An installation aid for installing a blocking element on a suspension strut of a motor vehicle, the installation aid having a flexible, Y-like design with a trunk section, a first branch section and a second branch section, wherein the first branch section is longer than the second branch section, a respective eye is arranged at a free end of the trunk section and at a free end of the second branch section, and the eye on the branch section is designed in such a manner that at least regions of the first branch section can be passed there through.