Are you worried your windshield might be leaking? Finding signs of moisture in your car can be frustrating, especially if you can’t immediately find the source. Most drivers only notice a leaking windshield after driving in heavy rain. Click here to learn how to test for a windshield leak.
Signs of a Windshield Leak
- You smell mold or mildew inside your car but can’t find the source.
- Your windows fog from the inside.
- Rust around the edge of your windshield.
- Wet carpet, either inside your car or in the trunk. Leaks can travel from your windshield to other parts of your car.
- Deterioration of the rubber seal around your windshield or the glue that holds it in place.
- Mold and mildew left over the windshield’s seal can cause it to break down.
- Tiny pinhole leaks can happen during your windshield installation that go unnoticed for years.
To prevent the breakdown of your windshield’s rubber seal, be sure to clean around the edge of your windshield thoroughly when you wash your car, and park in the shade to avoid harsh sunlight and heat.
How to Seal a Leaking Windshield: The DIY Approach
Once you’ve located the leak, it’s time to seal it to prevent further damage to your car. Seam sealants can be purchased online if you want to fix the leak yourself. Make sure to avoid silicone-based sealants, as these will expand and contract as the weather changes, exposing the leak again. Look for a sealer that’s pliable and will adhere to your windshield.
To get started, clean around the edge of your windshield thoroughly to remove any mildew, dirt, or debris which could be stuck under the seal. Allow the area to air-dry or wipe it dry with a clean microfiber cloth. Gently pry the molding away from the glass and apply the sealant, then press it down and allow it to air dry. After you’ve finished, test the area again for leaks.
After you’ve sealed the leak yourself, you should still have a professional inspect your windshield.
Hire a Pro
If the leak persists or you don’t feel comfortable trying to fix it yourself, hiring a professional to fix a leaking windshield is always a great choice.
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