TrailBlazer 4WD L6-4.2L VIN S (2002)
21.
Remove the four push-in fasteners that attach the seat back panel to the seat back frame.
22.
Remove the seat belt from the upper retractor bracket by sliding it through the slot.
23.
Remove the bolt (1) attaching the upper seat belt bracket to the seat frame.
24.
Remove the push-in fastener (2) from the retractor.
25.
Remove the lower retractor bolt from the retractor.