Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBUICK2005LESABRE LIMITED, 4T65E/M15REPAIR AND DIAGNOSISBODY & FRAMEWINDOWSSTATIONARY WINDOW SYSTEMREPAIR INSTRUCTIONSREAR WINDOW REPLACEMENTINSTALLATION PROCEDURE
2005 Buick LeSabre Limited, 4T65E/M15
Installation Procedure
2005 Buick LeSabre Limited, 4T65E/M15SECTION Installation Procedure
- Install the rear window into the opening. Refer to Urethane Adhesive Installation of Stationary Windows .
- Connect the rear window defogger connectors.
- Install the OnStar® antenna. Refer to Antenna Replacement - Cellular Communications/Digital Radio in Cellular Communication.
- Connect the antenna connector.
- Install the upper interior rear quarter trim. Refer to Trim Panel Replacement - Rear Quarter Upper in Interior Trim.
- Remove the double layer of masking tape around the perimeter of the painted surfaces and the interior trim.
- Close the rear compartment lid.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.