2. Remove the foam that lines the door panel.
This will help to protect the glass when you are putting it back in.
3. Locate the window regulator. The window regulator is a metal frame that holds the window in place. It is located inside the door, behind the foam.
4. Remove the window regulator bolts. There are usually four bolts that hold the regulator in place.
5. Pry the window regulator away from the door frame. Be careful not to damage the door frame.
6. Position the window in the window track. Make sure that the window is properly seated in the track.
7. Replace the window regulator bolts. Tighten the bolts securely.
8. Replace the foam lining.
9. Replace the door panel. Align the holes in the door panel with the holes in the door frame. Insert the screws and tighten them securely.