Overtighten the bolt... what bolt? The "retaining" clasp on the passenger side CV shaft? the Nut you use gets tighten down to 170+ foot Lbs... It take a LOT of work to over-tighten the nut.
2001 ZX3 2.0L Zetec-
Hatch Nation #42
Going through Rebuild See "The TICK Build Thread" for details (http://www.focusfanatics.com/forum/showthread.php?t=289168&referrerid=62897)