My Long Core Unit is making a weird squeaking noise

Reddit link to video showcasing the sound

Any idea what's going on here? I'd look inside the Core Unit but the two small screws are pretty much impossible to get out without stripping them. It still seems pretty strong, but maybe not quite as much as it was before this started. Has anyone else had this issue, and if you have, does it make the launcher weaker, and have you been able to fix it? Thanks in advance for the help!
it normally makes a squeaking sound, there is nothing to worry about