1. Remove the door trim panel and insulation film (see Section Removal and installation of panels of an internal upholstery of doors).
2. Remove window glass (see Section Removal and installation of door glasses).
3. Disconnect the electrical wiring and unscrew the bolts of the regulator drive electric motor.
4. Turn out bolts of fastening of a regulator in the top and lower parts of a door frame.
5. Remove the regulator assembly through the service hole in the door.
6. Installation is carried out in the reverse order.