You need to take those pictures down. Its actually the top secret, never published, burn before viewing, perfect cure for death wobble.
The two top GM engineers and the few civilians who are permitted to know about it are the only ones who can drive around without having to put washers in the joints or do other extreme things to stop that.
Since yours is on an axle not known for DW, it looks like an early experimental unit.
Plus, although its hard to tell from that picture, it also looks like its missing the resonating quantum bosun cycling unit.
Which would make it a very early model indeed.