Removal Procedure
Tools Required
- J 24402-A  Glass
Sealant  (cold knife) Remover
 
- J 39040 Quarter Glass Remover
 
- Unclip the defogger connector at the left and the right side of
the window from the inside of the cab, if equipped.
 
- Remove the rear window lower molding. Refer to 
Rear Window Lower Garnish Molding Replacement 
 in Interior
Trim.
 
- Remove both rear seat headrests (extended cab).  Refer to 
Rear Seat Head Restraint Replacement 
.
 
- Use the J 24402-A 
or theJ 39040 
 in order to remove the window from the vehicle.
 
- With an assistant standing
outside of the vehicle,  push the window out from the vehicle.
 
- Inspect the urethane adhesive and the pinchweld flange in order
to determine if the short method or the extended method is required. Refer
    to 
Short Method Description 
Extended Method Description 
.
 
- If you are performing the short method, use a utility knife or
equivalent tool in order to trim the remaining adhesive to a uniform thickness.
 
- If you are performing the extended method, use a   utility knife
or equivalent tool in order to remove all of the urethane adhesive  from the
pinchweld     flange.
 
- Clean any loose material from the window opening.
 
- If you are reusing the
glass, remove the remaining  urethane adhesive from the glass.
 
- Clean the sealing surface with GM window cleaner P/N 1050427 or
the equivalent.
 
Installation Procedure
Important: If you are using the short method, do not apply primer over the existing
urethane adhesive.
- If you are performing
the extended method, apply    primer to the pinchweld flange.
 
| •  | Use pinchweld primer #3 or the equivalent from GM P/N 12346284. | 
 
| •  | Allow the primer to dry for 10 minutes. | 
 
- Apply glass prep primer
(clear, number 1) to    the sealing surface. No drying time is needed.
 
- Wipe any excess primer off immediately.
 
- Apply glass prep primer (black, number 2) to the sealing surface
of the glass.
 
- If you are using the extended
method, apply a    continuous 8 mm (0.32 in) wide by 11 mm (0.43 in) high
bead of urethane to         the glass sealing surface.
 
- If you are performing the short method, apply a continuous 6 mm
(0.25 in) bead of urethane to the existing urethane.
 
- Place the glass into the
opening.
 
- Firmly press on the outer edges of the glass in order to seat
the urethane adhesive. Avoid excessive urethane adhesive squeeze-out.
 
- Using a soft spray of water, immediately test the effectiveness
of the urethane sealant.
 
| 9.1.  | Softly spray warm or hot water around the outside edges of the
glass. | 
 
| 9.2.  | If any water leaks are present inside the vehicle, apply additional
urethane sealant to the leak area using a flat blade tool. | 
 
| 9.3.  | Dry the glass and the body. | 
 
- Partially roll down a door window in order to prevent excess pressure
in the passenger compartment when closing the doors.
 
- Connect the defogger clips on each side of the window on the inside
of the body connectors, if equipped.
 
- Install all trim panels which were removed in order to gain access
for rear window removal. Refer to 
Rear Window Lower Garnish Molding Replacement 
  in Interior Trim.
 
- Install the headrests. Refer to 
Rear Seat Head Restraint Replacement 
.