Important: Before cutting out a stationary window, apply a double layer of masking
tape around the perimeter of the painted surfaces and inner trim of the window.
- Open the hood.
- Remove the windshield wiper arms. Refer to
Windshield Wiper Arm Replacement
in Wipers/Washer Systems.
- Remove the air inlet grille. Refer to
Air Inlet Grille Panel Replacement
in Body Front End.
- Remove the door sealing weather strip from the upper pinchweld
flange.
- Remove the windshield side reveal moldings. Refer to
Windshield Side Reveal Molding Replacement
.
- Remove the rain sensor. Refer to
Windshield Outside Moisture Sensor Replacement
in Wipers/Washer Systems.
- Remove the rearview mirror. Refer to
Inside Rearview Mirror Replacement
.
- Remove the instrument panel upper trim pad. Refer to
Instrument Panel Upper Trim Pad Replacement
in Instrument
Panel, Gauges and Console.
Caution: If broken glass falls into the defroster outlets, it can be blown into
the passenger compartment and cause personal injury.
- Cover the defroster openings.
Caution: When working with any type of glass or sheet metal with exposed or rough
edges, wear approved safety glasses and gloves in order to reduce
the chance of personal injury.
- Use safety glasses and gloves.
Important: The windshield reveal molding fills the cavity between the body and
the windshield.
The reveal moldings must be replaced if stretched or damaged.
- Using a sharp utility knife, make a preliminary cut around the perimeter
of the windshield. Cut as close to the edge of the windshield as possible.
- Remove the lower windshield supports (1) from the cowl panel
if equipped.
Important: Keep the cutting edge of the tool against the windshield. This will
allow the urethane adhesive to be separated from the windshield and leave
a base of urethane on the pinchweld flange. The only suitable lubrication
is clear water.
- Use the J 24402-A
or J 39032
in order to
remove the windshield.
- Push out on the upper portion of the windshield and insert wooden
blocks between the windshield and the front body hinge pillars.
- From the inside of the vehicle, using a sharp utility knife, cut
the lower urethane adhesive bead from the pinchweld flange.
- With the aid of an assistant,
use suctions cups in order to lift the windshield from the opening.
- Verify all primers and urethane adhesive are within expiration
dates.
Caution: When replacing stationary windows, use Urethane Adhesive Kit GM P/N 12346392
(Canadian P/N 10952983), or a urethane adhesive system meeting GM Specification
GM3651G, to maintain original installation integrity. Failure to use the urethane
adhesive kit will result in poor retention of the window which may allow unrestrained
occupants to be ejected from the vehicle resulting in personal injury.
- Inspect the following components for the cause of a broken windshield:
• | The flange of the windshield opening. |
• | The windshield reveal molding. |
- Inspect for any of the following conditions in order to prevent
future breakage of the windshield:
• | Hardened spot weld sealer |
• | Any other obstruction or irregularity in the pinchweld flange |
Important: If corrosion of the pinchweld flange is present, or if sheet metal repairs
or replacements are required, the pinchweld flange must be refinished in order
to restore the bonding area strength.
- If paint repairs are required, mask the flange bonding area prior to
applying the color coat in order to provide a clean primer only surface. Materials
such as BASF DE17 ®, DuPont 2610 ®, Sherwin-Williams
PSE 4600 and NP70 ® and Martin-Semour
5120 and 5130 ® products are approved for this
application.
- After repairing the opening as indicated, perform the following
steps:
5.2. | Remove no more of the urethane adhesive than necessary in order
to maintain the original shape. This will ensure the proper clearance between
the windshield and the pinchweld flange. |
5.3. | Remove all traces of broken glass from the outer cowl panel, seats,
floor and defroster ducts. |
5.4. | Clean around the edge of the inside surface of the windshield
with a 50/50 mixture of isopropyl alcohol and water by volume on a dampened
lint free cloth. |
- After repairing the opening as indicated, shake the pinchweld
primer (black #3) for at least one minute.
Caution: Failure to prep the area prior to the application of primer
may cause insufficient bonding of urethane adhesive. Insufficient bonding
of urethane adhesive may allow unrestrained occupants to be ejected from
the vehicle resulting in personal injury.
- Use a new dauber to apply
the pinchweld primer (black #3) to the surface (1) of the bonding area
on the body only.
- Allow the primer to dry for approximately 10 minutes, Ensure that
all nicks and scratches are covered.
- Install the lower windshield supports (1) to the cowl panel,
if equipped.
- Install a new acoustic strip, if necessary.
- Install a new windshield upper reveal molding. Refer to
Windshield Upper Reveal Molding Replacement
.
- With the aid of an assistant,
dry fit the windshield in the opening in order to determine the correct position
of the windshield in the opening.
- Use masking tape (1,2)
in order to mark the location of the windshield in the opening.
- Slit the masking tape at the edge of the windshield.
- With the aid of an assistant
and using the suction cups, remove the windshield from the opening.
- Place the windshield inside up on a clean, protected surface.
Important: Do not remove all traces of the adhesive. Remove all mounds or loose
pieces of urethane adhesive.
- If the original windshield is to be reused, remove all but a thin film
of the existing urethane adhesive from the windshield surface by using a utility
knife or razor blade scraper.
- If the extended method is being used, remove all but approximately
2 mm (5/64 in) of the existing bead of adhesive from
the pinchweld flange.
- Clean around the inside surface of the windshield with a 50/50 mixture
of isopropyl alcohol and water, by volume, using a lint free cloth.
Important: Do not apply the (black #3) primer to the existing bead of the
urethane adhesive. Apply the primer only to nicks, scratches or the primed
surfaces.
- Shake the pinchweld primer (black #3) for at least one minute.
- Use a new dauber to apply the primer to the surface of the pinchweld
flange.
- Allow the pinchweld primer to dry for approximately 10
minutes.
Important: Use care when applying the glass prep (clear #1) to the windshield.
This primer dries almost instantly, and may stain the viewing area of the
windshield if not applied evenly.
- Use a new dauber in order to apply glass prep (clear #1) to the
area approximately 10 mm to l6 mm (3/8 in to 5/8 in).
around the entire perimeter of the window inner surface.
- Apply a second coat of the glass prep (clear #1) to the
same area of the glass.
- Wipe the glass primed area immediately with a clean lint free
cloth.
- Shake the glass primer
(black #2) for at least one minute.
- Use a new dauber in order to apply the glass primer (black #2)
to the same areas (2) that the glass prep (clear #1) was
applied.
The glass primer (black #2) is good up to 8 hours after applying
it to the glass (1). The primed surface of the glass (2) must
be kept clean.
- Allow the glass primer to dry for approximately 10 minutes.
- Cut the tip of the applicator
nozzle as follows:
29.1. | If using the short method, cut the tip of the applicator nozzle
in order to provide a bead of 6.0 mm (1/4 in). |
29.2. | If using the extended method, cut the tip of the applicator nozzle
in order to provide a bead of 12.7 mm (1/2 in) wide and 12.7 mm
(1/2 in ) high. |
- Use a cartridge type caulking
gun to apply a smooth, continuous bead of urethane adhesive.
- When using the short method, apply the urethane adhesive to the
existing bead of urethane adhesive to the body.
- When using the extended
method, use the edge of the windshield, or the inside edge of the reveal molding
as a guide for the nozzle in order to apply the urethane adhesive (1)
to the inner surface of the windshield (3).
If applying urethane adhesive to the inside edge of the windshield reveal
molding (2), use the windshield reveal molding as a guide for the nozzle.
- Place the windshield on
the lower supports.
- With the aid of an assistant,
use suction cups in order to install the windshield in the opening.
- Align the tape on the
windshield and the body (1, 2).
- Press the windshield firmly into place.
- Tape the windshield to
the body in order to minimize movement, until the urethane adhesive cures.
- Clean any excess urethane adhesive from
the body.
Important: Do not direct a hard stream of high pressure water to the freshly applied
urethane adhesive.
- Use a soft spray of warm water in order to watertest the windshield
immediately.
- Inspect the windshield for leaks.
- If any leaks are found, use a plastic paddle in order to apply
extra urethane adhesive at the leak point.
- Retest the windshield for leaks.
Caution: Insufficient curing of urethane adhesive may allow unrestrained occupants
to be ejected from the vehicle resulting in personal injury.
• | For the moisture-curing type of urethane adhesive, allow a minimum
of 6 hours at 21°C (70°F) or greater and with at least 30 percent
relative humidity. Allow at least 24 hours for the complete curing
of the urethane adhesive. |
• | For the chemical-curing type of urethane adhesive, allow a minimum
of 1 hour . |
Do NOT physically disturb the repair area until after these minimum
times have elapsed.
- The following conditions must be maintained to properly cure the urethane.
• | Partially lower a door window in order to prevent pressure buildups
when closing the doors before the urethane adhesive cures. |
• | Do not drive the vehicle until the urethane adhesive is cured.
Refer to the above curing times. |
• | Do not use compressed air in order to dry the urethane adhesive. |
- Remove the protective covering from the defroster ducts.
- Install the instrument panel upper trim pad. Refer to
Instrument Panel Upper Trim Pad Replacement
in Instrument
Panel, Gauges and Console.
- Install the rearview mirror. Refer to
Inside Rearview Mirror Replacement
- Install the rain sensor. Refer to
Windshield Outside Moisture Sensor Replacement
in Wipers/Washer Systems.
- Install the windshield side reveal moldings. Refer to
Windshield Side Reveal Molding Replacement
.
- Install the door sealing weather strip.
- Install the air inlet grille. Refer to
Air Inlet Grille Panel Replacement
in Body Front End.
- Install the windshield wipers arms. Refer to
Windshield Wiper Arm Replacement
in Wipers/Washer Systems.
- Remove the protective tape from the painted surfaces and headliner.
- Close the hood.