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Clean the Wound
Carefully remove any loose glass pieces.
photo by Matt Wright, 2008
The first step toward windshield repair is to clean the damaged area of the windshield. You aren't using Windex, however. You need to take the razor blade and pick out any tiny loose pieces of glass. Any loose pieces inside the damaged area could throw off the repair proces so they need to be carefully picked out. You'll also need a clean section of windshield to place the suction cup tool, so I like to use glass cleaner to clean the surface, but be sure to allow lots of time for the damaged area to dry completely before you move on to the next step.