Over time the rivets that attach your windowpane to the regulator can wear and break causing the window to fall inside your door.
Right passenger window fell into door.
Over time a bad window motor can cause the glass pane to stop moving making it appear off track or causing it to fall out of alignment.
Inspect the electric window motor with a voltmeter.
Just as rivets or the regulator can wear down and break over time the control arm can break as well a mechanic will remove the door panel to identify any broken system.
When the pane of glass works its way out of the regulator it can fall into the door.
Passenger window goes pop.
Check the motor for any clear signs of damage like dents or holes.
The average backyard mechanic can repair fallen window glass in about an hour.
No damage to the exterior of the car no marks on the glass.
Automotive windows use a control arm and guide regulator to raise and lower a pane of glass into the door either manually or with an electric motor.
I stop the car thinking something just hit the car.
This morning on a country road with a 25mph limit going at about the limit with both windows down no cars around no pedestrians no road construction nearby.
You must then remove the door s interior trim to gain access to the window and repair or replace the regulator.
Decided to bring up the windows to turn on the ac.
On its way up and stops.
Window is dislodged from the regulator.
Common reasons for this to happen.
Quick fix but not the correct way to fix this gmc yukon xl.