GMC 1982 Light Duty Truck Service Manual page 215

Fig. 2D-122-Hinge Cover
view A of figure 2D-121, in order to insure proper latching.
1. The hinge lower lever must contact the striker at least
.06 inch above the lower edge of the striker tang.
2. The lower lever must extend at least .10 inch (2.5mm)
ou tb oard of the striker tang. Add or delete shims
between the striker and the body as necessary.
3. If necessary to shim roller away from guide, shims are
added between the nylon block and hinge and between
roller and hinge. They must be installed in pairs. For
example, if one shim is added behind the nylon block
another must be added behind the roller.
Door Hold-Open Catch Adjustment
This catch, mounted on the lower front roller bracket,
holds the door in the full open position. See figure 2D-123.
The catch engages a striker installed at the rear of the lower
roller channel, view D of figure 2D-121.
1. Loosen the screws retaining the catch rod bracket to
bottom of door.
Fig. 2D-123-Hold-Open Catch
2. Adjust c atch-to-striker engagem ent by sliding the
bracket laterally. Catch should fully engage striker.
Rear Wedge Assembly Adjustment
1. Loosen screws attaching rear wedge assembly to the
body pillar, then close the door to the fully latched
position.
2. Center the wedge assembly on the door wedge, as
shown in figure 2D-124, and scribe a line around the
wedge assembly.
3. Open the door, and move the wedge assembly 3/16
inch.
FRONT LATCH ASSEMBLY
Rem oval
1. Remove trim panel, if so equipped.
2. Remove access cover.
3. Unscrew door lock knob from rod.
4. Disconnect the following rods from latch, shown in
figure 2D-125.
a. Rear latch rods.
b. Lock cylinder rod.
c. Door lock rod.
5. Remove door handle.
6. Remove screws retaining latch assembly to door.
7. Slide latch rearward and lift front of latch. Disconnect
rod leading to lower hinge door catch by pushing rod
out of hole and rotating rod clear of latch.
8. Remove latch assembly from door.
Installation
1. Install latch assembly into door by working latch
assembly behind the lower hinge door catch.
2. Connect lower hinge door catch, lock cylinder rod, door
lock rod, and both rear latch rods.
3. Install latch assembly-to-door a tta c hing screws.
Torque to specifications.
4. Install door lock knob and door handle.
5. Install access cover and trim panel.
Fig. 2D-124-Adjusting the Rear Wedge Assembly
BODY 2D-53