Chevrolet 1980 Light Duty Truck Service Manual page 161

Fig. 2 D - 1 0 1 ~ W in d s h ie ld Glass
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 W indshield 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 2D-102.
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 2D-102.
Do not strike glass against body metal.
NOTICE:
Chipped edges on the glass can lead to future breaks.
APPLY
LUBRICANT
5. With the windshield supported and centered in its
opening, check the relationship of the
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
satisfactory proceed as follows:
Installation
Installation procedure is same as procedure used for
CK models, with the exception of the steps relating to
urethane adhesive. Refer to "CK Truck Windshield
Replacement" found earlier in this section.
CHECKING BLOCKS
Fig. 2 D -1 0 2 ~ C h e c k in g W in ds hie ld Opening
windshield in
BODY 2D-41
to the body
glass
its opening and if
LIG H T T R U C K SER V IC E MANUAL