Floppy mirror

x2, I have successfully tightened more than a few by removing the mirror, removing the spring steel retainer that is held with s3 crews inside, cleaning/lubing and reassembling and tightening to my liking. This both gets rid of the slop, but also allows you to continue adjusting it when desired.

Picture here,

http://www.forabodiesonly.com/mopar/showthread.php?t=245130&highlight=mirror