Bottom place within an engine compartment

Assembly (5) comprising: - a housing (6) placed in a compartment (3) of a motor vehicle (1) between an automobile body (7) and primary member (8) side; - a member (9) integrally projecting from the body (7) primary; the housing (6) comprises a rupture initiation area positioned opposite the element (9) projecting from the housing (6) being adapted to be severed by the element (9) projecting along its rupture initiation area, during an impact suffered by the vehicle (1) and bringing the member (7) and primary member (8) side.