1. Disconnect the wire from the negative terminal of the battery.
2. Unscrew the two nuts of the lower bumper mount.
3. Unscrew one bolt of the upper bumper mount on both sides.
Information taken from the website LadaMan
4. Remove two screws on each side that secure the bumper to the fenders and one screw that secures the mudguards to the bumper.
5. Remove the bumper by sliding it back.
6. Install the rear bumper in the reverse order of removal. When installing the bumper, align its side edges with the edges of the fenders.