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broken spark plug

Old Jan 8, 2005 | 02:53 PM
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sph
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Default broken spark plug

hello i am new to this forum the problem i have is one of the spark plugs snapped off in the head the car is a 1995 interga ls 4door with the non-vtec engine i was wondering if anybody out there has experience my bad luck and how did you fix it
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Old Jan 8, 2005 | 04:27 PM
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I had something similar with a compression tester that broke off inside the hole. I had to remove the head and $200 later, a machine shop managed to remove it and rethread it. See if you can get it out with a spark plug socket and then a magnetic pickup tool. If you can't get to it with a spark plug socket, you may have to remove the head and take it to a machine shop and have them remove it for you.
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Old Jan 8, 2005 | 05:44 PM
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Damn that sucks big time, i hope i never run into that problem
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Old Jan 8, 2005 | 06:24 PM
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what broke exactly, did metal with the threads break and the WHOLE ceramic piece of the plug come out or did it snap in half? i have taken a plug out that broke and was lucky that the whole piece of ceramic came out(only the threads were left). here is what i did - only do this if you can clearly see NO ceramic and you can see through the hole into the cylinder(you could see the piston). if there is any ceramic left, do not attempt this:

get a large flat head screw driver, wd40 or penetrating lube, hammer, and a large slip joint pliers or pipe wrench(best to use the wrench), and another person.
if you look down in the spark plug hole, you should see what is left of the plug(from now on i will refer to it as the plug). spray some penetrating lube in there and let i stit for a good while. also, make sure the screwdriver does not fit into the hole of the plug. it should be a little bit bigger than the hole. place the screwdriver on top of the plug, and lightly tap the end of the screw driver as to create a notch in the plug. remember, the head is aluminum and any excessive force will damage the head, so go lightly and increase force until you create a notch. now, once that notch is created(should be fairly deep into the plug, but not far enough that its close the the head, use the other plugs that are of the same make to average it) your set. with the screw driver in the notch you created, try turning it by hand. if this does not work, get the other person, put the pipe wrench on the handle of the screwdriver, and have the other person use the pipe wrench as to turn the screw driver and while they are turning it(have them go slow and increase the pressure slow), and YOU should hold the screwdriver straight and tap the end of the screwdriver if needed. if it does not budge, spray more penetrating lube, and try again. DO NOT USE EXCESSIVE FORCE WHEN HAMMERING AT ANY POINT. be patient, very patient, and be aware that you can damage the plug(whats left of it) and the cylinder head so only attempt doing this if you feel confident with it.

i don't take credit for ANY damage done if you attempt this method. it is only a suggestion and if you don't see doing this, then you need to remove the head from the car. and when you get the new plugs in, use high temp antisieze and torque the plugs to 13 ft*lbs.

btw, make sure nothing solid falls into the cylinder(litltle metal pieces and such from anything) cuz it will damage your engine.
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