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Author Topic: oh crap  (Read 7846 times)

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TheBoy

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Re: oh crap
« Reply #15 on: 03 January 2007, 18:43:41 »
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Cheers guys, really appreciate it  :y

Feeling a little bit better, TheBoy came around on his way back, HUGE thanks to him gunna start a thread on it.
Sorry I had to dash, Effone is on his way here to see if tech2 can pick up his misfire....

Though, to be honest, before going in like a bull in a china shop, worth thinking about problem for a few hours, rather than making things worse now....
« Last Edit: 03 January 2007, 18:44:34 by TheBoy »
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TheBoy

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Re: oh crap
« Reply #16 on: 03 January 2007, 18:45:39 »
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if your ever in Brackley or London, pints on me  :y

But only if he can get the beers at student bar prices ;D
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mar892ree

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Re: oh crap
« Reply #17 on: 03 January 2007, 18:49:41 »
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Cheers guys, really appreciate it  :y

Feeling a little bit better, TheBoy came around on his way back, HUGE thanks to him gunna start a thread on it.

So to summarise that nut goes though an alloy head to the oil cooler?  :o

Ok no drills!! - Thats prob best anyway i tend to snap the drill bits  :-[

Ok i think its best i replace the bolt, and not bodge job it back together as is.

Many thanks mar892ree for that part number, i'll be onto Vaux dealers in the morning!  :y - I am guessing as TD says its a left hand thread, and that's why i sheared it?

------------------

Ok methods for getting that bugger out:

Hit the front of it with a chisel, to create a groove. Then get a flat head screw driver and twist. See if it comes out...

Can anyone confirm it is a left hand thread? If so I & TB would have been twisting it with some long nosed plyers the wrong way?

------------------

Again many thanks guys for all the comments, if your ever in Brackley or London, pints on me  :y



Theres no oil cooler mate on a 2.2 ! Just the alloy head ! They have a heat exchanger on the oil filter assy !
I very much doubt if putting a slot in the end of the screw will do any good, but you can try ! The shock of hitting it may even crack the corrosion locking the broken bit in to the head !
I also doubt very much if its a left hand thread ! If you think about it, when bolt/screw is inserted into the broken screw to lock of cable tray, it would undo the broken screw !!

How much is sticking out of the cover/head ! If you have 6mm + sticking out you may be able to get a stud extracting socket onto it !
In reality i think the only real way to emove it , is to drill the bloody thing out, but if you take this course i'd pay to have it done properly !
Hey, whatever happens as long as you dont hit it too hard etc , you wont make it any worse !

Good luck and let us know what happens OK mate
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tunnie

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Re: oh crap
« Reply #18 on: 03 January 2007, 18:51:47 »
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Cheers guys, really appreciate it  :y

Feeling a little bit better, TheBoy came around on his way back, HUGE thanks to him gunna start a thread on it.
Sorry I had to dash, Effone is on his way here to see if tech2 can pick up his misfire....

Though, to be honest, before going in like a bull in a china shop, worth thinking about problem for a few hours, rather than making things worse now....

No problem, i really appreciate you coming around in the first place  :y

If it is a left hand screw, maybe some WD40 over night, and try twisting it the other way with the long nosed plyers in the morning :-/
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mar892ree

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Re: oh crap
« Reply #19 on: 03 January 2007, 18:52:08 »
Tunnie , you could even try that freeze release spray, that Amersil and Loctite make !
Its brilliant stuff, but make sure your engine is COLD !
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TheBoy

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Re: oh crap
« Reply #20 on: 03 January 2007, 18:52:10 »
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How much is sticking out of the cover/head ! If you have 6mm + sticking out you may be able to get a stud extracting socket onto it !
couple of threads max...
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tunnie

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Re: oh crap
« Reply #21 on: 03 January 2007, 18:56:38 »
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if your ever in Brackley or London, pints on me  :y

But only if he can get the beers at student bar prices ;D

might have to fake some I.D's to get into the student bar  ;)
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mar892ree

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Re: oh crap
« Reply #22 on: 03 January 2007, 18:56:59 »
Oh well thats the stud extraction socket idea out of the window !

My recomendation is the freeze release spray, and try slotting the end of the broken screw !

Cant hurt or make things worse now !

Although i do think Tunnie will end up having it drilled out, but hope not !

I imagine its corroded in to the alloy haed, steel fixings in to alloy makes for exceptional Galvanic reaction !
Especially when , hot, cold, hot cold etc and a little moisture too !

Maybe wort noting FOR EVERYONE, that when ever you remove a fixing, coat threads in the slightest smear of copper grese, this has a dramatic reducing effect on Galvanic reaction.
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tunnie

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Re: oh crap
« Reply #23 on: 03 January 2007, 19:00:28 »
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Tunnie , you could even try that freeze release spray, that Amersil and Loctite make !
Its brilliant stuff, but make sure your engine is COLD !

Does that freeze the bolt so its brittle?

As TB says barely 2mm is free  :(

What do you think to hitting it with a chisel to create a groove? - I don't get on well with drills, i all always snapping the bits  :-[
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mar892ree

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Re: oh crap
« Reply #24 on: 03 January 2007, 19:06:57 »
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Tunnie , you could even try that freeze release spray, that Amersil and Loctite make !
Its brilliant stuff, but make sure your engine is COLD !

Does that freeze the bolt so its brittle?

As TB says barely 2mm is free  :(

What do you think to hitting it with a chisel to create a groove? - I don't get on well with drills, i all always snapping the bits  :-[


No not at all, its designed to crack the corrosion holding bolts /studs in !

Make sure if you use this stuff, you buy the proper stuff, not the pipe freeze from DIY stores !

Also worth noting, what ever you do, you are only going to get one shot at doing this !
Once done and if you fail to remove it, you will have to go the drill route !
I personally would never entertain using stud extractors of the kind that are screwed in to a pre dilled hole in centre of broken screw/bolt/stud!
If these break, you are BUGGERED ! And its new head time unless you know antone that has a portable wire erosion machine ?
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JamesV6CDX

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Re: oh crap
« Reply #25 on: 03 January 2007, 19:15:35 »
Am I correct in thinking, all this bolt does, is hold the cambelt cover tight?

If it was me, and I couldn't get it out, I'd fabricate something, probably with cable ties, but don't listen to that, because I'm an Animal, and you've got a nice car :D
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tunnie

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Re: oh crap
« Reply #26 on: 03 January 2007, 19:19:59 »
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Quote
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Tunnie , you could even try that freeze release spray, that Amersil and Loctite make !
Its brilliant stuff, but make sure your engine is COLD !

Does that freeze the bolt so its brittle?

As TB says barely 2mm is free  :(

What do you think to hitting it with a chisel to create a groove? - I don't get on well with drills, i all always snapping the bits  :-[


No not at all, its designed to crack the corrosion holding bolts /studs in !

Make sure if you use this stuff, you buy the proper stuff, not the pipe freeze from DIY stores !

Also worth noting, what ever you do, you are only going to get one shot at doing this !
Once done and if you fail to remove it, you will have to go the drill route !
I personally would never entertain using stud extractors of the kind that are screwed in to a pre dilled hole in centre of broken screw/bolt/stud!
If these break, you are BUGGERED ! And its new head time unless you know antone that has a portable wire erosion machine ?

Hummm  ::)

Not looking forward to getting this little git out  >:(

The other option, more of a bodge job is to leave it. There are 2 other screws which hold the cam cover on.

This nut does it hold that metal back plate on? As far as i could see there are 2 other nuts at the top which also hold this plate. What would happen if i did not replace the nut?
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tunnie

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Re: oh crap
« Reply #27 on: 03 January 2007, 19:22:13 »
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Am I correct in thinking, all this bolt does, is hold the cambelt cover tight?

If it was me, and I couldn't get it out, I'd fabricate something, probably with cable ties, but don't listen to that, because I'm an Animal, and you've got a nice car :D

Thats what i was wondering James.. as said 2 other nuts hold it one.

This one i buggered, holds it in the middle and supports the bottom of the cable tray (not a big worry)

There will be a gap due to the nut not being there, if thats sealed to prevent anything getting it. Is there any possibility of that back plate getting loose and rubbing against the belt?
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mar892ree

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Re: oh crap
« Reply #28 on: 03 January 2007, 19:27:29 »
I think your correct Tunnie there are two ther fixings holding the top part of the back plate, well not the back plate but the seperate top section that covers the cam gears/pullies !


If the rear cover is stable, i'd forget about the bloody thing !

As far as i am aware, the rear cover CAN NOT come in to contact with the cam belt ! Maybe, if the rear cover moved or flapped forward enough, it may touch and rub the backs of the came belt gears/pullies, but to me thats no problem !!! Does that also make me an animal   ;D

Just acess the situation, if backplate is quite secure, leave the dammed thing!
But as Jammie is on hand, talk it through with him, when he can next come over and have  a better look
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Marks DTM Calib

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Re: oh crap
« Reply #29 on: 03 January 2007, 19:32:27 »
Well, if it was me, I would have the cam cover and cambelt off to remove the backing plate, that will expose a fair chunk of thread.....apply some Rust-off and wind it out.....

Watch the drilling technique.......you dont want swarf in th cambelt area....

Ow yes.....[size=16]You Muppet![/size]
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