Caliper key bolt broken off
Aug 5, 2009 | 05:09 PM
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Postmaster
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From: MD
Caliper key bolt broken off
I managed to snap the head off the caliper key bolt on the driver's side of my 1/2 ton F150 2WD.
Has this happened to anyone else? If so, how did you get out? I tried vise grips, but there's not enough room. The bolt is exposed outwards. I'd rather it to go out than back all the way out.
Any ideas?
Aug 5, 2009 | 05:28 PM
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You need to drill a hole in it then use an easy-out, you can buy them at any auto store.
Aug 5, 2009 | 05:29 PM
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Aug 5, 2009 | 05:30 PM
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well maybe not VERY easy but it's not to bad :P
Aug 5, 2009 | 05:38 PM
Joined: Jan 2004
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From: Brentwood,CA
If it fails drill it out and heli coil it back to a 3/8 and make sure to put anti sieze on the bolt to prevent this from happening next time.
Aug 5, 2009 | 09:10 PM
Joined: Feb 2007
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From: Middle TN
Buy a reverse twist drill bit. Most hardware's have them. I have had better luck than with extractors.
Aug 5, 2009 | 09:23 PM
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From: Semper Fi tell I die!
i think this has happened to everyone! hehehe i replace mine with grade 8 bolts.
Aug 5, 2009 | 09:31 PM
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From: southwest pa
drill it out and retap it. happened to me.
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Aug 5, 2009 | 11:19 PM
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From: menomonee falls wisconsin
Quote:
Originally Posted by
highboy1975
drill it out and retap it. happened to me.
x2 on the drill an re tap hardest part is getting the center punched
Aug 6, 2009 | 08:15 AM
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From: mesa, az
Quote:
Originally Posted by
4x4 Bart
Buy a reverse twist drill bit. Most hardware's have them. I have had better luck than with extractors.
+1ooo on the reverse twist drill bit. Most the time just drilling the hole will turn the stud right out.
Aug 6, 2009 | 08:25 AM
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From: NY and VA
If all else fails,the calipers are cheap enough to replace. Replace in pairs.
Aug 6, 2009 | 09:00 AM
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From: Minnesota
weld a nut on the exposed part of the bolt. Let it cool naturally, and it should back right out of there.
Aug 6, 2009 | 11:59 AM
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From: North Carolina
i used vise grips to turn the bolt thru then, ran a tap thru the threads just to clean them up.
Aug 6, 2009 | 06:39 PM
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From: MD
Thanks for the suggestions. I don't have any reverse twist drill bits, but sounds like a good investment.
I ended up drilling it out out of frustration since the vise girps did nothing. Hard to center the damn thing! But I did get it out.
Let's see what retapping will bring me. Does anyone know what size? 5/16 looks to be the closest.
Even at my age, I still manage to break bolts.
Aug 6, 2009 | 06:41 PM
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Postmaster
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From: MD
Quote:
If all else fails,the calipers are cheap enough to replace. Replace in pairs.
They are no bolts on the calipers on our type of trucks.