GMC 1982 Light Duty Truck Service Manual page 191

LAP BELTS AND SHOULDER BELTS (ALL MODELS)
Before servicing or replacing lap and shoulder belts,
including single loop belt systems, refer to the following
precautionary items:
1. Lap and shoulder belts will be serviced as follows:
a. All belts will be serviced in complete sets.
b. Do not intermix standard and deluxe belts on front or
rear seats.
2. Keep sharp edges and damaging objects away from
belts.
3. Avoid bending or damaging any portion of the belt
buckle or latch plate.
4. Do not bleach or dye belt or strap webbing (clean with a
mild soap solution and water).
5. W hen installing lap or shoulder belt anchor bolt, start
bolt by hand to assure that bolt is threaded straight.
6. Do not attem pt repairs on lap or shoulder belt retractor
mechanism s or lap belt re tra c to r covers. Replace
defective assemblies with new service replacem ent
parts.
7. Do not attem pt to remove seat belt retractor cover. The
cover and the long rivet securing the cover to the
retractor are not available as service replacement parts.
Fig. 2D-79--Folding Top Assembly
The shoulder belts and lap belts are attached to the
front seat lap belt latch plate and connected to an inertia
locking retractor installed to the floor or quarter inner panel
above the right and left side of the front seat. The belts
remain unlocked to allow occupants to move freely while the
vehicle is being operated. When the vehicle decelerates or
changes direction abruptly, the belts are locked in position
by a pendulum th at causes a locking bar to engage a cog of
the retractor mechanism.
Removal and Installation
Refer to illustrations on following pages and select the
appropriate illustration for removing and installing lap belts
and shoulder belts.
Internal drive thread-forming anchor bolts are used to
secure lap belts to the floor pan. To remove or install internal
drive anchor bolts, use door lock striker and lap belt anchor
bolt removal tool J-23457 or equivalent. S ta rt bolt by hand
to assure that bolt is threaded straight.
Typical Seat Mounting provisions are shown in figures
2D-83 through 2D-89.
NOTICE:
regarding fasteners used on seats and seat belts.
IN V E H IC L E
SEAT MOUNTING
See N O T I C E on page 1 of this section
BODY 2D-29