Understanding the Process of Windshield Replacement

Sierra Mobile Glass • April 25, 2025
Red sports car with a sleek black roof and teal Mercedes-style emblem on a white background
Blue pickup truck in side view with black trim and silver wheels on a white background

The Windshield Replacement Process

Cracks and chips in the windshield aren’t just a hassle—they’re a safety issue. Your windshield helps prevent debris from entering your vehicle, houses technology linked to your ADAS (Advanced Driver Assistance Systems), and plays a crucial role in your car’s structural integrity.


If the damage to your windshield is too severe to repair, a full replacement will be necessary. When that time comes, it’s important to understand the process so you know what to expect when hiring an auto glass service.


In this blog, we’ll walk you through the windshield replacement process, so you’ll know exactly what the technician will do.


Find a Reliable Windshield Replacement Service


When you discover damage to your windshield, this should be your first step. Finding a reliable auto glass service is easy if you’re willing to do a little homework. The best way to gauge their reputation is by reading customer reviews on Google or Yelp. Look for experience, certifications, and make sure they work with your insurance provider.


Some auto glass companies offer in-shop replacements, others provide mobile service—and some offer both. Each option has its benefits. Some vehicle owners prefer the control of visiting a shop, while others appreciate the convenience of mobile service. If your windshield is badly damaged, hiring a mobile service may save you from having to tow your vehicle.



Once you’ve chosen a reliable service and your appointment is scheduled, here’s what you can expect:


Preparation for the New Windshield


Before removing the damaged glass, the technician will clean the area to remove debris that could interfere with the installation. They’ll also remove any trim pieces, such as the rearview mirror.


Removing the Old Windshield


The technician will carefully remove the old windshield using specialized equipment like suction cups. This process is done to avoid damaging the paint or bonding surfaces. Once the windshield is removed, the area will be cleaned again, and the technician will check for any rust or damage—and address it if needed.


Applying Adhesive


Next, the technician will apply urethane adhesive to the car’s bonding surface. This strong adhesive helps secure the new windshield to the frame. Trustworthy auto glass services use sealants approved by the Auto Glass Safety Council (AGSC).


Installing the New Windshield


With the adhesive in place, the technician will use specialized tools to install the new windshield. They’ll carefully press it into the adhesive, ensuring it’s properly aligned and leveled.


Securing the Glass


After installation, the technician will clean up any excess adhesive and reinstall any removed trim pieces, such as the rearview mirror.


ADAS Calibration


If your vehicle is equipped with ADAS (Advanced Driver Assistance Systems), the technician will recalibrate the system to ensure your safety features—such as lane assist and collision warnings—function correctly with the new windshield.


Wait Time


You’ll need to let the adhesive cure before driving the vehicle. This is another reason why mobile auto glass service is convenient—you can wait at home or work instead of sitting in a shop or arranging a ride.


Follow Their Advice


Before leaving, the technician will provide tips on how to care for your new windshield. Following their advice will help ensure the installation lasts and that your vehicle stays safe.


Need a Windshield Replacement in Grass Valley, Nevada City, or Truckee Areas?


If you need a windshield replacement and you live, work, or drive through the Grass Valley, Nevada City, or Truckee areas, contact Sierra Mobile Glass. We work with all major insurance providers and offer a lifetime warranty on our work. When you contact us for a free quote, we provide upfront pricing and easy scheduling. Plus, we offer both in-shop and free mobile service for your convenience.

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