Removing the door trim (see Removal of an upholstery of a back door).
Using a Phillips screwdriver, unscrew the two screws securing the armrest trim bracket.
Remove the moisture-proof film from the inner door panel.
Using a Phillips screwdriver, unscrew the three screws securing the intermediate door lining..
... and remove the cover.
Remove the outer seal.
Removing the glass seal from the guide (the operation is performed with the window down).
Remove the seal to half of the front frame.
We turn off the lower and upper bolts of the guide and bring the upper end of the guide out of the window opening.
Using a Phillips screwdriver, unscrew the two screws securing the glass caps to the slider.
Raise the glass and remove it from the door.
At the bottom of the glass there are two holes for installing plastic caps
Install rear door glass in reverse order.