Every restorer faces this problem at least once (more often than that, usually) in every project: a stud or mounting fastener breaks off during removal. Usually this happens because of rusted-on nuts or just rust in general, but occasionally the breakage can be due to metal fatigue. It doesn't matter, really, because the end result is the same: a broken stud that needs replacement.
No two fasteners are necessarily replaced the same way, but one hard-and-fast rule is to replace the broken piece as soon after breakage as possible. This can't be stressed enough, so we'll repeat...
Removing the V8 emblem from the valence was a simple matter of loosening two nuts on the emblem. The red circle shows the stud broken when the valence was removed.
Fix or replace broken studs or mounting fasteners right away! Don't tell yourself you'll do it later.
Why is this rule so important? Because bad things will happen if you put off the repair, that's why. Here are a few possible consequences of putting it off:
In the case of this sheet metal valence panel, we broke off a pressed-in stud that is mounted to a thin sheet metal platform welded to the valence. Therefore, you have two choices as to how to replace the stud: 1) you could grind out the little flange, punch out the stud and replace it, then weld in the platform or 2) grind down the stud itself and weld a new one on top.
This is the new stud...just a bolt with the head ground down to where it's just thick enough to hold the bolt when welded to the valence.
We would recommend the latter course of action, since you don't have to worry about lining up the platform and figuring out a way to hold it while welding. That said, go ahead and grind away until the broken stud is level with the platform (we assume you have a grinder or a grinding wheel.) While you're at it, find an equal-size bolt to use as a replacement and grind down the head until it's a thin "mounting platform" itself.
In this case, the ground clamp for the welder also served as a clamp to hold the stud in place while welding. Of course, it'll not always be this simple.
Okay, since this is a beginners' article we know you probably don't have a welder. However, the chances are you have a friend who owns one, so here's the trick to hold the replacement stud in place while it's being welded: use the welder's clamp as the hold-down device. Cool, eh?
If you don't know anyone with a welder you'll have to go to a shop, of course. On the other hand, you could epoxy the new stud on, provided there's enough surface area for the epoxy to "grab" and all other conditions of the materials are met.
The point of this whole exercise is to show that almost anything can be fixed. It's just a case of thinking it out.
New stud welded into place.
I might suggest protecting the threads on the replacement stud. There are a couple simple ways of doing this: 1. You could just thread a nut down the shaft and weld beneath it. Or, 2, You could slip a short section of copper tubing over the threads. Weld won't stick to the copper and it's easily removed after attaching the stud.
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