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Broke a spark plug

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tom

09-26-2002 13:39:53




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any ideas how to remove a broken spark plug from cylinder head ??




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whip

09-27-2002 16:18:02




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 Re: broke a spark plug in reply to tom, 09-26-2002 13:39:53  
Tom,
A old trick in the engine runs ,get it hot and put a air impac on it and the plug will come out, work it back and forwards. If it does not run spray it and do the same thing ,let the spray work into the threads.
This is what we had to do to get spark plugs out of trucks and cars. My pennies worth



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Tom in Mo.

09-26-2002 17:12:50




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 Re: broke a spark plug in reply to tom, 09-26-2002 13:39:53  
It's just my opinion but I beleive an easy out will also break. I broke off a spark plug in each head of a 830 LP. Received advice, and decided to pull the heads to do it right.
I was told to hook a compressed air connection to the exhaust pipe and with the exhaust valve open, to blow air out the plug hole while drilling out the shell. This may work well but with my luck a metal chip would get away.
If it's a good tractor pull the head and do it right.

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Larry

09-26-2002 14:58:18




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 Re: broke a spark plug in reply to tom, 09-26-2002 13:39:53  
If the threads from the plug is the only the in the hole you probably could get it out with an easy out.



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doug b

09-26-2002 21:03:06




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 Re: Re: broke a spark plug in reply to Larry, 09-26-2002 14:58:18  
pack an oiled rag tightly into the cylinder,then use a sharp 3 corner file to cut through the threads in three evenly-spaced spots. then use a sharpened punch or o-ring pick to remove the three segments of spark plug thread. chase the threads in the head with a spark plug tap, clean out the shavings with a magnet, pull out the oiled rag, start the engine without a plug in that cylinder[so the compression pressure blows out any remaining particles] and you are done in fifteen minutes. i have done this countless times without a problem in my repair shop. and dont worry about the three small file grooves in the head threads... the plug seals around the top only. i have even done this on a very high compression engine and never had any comebacks. good luck!

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tom

09-28-2002 11:51:14




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 Re: Re: Re: broke a spark plug in reply to doug b, 09-26-2002 21:03:06  
thanks for all the suggestions but doug b;s idea worked for me without any problems one well worth remembering thank doug



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tom

09-28-2002 11:50:51




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 Re: Re: Re: broke a spark plug in reply to doug b, 09-26-2002 21:03:06  
thanks for all the suggestions but doug b;s idea worked for me without any problems one well worth remembering thank doug



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