Liftgate Window Replacement Sedan
                    
Special Tools
|     •  | Urethane Adhesive Kit GM P/N 12346392 or Equivalent | 
 
|     •  | Isopropyl Alcohol or equivalent | 
 
|     •  | Cartridge-Type Caulking Gun | 
 
|     •  | Commercial-Type Utility Knife | 
 
Removal Procedure
Caution: Refer to Cracked Window Caution in the Preface section.
Important: Before cutting out a stationary window, apply a double layer of masking tape around the perimeter of the painted surfaces and the interior trim.
- Open the liftgate.
 
- Remove the liftgate trim. Refer to 
Liftgate Trim Panel Replacement
 .
 
- Disconnect the electrical connectors from the liftgate window defogger bus bar. 
 
- Remove the rear window wiper arm. Refer to 
Rear Window Wiper Arm Replacement
 .
 
- Remove the wiper motor assembly from the liftgate glass.
 
Caution: Refer to Glass and Sheet Metal Handling Caution in the Preface section.
Caution: Refer to Defroster Outlet Caution in the Preface section.
- Cover the following parts to protect from broken glass:
 
| •  | Defroster outlets and A/C outlets | 
 
Important: Keep the cutting edge of the tool against the window. 
- Remove the window from the urethane adhesive.
 
| •  | Leave a base of urethane approximately 2 mm (0.078 in) on the pinch-weld flange. | 
 
| •  | The only suitable lubrication is clear water. | 
 
| •  | Use a cutting tool from inside of liftgate to remove the glass. | 
 
- If necessary, use a long utility knife or similar tool to remove the bottom corners of the window from the urethane adhesive.
 
- With the aid of an assistant, remove the window (1) from the vehicle.
 
Installation Procedure
- Install the liftgate window into the opening. Refer to 
Adhesive Installation of Liftgate Windows
 .
 
- Install the wiper motor assembly.
 
- Install the rear window wiper arm. Refer to 
Rear Window Wiper Arm Replacement
 .
 
- Connect the liftgate window defogger electrical connectors to the bus bar.
 
- Install the liftgate trim. Refer to 
Liftgate Trim Panel Replacement
 .
 
- Remove the double layer of masking tape around the perimeter of the painted surfaces and the interior trim.
 
- Close the liftgate.
 
                            Liftgate Window Replacement Coupe
                    
Special Tools
|     •  | Urethane Adhesive Kit GM P/N 12346392 or Equivalent | 
 
|     •  | Isopropyl Alcohol or equivalent | 
 
|     •  | Cartridge-Type Caulking Gun | 
 
|     •  | Commercial-Type Utility Knife | 
 
Removal Procedure
Caution: Refer to Cracked Window Caution in the Preface section.
Important: Before cutting out a stationary window, apply a double layer of masking tape around the perimeter of the painted surfaces and the interior trim.
- Open the liftgate.
 
- Remove the liftgate trim. Refer to 
Liftgate Trim Panel Replacement
 .
 
- Disconnect the electrical connectors from the liftgate window defogger bus bar. 
 
- Remove the rear window wiper arm. Refer to 
Rear Window Wiper Arm Replacement
 .
 
- Remove the wiper motor assembly from the liftgate glass.
 
Caution: Refer to Glass and Sheet Metal Handling Caution in the Preface section.
Caution: Refer to Defroster Outlet Caution in the Preface section.
- Cover the following parts to protect from broken glass:
 
| •  | Defroster outlets and A/C outlets | 
 
Important: Keep the cutting edge of the tool against the window. 
- Remove the window from the urethane adhesive.
 
| •  | Leave a base of urethane approximately 2 mm (0.078 in) on the pinch-weld flange. | 
 
| •  | The only suitable lubrication is clear water. | 
 
| •  | Use a cutting tool from inside of liftgate to remove the glass. | 
 
- If necessary, use a long utility knife or similar tool to remove the bottom corners of the window from the urethane adhesive.
 
- With the aid of an assistant, remove the window (1) from the vehicle.
 
Installation Procedure
- Install the liftgate window into the opening. Refer to 
Adhesive Installation of Liftgate Windows
 .
 
- Install the wiper motor assembly.
 
- Install the rear window wiper arm. Refer to 
Rear Window Wiper Arm Replacement
 .
 
- Connect the liftgate window defogger electrical connectors to the bus bar.
 
- Install the liftgate trim. Refer to 
Liftgate Trim Panel Replacement
 .
 
- Remove the double layer of masking tape around the perimeter of the painted surfaces and the interior trim.
 
- Close the liftgate.
 
                            Liftgate Window Replacement CoupeRe-Sealed
                    
Removal Procedure
- Remove the tailgate window. Refer to 
Liftgate Window Replacement
 .
 
Important: Use existing cartridge tip: 8 x 13 mm (0.3 x 0.5 in).
- Reseal the liftgate window.
 
| •  | Cut into the tip of the cartridge in such a way that a bead of adhesive approximately 13 mm (0.5 in) thick. | 
 
Installation Procedure
Install the liftgate window. Refer to 
Liftgate Window Replacement
 .