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Author Topic: how do I get out a rounded off caliper bolt?  (Read 2539 times)

Offline tsr_adi

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how do I get out a rounded off caliper bolt?
« on: 13 January 2011, 16:46 »
I was going to fit my gti brakes today but the bottom caliper bolt I need to undo to swing the caliper up is rounded off good and proper. Tried hammering in an allen key bit and a torx bit but its not having it. I don't have a welder to welding on another bolt is out of the question. Any ideas?
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Offline emery1990

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Re: how do I get out a rounded off caliper bolt?
« Reply #1 on: 13 January 2011, 18:19 »
http://www.screwfix.com/prods/96028/Van-Car-Accessories/Sockets-Hex/Irwin-5-Piece-Bolt-Grip-Nut-Remover-Set?cm_mmc=GoogleBase-_-Datafeed-_-Van%20and%20Car%20Accessories-_-Irwin%205%20Piece%20Bolt%20Grip%20Nut%20Remover%20Set

Could try these, but arnt the caliper bolts 17mm, if so they prob do other sizes for sale. Mines opposite to yours and won't screw in, thats confusing!
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Offline tsr_adi

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Re: how do I get out a rounded off caliper bolt?
« Reply #2 on: 14 January 2011, 10:55 »
mine have a round head and are torx bits inside. I'm gonna try ramming a socket on it or maul grips. But in my experience they can be real tight  :angry:
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Offline LowlifeDubber

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Re: how do I get out a rounded off caliper bolt?
« Reply #3 on: 14 January 2011, 11:18 »
Warm it up and try and chisel it round?I might have a spare one here if you fluck it up proper.
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Offline alexd

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Re: how do I get out a rounded off caliper bolt?
« Reply #4 on: 14 January 2011, 12:38 »
Buy some extruders?
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Offline emery1990

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Re: how do I get out a rounded off caliper bolt?
« Reply #5 on: 14 January 2011, 15:42 »
Are they hardened steel, maybe you could get some small stilsons on it, will probs be too hard for the teeth to bite though
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Offline AudiA8Quattro

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Re: how do I get out a rounded off caliper bolt?
« Reply #6 on: 14 January 2011, 23:50 »
Irwin extractors will move anything.
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Offline Diamond Hell

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Re: how do I get out a rounded off caliper bolt?
« Reply #7 on: 15 January 2011, 08:59 »
Quote from: AudiA8Quattro on 14 January 2011, 23:50
Irwin extractors will move anything.

Or more likely shear off.  :grin:

Get some heat on it is probably your best bet...

Or go find a set of 280mm brakes, complete with the hubs and complete a worthwhile upgrade.
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Offline tsr_adi

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Re: how do I get out a rounded off caliper bolt?
« Reply #8 on: 15 January 2011, 10:21 »
Already bought vented 239mm discs and brembo pads now  :grin:

I've got some small stilsons, not sure if theres enough room in there to get a grip on though. I'l have to remove the rubber bit that surrounds it 1st...
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Offline sharki786

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Re: how do I get out a rounded off caliper bolt?
« Reply #9 on: 15 January 2011, 12:06 »
Quote from: Diamond Hell on 15 January 2011, 08:59
Quote from: AudiA8Quattro on 14 January 2011, 23:50
Irwin extractors will move anything.

Or more likely shear off.  :grin:

Get some heat on it is probably your best bet...

Or go find a set of 280mm brakes, complete with the hubs and complete a worthwhile upgrade.
+1
LOADS OF HEAT AS DH SAID!! but the extractors might take the bolt out
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