What are the steps for removing and installing a car window regulator?

[LeLila]

Observe the seam between the trim panel and the door panel to locate the gap. Pry up the trim panel and remove it along the gap. Lift the trim panel and unplug the window switch connector. Unscrew the bolts to remove the window switch. Install the new window switch, tighten the screws and reconnect the plug.

[SanEliza]

When replacing the window regulator yourself, you need to prepare the necessary tools first, including a Phillips screwdriver and a pry bar. Be extra careful with the clip positions when removing the door trim panel—start prying slowly from the bottom. Remember to disconnect the speaker connector and avoid pulling the wiring harness forcefully. You’ll need to loosen the two bolts securing the glass before removing the regulator, and it’s best to temporarily secure the glass with tape at this point. Before installing the new regulator, manually test the track for smoothness, and tighten the screws in a diagonal sequence. When reinstalling the trim panel, make sure every clip is properly aligned to avoid rattling noises. The most crucial step after installation is testing the window’s smooth operation—try raising and lowering it multiple times to ensure it works properly.