a motor vehicle having a vertically openable access door includes a reinforcement bracket for each cylinder mounting . the bracket is bent to provide tortional and other force absorption capability . the bracket is also of sufficient size to cover the immediate area where a cylinder is mounted and any remote locations where forces may be applied through a moment arm created by rotation and exertion of a force on the vehicle by a cylinder . the cylinders may be hydraulically operated to effectuate opening and closing of the door .