This glass is easily forgotten but is used almost as much as the retractable side windows. Used to help see the surrounding area, quarter glass is made with the same tempered or laminated glass as the side windows and rear windshield, designed to shatter into tiny glass balls to prevent harm. Just like any pane of auto glass, it is important to recognize when you need to repair or replace your quarter glass.
Most vehicles with windows in the doors have a quarter glass pane. On minivans, which have an extra roof pillar, venting quarter glass is fairly popular, to allow more ventilation in the additional row of seats. Older minivans are fitted with manual tilt mechanisms, where the passenger had to unfasten the latches to tilt out the window. However, modern minivans have added power controls to operate the tilting mechanism electronically, for convenience. Quarter glass should not be mistaken for opera glass, which could be found in the rear pillar of older cars.
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Since quarter glass is made from the same tempered safety glass as side windows and the rear windshield, it is extremely important to your safety that you replace the quarter glass if there is any damage to the auto glass pane.
First, make sure that the glass and body panels are cleaned to remove old adhesive and any debris or contaminants.
You’ll need a trim panel removal tool to get around the adhesive and weatherstrip and remove the quarter glass, and the new panel of glass should be carefully placed onto the opening. Make sure there is enough room for the trim pieces. Press the quarter glass panel down so the adhesives slightly spread and let the adhesives set, then reinstall the trim pieces that were removed.
Here are step by step instructions on the process to follow when removing and replacing your quarter glass.
Quarter glass can be easily removed by one person without breaking when glass is held in place by weatherstripping. Work from the inside of your car, and work out the lip of the weatherstrip in the corner of the quarter glass gently.