Xterra 2WD L4-2.4L (KA24DE) (2003)
3. Insert the "D" ring cleaning wire under the seat belt; between the belt and the "D" ring (see Figure 3).
^ The "D" ring cleaning wire is provided in the kit that's listed in
the Parts Information.
4. Pull the wire back and forth across the surface of the "D" ring.
^ Make sure all residue is removed from the "D" ring in all areas where it contacts the seat belt
NOTE:
^ It is very important to remove all residue build-up from the "D" ring.
^ If you don't remove all residue build-up, the fluorine resin tape won't stick properly.