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Author Topic: Snapped subframe bolt  (Read 339 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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« 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?
1955 Aurelia B12
1967 Flavia Vignale iniezione
1967 Fulvia HFR
1972 1600 HF
1972 1600 Fulvia Sport
1978 Transformer HF3000 Strato's replica
1979 2500 Gamma Coupe
1988 Delta 1.6GTi.e.
Rosco
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« 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?
1955 Aurelia B12
1967 Flavia Vignale iniezione
1967 Fulvia HFR
1972 1600 HF
1972 1600 Fulvia Sport
1978 Transformer HF3000 Strato's replica
1979 2500 Gamma Coupe
1988 Delta 1.6GTi.e.
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