2. Release each strut from its mountings by removing the mounting clips with a small screwdriver, then remove the strut ball mounts. Do not remove the bracket more than 4 mm if the strut is to be reused (see photo).
20.2. Removing the hinge bracket to remove the rear door pillar
3. Do not attempt to disassemble the rack. It contains pressurized gas.
4. To install the rack, place its ball ends on the studs. Press it down until it clicks.
[The material is based on data from the portal nissanbook.ru]