Chevrolet 1977 light duty truck Service Manual page 177

Fig. 2D-116--Hinge Cover
4. Adjust front o f door in or out, then tighten bolts
to specifications.
5. Adjust door hold open catch bracket, rear wedge
assembly, rear latch striker, upper front roller and front
latch striker as outlined later in "Adjustm ents".
Fore and Aft
Fore and aft adjustm ent is provided at the upper
r e a r hinge striker by means o f a slotted bracket mounted
to the body, view A o f figure 2 D - 1 15.
1. Partially open door and remove front latch
striker and rear lock striker.
2. Loosen rear wedge assembly.
3. Remove upper rear track cover.
4. Loosen upper rear hinge striker.
5. Move door assembly forward or rearward, then
tighten striker bolts to specifications.
6. Reinstall upper rear track cover.
7. Reinstall front and rear latch strikers.
8. Adjust latch strikers and rear wedge assembly as
outlined below.
Latch Striker Adjustments
Front Striker
1. Loosen front latch striker screws, view C of
figure 2 D - 1 15.
2. Visually align latch-to-striker relationship and
adjust i f necessary.
3. Slide door slowly toward striker. The guide on
the door, just above the latch, must fit snugly within the
rubber-lined opening on the striker assembly.
4. Assure that the latch engages fully into the
striker. Add or delete shims behind
necessary.
5. Tighten striker screws to specified torque.
Rear Striker
1. Loosen striker with J-23457.
2. Loosen rear wedge assembly.
3.
opening.
4.
to the body panel surfaces, view E o f figure 2 D - 1 16.
5.
6.
contacts the striker enough to make an impression in the
grease.
7.
the rear of the striker head to the impression. The
distance should be between .20 inch and .30 inch. Refer
to view E of figure 2 D - 1 15.
8.
shims between the striker and the pillar.
9.
this section, and torque all fasteners to specifications.
Upper Rear Hinge-To-Striker Adjustment
CAUTION: I f door has been removed and is
being reinstalled, adjust striker-to-lower hinge
lever before closing door. Failure to do so m ay
cause possible lever breakage.
The upper rear hinge must be positioned as shown
in view A o f figure 2D-116, in order to insure proper
latching.
1.
least .06 inch above the lower edge o f the striker tang.
2.
outboard o f the striker tang. A dd or delete shims
between the striker and the body as necessary.
3.
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-117. The catch engages a striker installed at
the rear o f the lower roller channel, view D of figure 2D-
115.
1.
bracket to bottom o f door.
2.
the bracket laterally. Catch should fully engage striker.
Rear Wedge Assembly Adjustment
1.
the body pillar, then close the door to the fully latched
the striker as
position.
2.
as shown in figure 2 D - 1 18, and scribe a line around the
wedge assembly.
3.
3/16 inch.
Center the striker vertically to door striker
Adjust the striker laterally to match outer panel
Apply grease to the striker.
Gently push the door in until the rear lock
Open the door and measure the distance from
Adjust position of striker by a dding or deleting
Adjust rear wedge assembly as outlined later in
The hinge lower lever must contact the striker at
The lower lever must extend at least .10 inch
If necessary to shim roller away from guide,
Loosen the screws retaining
Adjust catch-to-striker engagem ent by sliding
Loosen screws attaching rear wedge assembly to
Center the wedge assembly on the door wedge,
Open the door, and move the wedge assembly
the catch rod