WARNING: This page is about a different car, the 2005 Dodge Stratus and 2005 Chrysler Sebring. However, it is still accessible from the selected car via links, so may be relevant.
Wrap plastic tape around the spline part on the BJ assembly so that the TJ boot is not damaged when they are removed.
Fig 1: Wrapping Plastic Tape Around Spline Part On BJ Assembly