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Author Topic: HELP! Crank Shaft Bolts Broken! can anyone help!?  (Read 2705 times)

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Kevin Wood

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Re: HELP! Crank Shaft Bolts Broken! can anyone help!?
« Reply #15 on: 23 November 2010, 16:29:34 »

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Personally I would leave the engine in place and extract the broken bolts, then buy new correct high tensile bolts and put the whole lot back together with appropriately applied loctite.  Admittedly this is risky, at a guess it stands a 50/50 chance of working, so on your own head be it, but personally I'd take those odds.  Depends partly on how much cash you have available and whether you want to risk having to take it all apart again.
Alan

If a check is made for obvious damage to the flywheel, crank and the threads in the crank I can't see why it would be risky. It makes sense to try remopval of the studs before committing to the much larger project of removing the engine and stripping down the whole bottom end to change the crankshaft.

Not to mention sourcing a replacement crankshaft, removing it from the donor, checking it, perhaps getting it ground / polished, and new bearing shells to suit...

Kevin
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ROBZERIO

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Re: HELP! Crank Shaft Bolts Broken! can anyone help!?
« Reply #16 on: 23 November 2010, 18:19:26 »

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Quote
http://www.facebook.com/album.php?aid=103682&id=513668724&saved


These are a few pics of her and of the problem so as to give you a better idea of what happened..  :-/

If you could host your pictures somewhere other than facebook .......   ;) A lot here don't have an account, myself included.  :y


Ooops sorry!  :-[
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Andy B

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Re: HELP! Crank Shaft Bolts Broken! can anyone help!?
« Reply #17 on: 23 November 2010, 18:45:58 »

Quote
Quote
Quote
http://www.facebook.com/album.php?aid=103682&id=513668724&saved


These are a few pics of her and of the problem so as to give you a better idea of what happened..  :-/

If you could host your pictures somewhere other than facebook .......   ;) A lot here don't have an account, myself included.  :y


Ooops sorry!  :-[

Don't worry about it though  ;) ;)
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Marks DTM Calib

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Re: HELP! Crank Shaft Bolts Broken! can anyone help!?
« Reply #18 on: 23 November 2010, 18:53:59 »

Its a flex plate so low risk, leave the engine in, drill the bolts and use a stud extractor to remove the remnants.

There cant be much damage to the threads because most of the bolt is still in place!

Does the input shaft and output shaft to the gearbox turn ok?
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Andy B

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Re: HELP! Crank Shaft Bolts Broken! can anyone help!?
« Reply #19 on: 23 November 2010, 18:58:47 »

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Its a flex plate so low risk,  .......

So ..... someone actually read the first post properly. I'd missed it was a proper 2 pedal car.  ;D  ;D  ;D  ;D

must've been the grey type
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fiend61

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Re: HELP! Crank Shaft Bolts Broken! can anyone help!?
« Reply #20 on: 23 November 2010, 22:50:38 »

here are some of his pics  :y

[IMG]http://i1133.photobucket.com/albums/m585/Roger_Short/omega/6532_123379138724_513668724_2445355_1014215_n.jpg[/IMG  :)
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fiend61

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Re: HELP! Crank Shaft Bolts Broken! can anyone help!?
« Reply #21 on: 23 November 2010, 22:53:54 »

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fiend61

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Re: HELP! Crank Shaft Bolts Broken! can anyone help!?
« Reply #22 on: 23 November 2010, 22:57:46 »

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fiend61

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Re: HELP! Crank Shaft Bolts Broken! can anyone help!?
« Reply #23 on: 23 November 2010, 23:00:03 »

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fiend61

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Re: HELP! Crank Shaft Bolts Broken! can anyone help!?
« Reply #24 on: 23 November 2010, 23:01:07 »

wow first time i have done that  ;D ;D ;D ;D
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Andy B

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Re: HELP! Crank Shaft Bolts Broken! can anyone help!?
« Reply #25 on: 23 November 2010, 23:10:26 »

As said, use a stud extractor/easy-out to remove the sheared bolts, clean up any burrs on your flex plate & boss, use new bolts & you'll be fine.  :y :y :y
My only explanation is that they came loose, as they did on an auto Carlton I had years ago. Mine was discovered before any damage had been done.
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ROBZERIO

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Re: HELP! Crank Shaft Bolts Broken! can anyone help!?
« Reply #26 on: 24 November 2010, 08:40:28 »

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wow first time i have done that  ;D ;D ;D ;D

haha cheers I wouldnt have thought of doing that myself so cheers! xD :y
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Re: HELP! Crank Shaft Bolts Broken! can anyone help!?
« Reply #27 on: 24 November 2010, 09:20:32 »

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As said, use a stud extractor/easy-out to remove the sheared bolts, clean up any burrs on your flex plate & boss, use new bolts & you'll be fine.  :y :y :y
My only explanation is that they came loose, as they did on an auto Carlton I had years ago. Mine was discovered before any damage had been done.

I even took the car to my local garage before all the bolts snapped, it sounded like there was one bolt that came loose and was stuck on the flywheel/torque converter coming to think about it now, but the mechanic was 'too busy' to have a proper look!! but hey even he thought like me it was just a vacuum pipe hissing (but from the bottom of the engine!! (mmm bizarre) anyway it got so bad the car had difficulty starting as time went on and when I put it in drive it lurched forward more than usual with a slight delay so I knew it was losing drive especially when it felt like 'the cluch' was slipping but it cant when hasnt got one so I knew the flywheel was damaged in some way, anyway as I was on my way back to the garage I got to the mechanics slip road, I put the smallest of accelerations into the pedal but then it was like I was on the D-day landing beaches with bullets flying around my head as all 6 bolts we being churned up inside the box!!!

Anyway im going to do what you said with regards to the removal of the bolts and get a new flywheel/bolts and those 'spacers'? I actually went to a VX dealer in the UK last year and they said one part was discontinued! I think it was one of the spacers on the engine side so im a bit 'dangle berries'ed without that! ha! Fingers crossed I hope this works! Cheers to you and all of the other great people here for you inputs
much appreciated! =)  :y :y :y :y

Got to keep these great cars on the road!! (Shame I got a dog though!!)
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Kevin Wood

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Re: HELP! Crank Shaft Bolts Broken! can anyone help!?
« Reply #28 on: 24 November 2010, 09:37:19 »

If any bits are hard to get hold of, or silly money new, there are always cars being broken for spares here.  :y

Yeah, loose nuts and bolts getting churned up in the bellhousing is never a pleasant sound. ;D

Kevin
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Psychoca

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Re: HELP! Crank Shaft Bolts Broken! can anyone help!?
« Reply #29 on: 24 November 2010, 09:45:09 »

I would take a guess and say that at some point the drive plate has been removed and replaced using the same bolts.

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