GMC 1982 Light Duty Truck Service Manual page 208

2D-46 BODY
Fig. 2D-113--Channel, Run and Ventilator Assembly
DOOR VENTILATOR ASSEM BLY
Rem oval
The channel between the door window glass and door
vent is removed as part of the vent assembly.
1. R egulate the door window glass to the full down
position.
2. Remove door and window handles with Tool J-9886-01.
3. Remove trim panel and water shields.
4. Remove rear window run channel screws.
5. Slide door window
ventilator.
6. Remove three screws at the upper front of the door and
lower forward channel screw, as shown in figure 2D-
113.
7. Pull the upper portion of the ventilator rearward.
8. Turn the vent assembly 90° and carefully remove by
guiding up and out, as shown in figure 2D-114.
V e n tilato r Glass R eplacem ent
1. Using an oil can or similar means, squirt prepsol on the
glass filler all around the glass channel or frame to
soften the old seal. When the seal has softened, remove
the glass from the channel.
2. Thoroughly clean the inside of the glass channel with
sandpaper, removing all rust, etc.
3. Using new glass channel filler, cut the piece to be
installed two inches longer than necessary for the
channel. Place this piece of filler (soapstoned side of
glass rearw ard away from
filler away from glass) evenly over the edge of the glass
which will fit in the channel. The extra filler extending
beyond the rear edge of the glass should be pinched
together to hold it in place during glass installation.
One side of this filler (the outside of the roll) is
soapstoned. This is the side which goes into the metal
channel.
4. Brush the inside of the metal glass channel freely with
ordinary engine oil. This will enable the glass and filler
to slide freely into the channel.
Glass should be installed so that rear edge is parallel to
the division post. Allow full cure before water testing.
Installation
Replace the door window glass and regulate to the full
down position before installing the door ventilator assembly.
1. Lower the ventilator assembly into the door frame.
Center into position.
2. M ake certain the rubber lip is positioned before
tightening screws.
3. Slide door glass forward engaging glass in vent
channel.
4. Reinstall all screws and tighten.
5. Install and tighten the three screws at the upper front
of the door.
A djustm en t
1. A djust the ventilator adjusting
clockwise to increase operating tension, as shown in
figure 2 D -1 15.
2. After making adjustment bend tabs over the hex nut.
3. Install trim panel.
4. Install door and window regulator handles.
DOOR WINDOW ASSEMBLY
R eplacem ent
1. Completely lower glass to bottom of door.
2. Remove door arm rest, trim pad and water shields.
3. Mask or cover upper portion of door window frame.
Fig. 2D-114--Removing Ventilator
nut by turning