Removal Procedure
Tools Required
• | J 24402-A Glass
Sealant (Cold Knife) Remover |
• | J 39032 Stationary
Glass Removal Tool |
• | Ispropyl alcohol or equivalent |
• | Cartridge-type caulking gun |
• | Commercial-type utility knife |
- Apply masking tape to the painted surfaces around the stationary
window in order to prevent paint damage.
- Remove the rear quarter trim panel. Refer to
Rear Quarter Trim Panel Replacement
in
Interior Trim.
Important: Keep the cutting edge of the tool against the window when removing.
This will allow the urethane adhesive to be separated from the window and
leave a base of urethane on the pinchweld flange. The only suitable
lubrication is clear water.
- Use the J 24402-A
orJ 39032
tool in order to cut the
window from the pinchweld flange. Do this from inside the vehicle to protect
the outer surface of the paint.
- Remove the stationary window from the vehicle with the aid of
an assistant.
- Look for any of the following problems in order to help prevent
future breakage of the window:
• | 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. Using
materials such as BASF DE17 ®, DuPont 2610 ®,
Sherwin-Williams PSE 4600 and NP70 ® and Martin-Senour
5120 and 5130 ® products are approved for this application.
After repairing the opening as indicated, perform the following steps:
- Inspect the condition of the windshield opening and the adhesives
bead to determine which installation method should be used. Refer to
Short Method Description
short
method or
Extended Method Description
extended method for guidelines.
- Remove no more of the urethane adhesive than necessary in order
to maintain the original shape. This will ensure the proper clearance between
the window and the pinchweld flange.
- Clean around the edge of the inside surface of the glass with
one of the following cleaners:
• | GM Glass Cleaner P/N 1050427 |
• | A clean isopropyl alcohol dampened cloth |
Installation Procedure
After repairing the opening as indicated, perform the following:
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.
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.
- Shake the pinchweld primer (black #3) for at least one
minute.
- Use a new dauber to apply
the pinchweld primed (black #3) to the surface of the bonding area.
- Allow the primer to dry for approximately 10 minutes, also check
to ensure that all nicks and scratches are covered.
- With the aid of an assistant,
dry fit the stationary window into the opening.
- Install the reveal molding to the edge of the stationary window.
If the original reveal molding is damaged it must be replaced.
- Use masking tape in order to mark the location of the stationary
window in the opening.
- Slit the masking tape at the top edge of the stationary window.
- Remove the stationary
window from the opening.
- Place the stationary window inside up on a clean, protected surface.
- If using the original window, remove all but approximately 2
mm (3/64 in.) the existing urethane adhesive from the window
surface by using a clean utility knife or razor blade scraper.
- Clean the inside surface of the stationary window with GM Glass
Cleaner P/N 1050427 or equivalent.
- If the extended method is being used remove all but approximately
2 mm (3/64 in) of the existing bead of adhesive from the pinchweld
flange.
Important: Do not remove all traces of the adhesive. Remove all mounds or loose
pieces of urethane adhesive .
- 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 glass primer to dry for approximately 10 minutes.
Important: Use the following procedure:
- Use care when applying the stationary window prep (clear #1)
in order to prevent the stationary window preparation from running into the
vision area of the stationary window. This primer dries almost
instantly and may stain the viewing area of the stationary window.
- If installing a new non
encapsulated window:
17.1. | Use a new dauber, to apply the stationary window prep ( clear #3)
approximately 10 mm to 16 mm (3/8 in. to 5/8 in). around the
entire perimeter of the window inner surface. |
17.2. | Apply stationary window prep (clear #1) to any exposed
edges of the window. |
17.3. | Wipe the glass primed area immediately with a clean lint free
cloth. |
17.4. | Shake the glass primer (black #2) for at least one minute. |
- If installing a new encapsulated window:
Use a new dauber, in order to apply the window prep (clear #2)
to the area approximately 10 mm to 16 mm (3/8 in to 5/8 in). around
the entire perimeter of the glass inner surface of the primer/bonding
areas). The primer is good up to 8 hours after applying it to the glass.
The primed surface of the glass must be kept clean.
- Allow the glass primer to dry for approximately 10 minutes.
- Shake the stationary window
primer (#2 black) well.
20.1. | Use a new dauber in order to apply the stationary window primer
(black #2) to the areas of the stationary window (1) to which prep
(clear #1) was applied. |
20.2. | Allow the primer to dry for approximately 10 minutes. |
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.
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.
- 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).
- If using the extended
method, cut the applicator nozzle in order to provide a bead 10.5 mm (0.14
in.) wide and 10.5 mm (0.14 in.) high.
- Use a cartridge type caulking
gun to apply a smooth, continuous bead of urethane adhesive around the edge
of the stationary window where the primer was applied.
- When using the short method, apply the urethane adhesive to the
existing bead of urethane adhesive on the body.
- When using the extended
method, use the edge of the stationary window or the inside edge of the reveal
molding as a guide for the nozzle in order to apply the (2) urethane
adhesive to the inner surface of the (3) stationary window.
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.
Caution: At least 24 hours are required for complete curing of repair
material. The repair area should not be physically distrubed until after that
time. Insufficient curing of urethane adhesive may allow unrestrained occupants
to be ejected from the vehicle resulting in personal injury.
- Use
suction cups and, with the aid of an assistant, install the stationary window
into the opening.
- Align the tape on the
stationary window and the body.
- Press the stationary window firmly into place.
- Tape the stationary window to the body in order to minimize movement.
29.1. | Clean any excess urethane adhesive from the body. |
29.2. | Use a soft spray in order to water test the stationary window
immediately. |
29.3. | Using warm water is preferred in order to accelerate the cure
of adhesive. |
29.4. | Do not direct a hard stream of high pressure water at fresh urethane
adhesive. |
- Inspect the stationary window for leaks.
- If any leaks are found, use a plastic paddle in order to apply
extra urethane at the leak point.
- Retest stationary window for leaks.
Important: Use the following procedure in order to properly cure the urethane adhesive.
• | Allow the vehicle to remain at room temperature (21°C or 70°F)
at 30 percent relative humidity. |
• | Allow a minimum of 6 hours for the moisture curing urethane
adhesive. |
• | Allow a minimum of 1 hour to 1 1/2 hours for the chemical
curing urethane adhesive. |
• | Partially lower a door window in order to prevent pressure buildups
when closing doors before the urethane adhesive cures. |
• | Do not drive the vehicle until the urethane adhesive is fully
cured. |
- Do not use compressed air in order to dry the urethane adhesive.
- Remove the tape from the painted surfaces.
- Install the rear quarter trim panel. Refer to
Rear Quarter Trim Panel Replacement