Chevrolet 1977 light duty truck, Service Manual

Page: 175 / 861

Installation
1. T ra n s fe r remote rod with clip to new lock.
2. Connect rem ote d oor handle rod to lock a fte r
lock is positioned.
3. Secure lock screws.
SLIDING
D E S C R IP T IO N
T h e weight o f the sliding side door is supported by
the u p p e r r e a r hinge-and-roller assembly, and by the
lower front catch-and-roller assembly. The front and
re a r latches retain the door in the locked position, while
the r e a r wedge assembly restricts door vibration on
rough road surfaces.
A D J U S T M E N T S
C A U T IO N :
See C A U T IO N on page 1 o f this
section regarding all sliding door fasteners and
adjustm ents fo u n d below.
T h e side door can be adjusted for alignm ent a n d / o r
clearance in the body o p en in g an d for p ro p er latching.
W h e n properly positioned in the body opening, the door
should have equal clearances a round its perim eter.
A djustm ents for door positioning and p ro p er latching
can be m ade at the locations shown in figure 2 D - 1 15.
Up and Down
U p and down adjustm ents are provided by means o f
slotted holes located at the upp er front roller, view B o f
figure 2D-112; at the lower fro n t catch-and-roller, view
D; and at the upp er rear hinge-and-roller assembly, view
A. To reposition the door up or down:
1. Partially open d oor and loosen front latch
striker on pillar.
4. Secure rem ote handle.
5. Check all controls for p roper o peration before
reinstalling trim and handles.
6. Install rem ote control sill knob.
RE M O TE C O N T R O L AND C O N N E C T IN G
ROD -Fig. 2 D -113
Replacement
1. Raise door window and remove door trim pad.
2. Remove bolts securing rem ote control to door
inner panel.
3. Pivot rem ote inboard slightly, to disengage
connecting rod, and remove remote control from door.
NOTE: Connecting rod can be removed at this
point by disconnecting spring clip from lock.
4. To install, reverse removal procedure.
LOCK CYLINDER ASSEMBLY--FIG. 2D -114
Replacement
1. Raise door window and remove door trim pad.
2. With a screwdriver, or other suitable tool, slide
lock cylinder retain in g clip (on d oor outer panel) out o f
engagem ent and remove lock cylinder.
3. To install, reverse removal procedure.
SIDE DOOR
2. Remove u p p e r rear hinge cover, shown in figure
2 D - 1 16.
3. Loosen upper rear hinge-to-door bolts.
4. Loosen re a r lock striker and door wedge
assembly.
5. Align rear edge o f door up or down, then
tighten upper rear hinge-to-door bolts to specifications.
6. Loosen upp er front roller bracket-to-door bolts.
7. Partially close door and align fro n t edge o f door
up or down by loosening front lower hinge-to-door bolts.
W hen door is correctly positioned, tighten bolts to
specifications.
8. Position u p p e r front roller in center o f track,
then tighten roller bracket to door.
9. Adjust front and rear strikers and re a r wedge
assembly as outlined in their respective procedures later
in this section.
In and Out
F ro n t in and out adjustm ents are provided by means
o f an adjustable lower roller m ounting bracket, view D
o f figure 2D-115. and by a slotted upper bracket, view B
o f figure 2 D - 1 15. R e a r in and out adjustm ent is provided
by adjusting the rear latch striker, view E o f figure 2D-
115. To position the door in or out:
1. Loosen front latch striker.
2. Loosen upp er front roller from its bracket.
3. Loosen lower front roller bracket-to-arm bolts.