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 MANUALSCHEVROLET1999ASTRO VAN 2WD V6-4.3L VIN WREPAIR AND DIAGNOSISWINDOWS AND GLASSWINDSHIELDTESTING AND INSPECTION
1999 Chevrolet Astro Van 2WD V6-4.3L VIN W
Windshield: Testing and Inspection
1999 Chevrolet Astro Van 2WD V6-4.3L VIN WSECTION Testing and Inspection
Cracked Window Diagnosis
When replacing a cracked windshield, determine the cause of the crack and correct the condition before the new window is installed. The cause of the crack may be an obstruction or a high spot somewhere around the flange of the opening. Cracking may not occur until the pressure from the high spot or the obstruction becomes particularly high due to the following conditions:
^ Winds
^ Extremes of temperature
^ Rough terrain
If a windshield is broken, the window may already have fallen or been removed from the adhesive. It is not necessary to remove a cracked or otherwise imperfect windshield that is still in tact. In this case, crisscross the window with strips of duct tape before removing the windshield. This will help to hold the window together.
If a crack extends to the edge of a window, mark the point where the crack meets the reveal molding. To do this, use a piece of chalk and mark the point on the vehicle next to the reveal molding. Later, when examining the flange of the opening for the cause of the crack, start at the point marked.
Before removing the window, cover the instrument panel and he surrounding sheet metal with protective covering.
When replacing a cracked windshield, determine the cause of the crack and correct the condition before the new window is installed. The cause of the crack may be an obstruction or a high spot somewhere around the flange of the opening. Cracking may not occur until the pressure from the high spot or the obstruction becomes particularly high due to the following conditions:
^ Winds
^ Extremes of temperature
^ Rough terrain
If a windshield is broken, the window may already have fallen or been removed from the adhesive. It is not necessary to remove a cracked or otherwise imperfect windshield that is still in tact. In this case, crisscross the window with strips of duct tape before removing the windshield. This will help to hold the window together.
If a crack extends to the edge of a window, mark the point where the crack meets the reveal molding. To do this, use a piece of chalk and mark the point on the vehicle next to the reveal molding. Later, when examining the flange of the opening for the cause of the crack, start at the point marked.
Before removing the window, cover the instrument panel and he surrounding sheet metal with protective covering.
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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.