1. Remove the upholstery of the tailgate (see «Removal and installation of an upholstery of a door of a back»).
2. Turn away the left nut of fastening of the lock of a door of a back to the panel of a door and remove «massive» wires for an additional brake light and a rear wiper gearmotor.
![](https://www.vazbook.ru/img/vaz_2115/2680.jpg)
3. Turn away the second nut and remove the lock of a door of a back.
4. Install the lock in the reverse order of removal, if necessary, adjust its position using the lock.
5. If, when closing the door, the latch of the lock does not fall into the hole of the latch (a knock is heard, and the door closes with great effort), loosen the two mounting bolts and move the retainer in the desired direction. After that, tighten the retainer mounting bolts.
![](https://www.vazbook.ru/img/vaz_2115/2681.jpg)
6. If the door in the closed position has vertical play or closes with great effort, adjust the latch in height. To do this, unscrew the two mounting bolts and remove the retainer.
![](https://www.vazbook.ru/img/vaz_2115/2682.jpg)
7. Remove the adjusting plates if there is play, or add them if the lock closes with great effort. Install the latch and check the ease of closing the door.
![](https://www.vazbook.ru/img/vaz_2115/2683.jpg)