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.
2003 Chevrolet Express 1/2 Ton Van V6-4.3L VIN XFACTORY OEM SERVICE PROCEDURE
Front Door Window Glass: Service and Repair
Window Replacement - Front Door
Removal Procedure
1. Raise the front door window (1) approximately half way in order to access the nuts (2) that retain the front door window to the sash.
2. Remove the front door trim panel. Refer to Trim Panel Replacement - Side Front Door (Service and Repair) .
3. Remove the front door rear garnish. Refer to Garnish Molding Replacement - Front Door Rear (Garnish Molding Replacement - Front Door Rear) .
4. Remove the front door water deflector. Refer to Water Deflector Replacement - Front Door Service and Repair
5. Lower the front door window (1).
6. Remove the inner window sealing strip. Refer to Sealing Strip Replacement - Front Door Window Belt Inner () .
7. Remove the outer window sealing strip. Refer to Sealing Strip Replacement - Outer Belt (Sealing Strip Replacement - Outer Belt) .
8. Remove the front run channel from the door. Refer to Window Run Channel Replacement (Service and Repair) .
9. Remove the nuts (2) that retain the front door window (1) to the sash.
10. Remove the front door window (1) from the door from the outer side of the vehicle.
Installation Procedure
1. Install the front door window (1) to the door from the outside of the vehicle.
Notice: Refer to Fastener Notice in Cautions and Notices.
Important: Before raising or lowering the front door window (1), ensure that the front door window (1) is properly aligned in the rear run channel.
2. Install the nuts (2) in order to retain the front door window (1) to the sash.
Tighten the retaining nuts to 11 N.m (97 lb in).
3. Install the inner window sealing strip. Refer to Sealing Strip Replacement - Front Door Window Belt Inner () .
4. Install the outer window sealing strip. Refer to Sealing Strip Replacement - Outer Belt (Sealing Strip Replacement - Outer Belt) .
5. Install the front door water deflector. Refer to Water Deflector Replacement - Front Door Service and Repair
6. Install the front door rear garnish. Refer to Garnish Molding Replacement - Front Door Rear (Garnish Molding Replacement - Front Door Rear) .
7. Install the front door trim panel. Refer to Trim Panel Replacement - Side Front Door (Service and Repair) .
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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