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73-87 Chevy _ GMC Trucks => 73-87 Chevy & GMC Trucks => Topic started by: c10stepside79 on July 29, 2012, 09:26:00 am
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My c10 has tripod style side-view mirrors. You can see them in the link below.
http://forum.73-87chevytrucks.com/smforum/index.php?action=dlattach;topic=24251.0;attach=20371 (http://forum.73-87chevytrucks.com/smforum/index.php?action=dlattach;topic=24251.0;attach=20371)
I took the passenger side mirror off to clean it up, and when reinstalling it, I somehow stripped the threads that are set in the hole in the door for mounting it. Any idea how to repair / replace these threads?
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Have you considered a Heli-coil thread repair kit?
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Use NutSerts (linked) or jack nuts (pictured below)...
http://www.avdel-global.com/en/products/threaded-inserts/thin-sheet-nutsertr.html (http://www.avdel-global.com/en/products/threaded-inserts/thin-sheet-nutsertr.html)
You don't need the fancy air tool to install NutSerts. You can use a nut, with the threads drilled out, and a bolt. Slip the NutSert into the hole in the sheet metal, place the nut (with threads removed) over the NutSert like a spacer, then screw the bolt into the NutSert through the 'spacer.'
The coated jack nuts are used by the OEM.
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I have a hand rivet gun that installs these. I think it broke a $100 bill by a few bucks with 4 boxes of 20 nutserts each of 4 sizes, all in a plastic case.
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Thanks guys. It seems that something very similar to jack-nuts were used originally, only the threaded section on the original part is a little longer than in your pics.
When reinstalling the mirror and tightening the bolts into place, part of the threaded section broke loose and when the bolt was backed out, that part came out with it. Since part of the threaded section remained in the door, I was able just to buy a slightly longer bolt and that is holding well for now. In all likelihood, if I ever back that new bolt out, I'll be installing new jack-nuts shortly thereafter, so this will definitely be useful info. Thanks again.