What's wrong with my hinges?

So my van is unanchored and I have WeldConstraints on every part. I’ve got the wheels with HingeConstraints connected to some makeshift axles but my van freaks out when i hit Run. Why?
just see how badly the thing freaks out when I hit run
BTW the van should be rolling around, and the guy should be dragging it along with the RopeConstraint

Try removing the humanoid from the rig.

wait… i forgot i have a humanoid inside the van, would that cause issues?
and removing the person doesnt seem to work

see these images, maybe you can figure out why these arent working?
the wheel: (i tried to move the hinge back a little and it seemed to help but moving it further back didnt do anything)
image
the axle:
image

Sorry I have no idea what is causing it then. Good luck though.

Hi, something part may be unanchored and it interferes with the machine, check it.

Does the rim have CanCollide checked?