Chevrolet 1980 Light Duty Truck Service Manual page 164

2D -44 BODY
Fig. 2D -10 9 -V e n tila to r Assem bly
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. Make certain the rubber lip is positioned before
tightening screws.
3. Slide door glass forward engaging glass in vent
channel.
Fig. 2D-1 10--Removing V e n tila to r
Fig. 2D-1 1 1 -A d ju s tin g V e n tila to r Tension
4. Reinstall all screws and tighten.
5. Install and tighten the three screws at the upper
front of the door.
Adjustment
1. Adjust the ventilator adjusting nut by turning
clockwise to increase operating tension, as shown in figure
2D-111.
2. After making adjustment bend tabs over the hex
nut.
3. Install trim panel.
4. Install door and window regulator handles.
DOOR W IN D O W ASSEM BLY
Replacement
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.
4. Remove ventilator assembly as previously outlined.
5. Raise window until regulator arms are level with
access hole in door.
6. Slide glass forward until front roller is in line with
notch in sash channel. Disengage roller from channel. See
figure 2D-112.
7. Push window forward and tilt front portion of
window up until rear roller is disengaged.
8. Put window assembly in normal position (level) and
raise straight up and out.
9. Reverse above procedure for installation.
W IN D O W REGULATOR - M A N U A L
Replacement
1. Wind window all the way up.
2. Remove inside door handles with Tool J-7797.
3. Remove door trim pad.
4. Remove screws securing regulator to inner panel.
5. Push regulator out of door opening while holding
rear of assembly, then slide assembly to the notches in the
carrier channel and out through the door access hole.
6. Install regulator in reverse order of removal,
lubricate regulator gears with lubriplate or equivalent.
LIG H T T R U C K SER V IC E M AN UAL