt; 1990 745GL, Posideon