Chevrolet 10 Series 1968, Service Manual

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BODY IB-28
SERVICE OPERATIONS
WINDSHIELD GLASS
The Conventional Cab Windshield Service Procedure
applies to the Chevy Van. Further information are the
six 5742-01 spacers used for windshield opening checking.
Conventional windshield installation is expanded to in­
clude:
Apply a minimum of 1/32” thickness of sealer between
the glass and the outer wall of weatherstrip completely
around the perimeter of glass (fig. 66).
Apply medium bodied sealer to the flat of the wind­
shield opening rabbet along the entire length of the pillar
side and extending for approximately 5 inches beyond the
upper and lower corner.
Apply medium bodied sealer to the base of the weather­
strip rabbet channel along the entire perimeter of the
weatherstrip.
NOTE:
After applying sealer, insert a pointed
tool through the weep holes at each end of wind­
shield channel to make sure holes are open.
SIDE W IN D O W -SW IN G OUT
Replacement (Fig. 67)
1. Latch:
Remove 2 screws on jamb and a pin at frame at­
tachment.
2. Frame:
Remove 4 screws on hinge to jamb plus 2 latch
screws.
3. Weatherstrip - Inner or Outer:
Removal of the window frame is necessary for
weatherstrip replacement.
SIDE AND REAR STATIONARY GLASS
See Rear Window Weatherstrip - Conventional Cab.
WINDSHIELD WIPERS
A single wiper motor unit, mounted off center in the
plenum chamber, powers both wiper blades. The wiper
blade operating link rods and pivot mountings on these
models are located on the outside air inlet plenum cham­
ber. Wiper motor is controlled by switch marked ’’wiper”
on dash. Wiper motor service operations are outlined in
Section 12.
Arm Adjustment
To adjust sweep of blades, turn on wipers and note
sweep of arms. If necessary, remove one or both arms
as follows: Pull outer end of arm away from glass which
will trip lock spring at base of arm and release spring
from undercut of pivot shaft. While holding arm in this
position, pull outward on cap section at base of arm to
remove arm. Align serrations on pivot shaft and in arm
cap with arm in position to obtain satisfactory sweep and
press cap onto shaft.
WINDSHIELD WIPER TRANSMISSIONS
AND LINKAGE
Removal (Right and Left Side)
CA U TIO N :
As a safety precaution, disconnect
battery ground cable before working under in­
strument panel.
1. Remove windshield wiper arms from pivot shafts.
A tool is available for removing the arms. See
above procedure for ’’Arm Adjustment” .
2. Remove radio, if so equipped.
3. Remove the heater distributor and duct outlet assem­
blies (fig. 68) as outlined in Section 13.
4. Remove the two nuts attaching the short link to the
motor under dash.
5. Disconnect two screws securing each of the two
(right and left side) pivot shafts.
6. Disengage the pivot shafts, gaskets and linkage and
remove from vehicle (fig. 69).
Installation
1. Connect the transmission and linkage assembly as a
unit and install with screws under dash with gaskets
in place.
2. Connect the short link to the motor and install the
nuts.
F ig . 66 - W indshield G lass and Sealer (Typ ical) F ig . 67 - Side Window - S w in g -O u t
CHEVROLET TRUCK SERVICE MANUAL