Try wrapping some #0-coarse steelwool around the shaft,closest you can to the socket,Then use a straight screwdriver or butterknife,To push the steelwool into the socket.That should tighten it up,Quite well!Keep the screwdriver/butterknife handy,to periodically shove it back in,as it will back out over time.This worked on an old Mazda,of which had the poopy-design,You describe above. Good Luck,& Get to a Pick-a-Part asap!