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Syringe-style repair kits (A) contain enough resin compound to fix one windshield chip. They mount to the glass with an adhesive disc and a plastic pedestal. Bridge-type kits (B) are more expensive but can be reused with resin refills. (Courtesy JC Whitney)
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Clean the damaged area with glass cleaner and allow it to dry completely. Then put a rag or towel below the damage to keep any spilled repair compound from contacting paint.
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For syringe-style repairs, punch out the hole in the adhesive disc, peel the backing off of one side of the disc and press it onto the glass. Center the damage in the disc's hole and point the disc's tab upward.
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Peel the backing off of the disc's top side and press on the pedestal, aligning the tabs at the top.
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Uncap the syringe and insert it in the pedestal, twisting till the syringe is firmly seated. Then pull the plunger upward to suck air from the damaged area, hold momentarily, and let go to force the repair compound into the damage. Repeat the plunging process 10 times.
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The sun's ultraviolet rays cure the repair compound in approximately 30 minutes. Check from inside the vehicle for air bubbles and repeat the plunging sequence if necessary. To finish the job, remove the syringe, cut off the pedestal and disc with a blade and clean up any excess compound.
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