Astra L4-1.8L (2009)
Liftgate Window Glass: Service and Repair
Liftgate Window Replacement (Sedan)
Liftgate Window Replacement (Sedan)
Special Tools
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Urethane Adhesive Kit GM P/N 12346392 or Equivalent
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Isopropyl Alcohol or equivalent
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Cartridge-Type Caulking Gun
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Commercial-Type Utility Knife
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Razor Blade Scraper
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Suction Cups
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Plastic Paddle
Removal Procedure
Warning: Refer to Cracked Window Warning (See: Windows and Glass/Service Precautions/Cracked Window Warning).
Note: Before cutting out a stationary window, apply a double layer of masking tape around the perimeter of the painted surfaces and the interior
trim.
1. Open the liftgate.
2. Remove the liftgate trim. Refer to Liftgate Trim Panel Replacement (Coupe) (See: Interior Moulding / Trim/Trim Panel/Service and Repair
)Liftgate Trim Panel Replacement (Sedan) (See: Interior Moulding / Trim/Trim Panel/Service and Repair).
3. Disconnect the electrical connectors from the liftgate window defogger bus bar.
4. Remove the rear window wiper arm. Refer to Rear Window Wiper Arm Replacement (See: Wiper and Washer Systems/Wiper Arm/Service and
Repair/Rear Window Wiper Arm Replacement).
5. Remove the wiper motor assembly from the liftgate glass.
Warning: Refer to Glass and Sheet Metal Handling Warning (See: Service Precautions/Technician Safety Information/Glass and Sheet
Metal Handling Warning).
Warning: Refer to Defroster Outlet Warning (See: Heating and Air Conditioning/Service Precautions).
6. Cover the following parts to protect from broken glass:
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Upper dash pad
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Defroster outlets and A/C outlets
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Seats and carpeting
Note: Keep the cutting edge of the tool against the window.
7. Remove the window from the urethane adhesive.
1. Leave a base of urethane approximately 2 mm (0.078 in) on the pinch-weld flange.
2. The only suitable lubrication is clear water.
3. Use a cutting tool from inside of liftgate to remove the glass.
8. If necessary, use a long utility knife or similar tool to remove the bottom corners of the window from the urethane adhesive.
