Sequence of execution
1. Prepare the car for work (see "Preparing the car for maintenance and repair").
2. Remove the door trim (see "Door trim - removal and installation").
3. Connect the electric window control button to the block, lower the glass and unscrew the two bolts securing the glass to the guide (see "Door glass - removal and installation").
4. Raise the glass up and secure it with masking tape.
Note: If the window lifter motor-reducer is faulty and the door glass is in the extreme upper position, and there is no access to the screws that secure it, it is necessary to disconnect the window lifter assembly from the door and lower it into the door cavity together with the glass (see below).
5. Using a 10 mm wrench, unscrew the five mounting bolts...
...we remove the window lift motor-reducer from the door. Press the lock and disconnect the wiring harness connector.
6. Remove the window regulator.
Taken from the website LadaMan.ru
7. Install the parts in reverse order. Before finally tightening the glass mounting bolts, we make sure that it is installed correctly by raising and lowering the glass several times.