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post #1 of (permalink) Old 08-04-2001, 11:19 AM Thread Starter
 
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Loose plug

I have a 1988.5 stock Sammi with 96,185 miles. Number 3 spark plug seems to have stripped threads, when I try to tighten it past a certain point it gets loose again. Has anyone had this problem and is there a solution besides taking the head off. I bought it new and never had a problem with it besides replacing battery and exhaust system, still has the original headlights! Engine is running to good to take apart. TIA

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post #2 of (permalink) Old 08-04-2001, 11:31 AM
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Re: Loose plug

If you're up for the challenge you can stick some heali coil in there but might to do that you should remove the head I know some people who have done this without removing the head but they risk damaging the piston, valves and cylinder walls

when removing the burrs from the combustion chamber simply start the motor with the plug removed and hope that they all exit through the hole, this is not the best way but if done right can be done quicker than removing the head. at worst the head might have to be replaced

mike

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post #3 of (permalink) Old 08-04-2001, 11:46 AM
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Re: Loose plug

Did you try to run a spark plug chaser through? I have had problems with plugs before and chased them and they were ok. If that doesn't do it then the helicoil idea of szabotage is the next best bet. Good luck. Jim

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post #4 of (permalink) Old 08-04-2001, 12:01 PM Thread Starter
 
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Re: Loose plug

Please explain "spark plug chaser". Thanks for the responses. It seems that it would be better if I took the head off but it's running so good and the bolts have never been off from the exhaust and intake sure hate to break one. Five dollar projects always seem to get out of hand and cost me a bundle. Thanks.

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post #5 of (permalink) Old 08-04-2001, 12:19 PM
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Re: Loose plug

Here is a pic of it. It has two diameters with a hex for a spark plug wrench in the middle. Jim

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post #6 of (permalink) Old 08-04-2001, 12:21 PM Thread Starter
 
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Re: Loose plug

Picture is worth a 1000 words! Now to the parts store. Thanks

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post #7 of (permalink) Old 08-04-2001, 09:22 PM Thread Starter
 
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Re: Loose plug

Got a chaser at Autozone for $5.99. Didn't completely repair the problem but it was a good quick fix. I was able to get enough threads to get a snug fit on the plug. I'll have to be careful from now on but it was only due to my carelessness. Again Thanks for the help. Ray

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post #8 of (permalink) Old 08-04-2001, 09:43 PM
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Re: Loose plug

Figured it would be worth the try. Glad it worked for you. Jim

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post #9 of (permalink) Old 08-05-2001, 03:07 PM
 
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Re: Loose plug

Don't forget to use antiseize compound on the plug threads!

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post #10 of (permalink) Old 08-05-2001, 03:32 PM
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Re: Loose plug

a picture IS worth a 1000 words BUT it takes up 10000 times the memory!

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