front bumper brackets - Vintage Mustang Forums
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post #1 of 13 (permalink) Old 07-14-2019, 05:13 PM Thread Starter
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front bumper brackets

I have a 65 coupe where the front threaded holes for bumper brackets are rusted out. Is there an alternative way to mount the brackets to frame. I was told you can drill out the the old threaded fastener and use some type of compression nut in hole. Any suggestions for this problem.
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post #2 of 13 (permalink) Old 07-14-2019, 05:29 PM
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If the surrounding steel is strong enough, perhaps a J or catch nut through the slot in its place?

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post #3 of 13 (permalink) Old 07-14-2019, 05:34 PM Thread Starter
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thank you..do you know where I could find these.....the surrounding frame is plenty strong
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post #4 of 13 (permalink) Old 07-14-2019, 05:48 PM
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Quote:
Originally Posted by pennsy View Post
thank you..do you know where I could find these.....the surrounding frame is plenty strong
There may be something at Lowe's, Home Depot, or Fastenal...just match the thread pattern you need.
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post #5 of 13 (permalink) Old 07-14-2019, 07:58 PM
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Maybe you could use nuts with a flag, like the trailer hitch kit in the picture. Or find a way to hold a nut in place so you can tighten the bolt.
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post #6 of 13 (permalink) Old 07-14-2019, 09:03 PM
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Show us pics of the rusted area in question.... and the answers will come...Need pics....both sides...Driver and Passenger...

)

Tony K.
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post #7 of 13 (permalink) Old 07-14-2019, 09:58 PM
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On my 67 there was a factory hole beneath the front most nut that I could stick a wrench up in and hold a replacement nut in place of the one that had rusted out. You might be able to do something similar to at least get the front one in.

I ended up having to fix it properly eventually, but the nut through hole on the bottom worked for a long time until I did.
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post #8 of 13 (permalink) Old 07-15-2019, 03:16 AM
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Redneck fix used to be is just drill all the way thru and use a long bolt and nut
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post #9 of 13 (permalink) Old 07-15-2019, 03:30 AM
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A helicoil will probably be strong enough for those. They don't hold up a lot weight.


If you can weld pretty good you can cut the welded on nut portions of these and weld them in. Its a front frame rail outer patch. I used one because one of my bumper bracket nuts was broken off from somebody bumping into something. I cut out a square around one of the nuts and welded it into my frame rail to replace the broken nut..





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post #10 of 13 (permalink) Old 07-17-2019, 06:22 PM
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I've had to deal with this problem by myself a few times before... If the original nut is gone (Fallen out), You should be able to get two fingers up in there from the factory bottom drain hole and hold a nut and a lockwasher in there from the reverse side while you put the front bolt through. I've done it several times..

)

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post #11 of 13 (permalink) Old 07-17-2019, 09:04 PM
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Quote:
Originally Posted by myfirstcar66 View Post
If the surrounding steel is strong enough, perhaps a J or catch nut through the slot in its place?
Quote:
Originally Posted by pennsy View Post
thank you..do you know where I could find these.....the surrounding frame is plenty strong

You would use a "nutsert" or "rivnut" for this type of repair. The bumper bolts are 7/16"-14 IIRC.
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post #12 of 13 (permalink) Old 07-17-2019, 10:48 PM
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I'm going through this now, the nut was originally attached to a tab inside the frame rail, the nut has become detached so I'm doing as NEFaurora suggests. I had to hog out the access hole at the bottom of the frame rail to get a wrench in.
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post #13 of 13 (permalink) Old 07-17-2019, 10:55 PM
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"I had to hog out the access hole at the bottom of the frame rail to get a wrench in."

A Pair of long Needlenose pliers usually does it...The Lockwasher will do the rest..

Sure, You can "Hog Out" the bottom drain hole, but if you take your time...You shouldn't have to..

)

Tony K.



Tony Kovar
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Getting Ready for the 2020 Melbourne, FL MCA Nationals!
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