Drift_Erm
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Registered: 29th Mar 10
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Managed to sheere the 3 blts in the gearbox holding it to the mount on my B Gsi, wondering if anyone had any ideas about where i could get new mounts from, as i have elonggated the holes, and also, could these bolts be drilled out, or is the gearbox gonna have too come out to drill them?? have removed rad etc etc to make room, but not sure if a hand drill would do it!??
cheers
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Havoc
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Registered: 9th Aug 10
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i think i have a spare mount if needs be, you could try a diamond tipped drill bit
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Drift_Erm
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Registered: 29th Mar 10
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Yeah i could perhaps, arent there two types of mount fcor the B? not sure what type i will need! + how much you want for it? after driveshaft (short side) too if you have any ideas, or if you have apsare one of those too?lol pushing my luck!!
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alan-g-w
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Registered: 9th Nov 07
Location: Glasgow
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what you want is a widia tipped drill, I've yet to come across a diamond tipped straight shank drill
[Edited on 19-11-2010 by alan-g-w]
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Fro
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Registered: 20th Jun 06
Location: Rainham, Essex Drives: A3 2.0TDi Sport
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when i sheared a bolt in my gear box i sprayed it up then drilled into the centre with a small drill bit and used a tap and dye set to get it out.
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alan-g-w
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Location: Glasgow
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do you not mean eazi outs fro?
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Fro
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Registered: 20th Jun 06
Location: Rainham, Essex Drives: A3 2.0TDi Sport
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Nope 
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alan-g-w
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Registered: 9th Nov 07
Location: Glasgow
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Why did you drill and tap a bolt out? And a die is for putting a thread on a bolt 
[Edited on 19-11-2010 by alan-g-w]
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Fro
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Registered: 20th Jun 06
Location: Rainham, Essex Drives: A3 2.0TDi Sport
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ignore the die bit i couldnt remember which one it was, but i defo used a tap, two secs will get pics.
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Fro
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Location: Rainham, Essex Drives: A3 2.0TDi Sport
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[Edited on 19-11-2010 by fro-dizzle]
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gazza808
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Registered: 30th Jun 08
Location: Peterborough
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Depending how it sheared don't use an easy out, cause if that snaps in it you've got no chance, unless you spark erode it,.
I'd try punching them round first, if not drill em out using a carbide drill, and tap em out, or helicoil em if you get it off centre.
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sxibeast
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Registered: 6th Aug 03
Location: Milton Keynes
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Aaah this thread has just reminded me of the joy i have coming up! I sheared a bolt off on the gearbox mount that sits under the car! Aswell as trying the punch trick, i used an easy out (largest i could get in the bolt and that sheared off as well! Might have another go at sorting it out this weekend! Joy!
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alan-g-w
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Registered: 9th Nov 07
Location: Glasgow
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ah right fro, wouldn't have thought that'd work. How did you manage to stop the tap from just unscrewing though?
Whenever I've had to deal with a rounded off bolt I've just drilled down the centre of the head and unscrewed it at that. Namely a head bolt on an XE, total pain in the arse.
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Fro
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Registered: 20th Jun 06
Location: Rainham, Essex Drives: A3 2.0TDi Sport
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The tap was going deeper in when being turned left with a bit of a push which was the way the bolt needed to go. I always thought they go clockwise but meh it worked
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alan-g-w
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Registered: 9th Nov 07
Location: Glasgow
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Left handed tap then, lucky boy lol. Just don't go trying to repair any standard threads with them though
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Fro
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Registered: 20th Jun 06
Location: Rainham, Essex Drives: A3 2.0TDi Sport
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must have picked up a left handed one by accident
Not touched it since like most tools i buy for odd jobs
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DERV-POWER
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Registered: 13th Sep 09
Location: Greenfield, Flintshire
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haveyou got access to a mig welder
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Ben G
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Registered: 12th Jan 07
Location: Essex
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whenever a bolt sheers off in a crank in work we just scrap the whole engine 
but yes, what fro done is the best way of doing it yourself really.
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gazza808
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Registered: 30th Jun 08
Location: Peterborough
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quote:
Originally posted by Ben G
whenever a bolt sheers off in a crank in work we just scrap the whole engine
but yes, what fro done is the best way of doing it yourself really.
Really? Who do you work for?
I've removed fair few snapped flywheel bolts/ helicoiled fair few tapped holes in cranks, bummer of having vauxhall garage next to my work.
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corsadonk
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Registered: 4th Jul 09
Location: Marlborough, Wiltshire
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Try drilling it on undone with a hammer setting.
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gazza808
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Registered: 30th Jun 08
Location: Peterborough
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quote:
Originally posted by corsadonk
Try drilling it on undone with a hammer setting.
Most common drills are fluted to cut/ turn clockwise, so this will just rub, heat the bolt up and make it harder, and shag ya drill bit.
[Edited on 19-11-2010 by gazza808]
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corsadonk
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Registered: 4th Jul 09
Location: Marlborough, Wiltshire
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Yeah I know.
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