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Author Topic: Snapped subframe bolt  (Read 2914 times)
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Rosco
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« on: 06 March, 2018, 12:16:18 PM »

'lo lads and lassies.

Like a right eeyjit, I've only gone and snapped a front subframe bolt on my Zagato. It's the offside lower front one, and approximately a quarter of it is still up in the housing. Any advice/tips on removing it, other than 'good luck'?

Ta,

Ross.
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lancialulu
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Posts: 4902



« Reply #1 on: 06 March, 2018, 12:32:08 PM »

Drill the centre out and use an easy-out but if it is rusted in you will bust the easy out.

Second method is to carefully drill the centre out and use a taper tap to clean out the rusty bits of thread.

Very tedious. If you mess the thread you could use an insert repair.
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Its not the winning but taking part! or is it taking apart?
Lancias:
1955 Aurelia B12
1967 Fulvia 1.3HFR
1972 Fulvia 1600HF
1972 Fulvia Sport 1600
1983 HPE VX
1988 Delta 1.6GTie
1998 Zeta 21.  12v
Rosco
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Posts: 15


« Reply #2 on: 06 March, 2018, 12:34:34 PM »

Thanks Tim, that's what I planned to do but thought I'd check ';O)

After a couple of false starts and a house move north, the Zagato will finally be seeing some action this year. After some tic, of course.

Cheers,

Ross.
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davidwheeler
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« Reply #3 on: 06 March, 2018, 03:58:57 PM »

If you can get at it then weld a nut to it - the heat will help release it.   I am not convinced about easy-out, they always snapped for me increasing the problem.   If the bolt is buried then I drill it out as centrally as possible and then fiddle around to try to get our the rest or, if I have been very precise, pass a tap.   Usually I have gone a bit eccentric and then I can get a fine screwdrive in and lever the side of the bolt out of the thread.  Basically what lancialulu says in fact!   If you can get it very hot it helps but I cannot quite remember how it all goes together, it is a few months since I last had the subframe out.
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David Wheeler.  Lambdas, Aprilia, Fulvia Sport.(formerly Appia and Thema as well).
lancialulu
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« Reply #4 on: 06 March, 2018, 04:20:43 PM »

Ross

I guess it is buried? Be helpful to see a photo. Yes the Racing Z must come out to play this year!
Tim
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Its not the winning but taking part! or is it taking apart?
Lancias:
1955 Aurelia B12
1967 Fulvia 1.3HFR
1972 Fulvia 1600HF
1972 Fulvia Sport 1600
1983 HPE VX
1988 Delta 1.6GTie
1998 Zeta 21.  12v
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