How to Fix a Broken Car Window: A Step-by-Step Guide
There are few things as frustrating as getting into your car, only to realize that your window is shattered or cracked. Whether it's due to an accident, a break-in, or a freak accident with a tree branch, a broken car window can be an inconvenience and a security risk. I know from personal experience just how upsetting it can be to have a window break unexpectedly. When it happened to me, I had to figure out how to fix the issue myself before it caused further damage or left my car vulnerable. In this guide, I’ll walk you through the process of fixing a broken car window, with helpful tips based on my own experience and expertise. While you may want to call in a professional for complicated repairs, there are steps you can take to fix minor damage or temporarily secure a broken window until a proper replacement can be made.

J&J Auto Repair
2879 Lockbourne Rd, Columbus, OH 43207, USA
1. Assess the Damage: Is It a Small Crack or Full Break?
The first step in fixing a broken car window is to assess the extent of the damage. The severity of the break will determine the approach you should take. In my case, I was dealing with a shattered window, which required a different solution than a simple crack. Here's how to tell the difference:
- Crack or Chip: If the damage is limited to a small crack or chip in the window, this may be something you can temporarily seal and protect. If the crack is small and hasn’t expanded, you might be able to delay replacing the window with a quick fix.
- Shattered Glass: If your window is shattered, you’ll need to replace it as soon as possible. Shattered windows are not only a security risk but also dangerous due to the sharp glass shards.
If your window is only cracked or chipped, you might be able to apply a temporary fix until you can get it properly repaired. If the window is shattered or severely damaged, it’s important to take steps to safely remove the broken glass before replacing the window.

Lopez Auto Repair
1290 W Mound St, Columbus, OH 43223, USA
2. Tools and Materials You’ll Need
Before you start fixing your broken car window, gather the necessary tools and materials. In my case, having everything ready before starting made the process much smoother. Here's a list of what you'll need for a basic fix:
- Heavy-duty gloves: These will protect your hands from sharp glass edges.
- Safety goggles: To protect your eyes from flying glass or debris.
- Plastic sheeting or trash bags: Used to cover the broken window temporarily.
- Clear tape (preferably duct tape or packing tape): To seal cracks and hold the plastic sheeting in place.
- Glass cleaner: To clean up the glass and any dust left after removing the shards.
- Vacuum cleaner: To clean up any remaining glass shards from the interior of your car.
Having these tools on hand will ensure you can proceed with minimal hassle. If you're planning to replace the entire window, you’ll also need replacement glass, which can typically be purchased through an auto parts store or directly from the manufacturer.
3. Temporarily Secure the Broken Window (For Minor Cracks or Chips)
If your window has a crack or chip and you're not ready for a full replacement yet, you can temporarily secure it to prevent it from worsening. This is the route I took when I had a small crack on my driver’s side window.
Here’s how I did it:
- Clean the area around the crack thoroughly with glass cleaner. This helps remove any dirt, dust, or debris.
- Use clear packing tape or duct tape to cover the crack. I started by placing tape along the edges of the crack and then applied a few more layers across the center. Be sure to press down firmly to ensure the tape sticks well.
- Cover the entire damaged area with plastic sheeting or a trash bag to prevent rain or debris from getting inside your car. Secure the plastic with more tape around the edges.
This solution won’t fix the crack completely, but it will help prevent further damage and keep your car more secure until you can replace the window.
4. Removing Broken Glass (For Full Window Replacement)
If your window is completely shattered, the next step is to carefully remove the broken glass. This process can be a bit tricky and requires patience, but I found it to be straightforward when done carefully.
Here’s the step-by-step process I followed:
- Put on your gloves and safety goggles to protect yourself from sharp edges.
- Remove any large glass pieces from the window frame carefully. I started by using my hands (with gloves on) to lift the larger shards out, placing them in a safe container for disposal.
- Use a vacuum cleaner to remove any smaller glass shards from inside the car. I used the hose attachment to get into the corners and around the door frame where tiny pieces of glass can hide.
- Inspect the frame to ensure all the glass has been removed. At this point, you can apply a final wipe-down with a microfiber cloth to clean any remaining dust or glass particles.
Once the glass is removed, you’re ready to replace the window. If you’re replacing the window yourself, you can find replacement glass at an auto parts store, or you can call a professional to get it installed.
5. Replacing the Window
Replacing a broken window isn’t a task most people can do themselves without the proper tools and experience. I personally chose to have a professional handle the full window replacement, but if you're comfortable with DIY repairs, here’s what you need to know:
- Order the correct replacement glass. Be sure to get the exact make, model, and year of the car to ensure the window fits properly.
- Carefully install the new glass into the window frame. This usually involves securing the glass with a rubber seal and ensuring it sits properly in the frame.
- Once the glass is in place, test the window by rolling it up and down (if it’s a power window) to make sure everything is working correctly.
For those who don’t feel comfortable replacing the glass themselves, professional auto glass repair services are a reliable and quick option. Most companies offer same-day repairs or replacements, ensuring you get back on the road as soon as possible.