JB,
I had the same problem on my 92 Ranger Sport. I tried injecting epoxy and then super glue into the bottom where the mirror pivots in hopes of tightening things up. That didn't work. I replaced the drivers side at 50,000, but at 120,000, not surprisingly, they folded flat over 60 mph. Part of the problem is my 85+mph runs across Illinois, but I think it's ultimately just another case of poor engineering...
Now I have small hose clamps between the base and the body of the mirror, which is admitedly ugly, but it is functional, and a lot cheaper than replacing the stockers every 50K miles...
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IKE
93 Explorer XLT
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[This message has been edited by IKE (edited 02-26-99).]
[This message has been edited by IKE (edited 02-26-99).]