Chevrolet Light Duty Truck 1973 Service Manual page 153

•APPLY
SEALER
Fig. 7G—Windshield Glass
Mask around the windshield opening and outside,
lay a suitable covering across the hood and fenders.
NOTE: The windshield glass rubber weather­
strip is one piece. The glass is held in a
channel within the weatherstrip.
2. Do not try to remove reveal moldings while
windshield is in body opening. Remove reveal
molding from custom weatherstrip retention groove
after windshield is removed from body opening.
3. To free windshield rubber channel of weatherstrip
loosen the lip of the windshield weatherstrip from
the pinchweld flange along the top and at the sides
by applying firm, controlled pressure to the edge of
the glass. At the same time assist the lip of the
rubber weatherstrip channel over the pinchweld
flange with a flat bladed tool.
Checking Windshield Opening
Due to the expanse and contour of the windshield it is
imperative in the event of a stress crack that the
windshield opening be thoroughly checked before
installing a replacement windshield. The replacement
glass is used as a template.
1. Check for the following conditions at the previously
marked point of fracture.
a. Chipped edges on glass.
b. Irregularities in body opening.
c. Irregularities in rubber channel weatherstrip.
2. Remove all sealer from flange and body around
windshield opening.
3. Check flange area for solder, weld high spots, or
hardened spot-weld sealer. Remove all high spots.
4. Check windshield glass to opening, by supporting
glass with six spacers contained in packet J-22577,
as shown in figure 8G.
Do not strike glass against body
CAUTION:
metal. Chipped edges on the glass can lead to
future breaks.
NOTE: It is necessary to modify the spacers
by cutting off 3/16" from the back of the
spacer with a knife, as shown in figure 8G.
5. With the windshield supported and centered in its
opening, check the relationship of the glass to the
body opening flange around the entire perimeter of
the glass.
6. Check the relationship of glass to opening as
follows:
a. Inside edge of glass to body flange.
b. Outer edge of glass to parallel body metal.
7. Mark areas of body metal or flange to be reformed,
remove glass and correct as necessary.
8. Recheck windshield in its opening and if satisfac­
tory proceed as follows:
Installation
1. Apply sealer to weatherstrip and install on glass.
2. Install a cord around periphery of weatherstrip,
leaving a loop at the top and the loose ends at the
bottom. See figure 9G.
3. Place protective covering over plenum grille, front
fenders and hood.
4. Place windshield and weatherstrip assembly in
opening. With one technician lightly pushing in on
windshield, another technician within the cab
should pull on the cord as follows:
CHECKING BLOCKS
Fig. 8G—Checking Windshield Opening
BODY I B - 3 3
LIGHT DUTY TRUCK SERVICE MANUAL