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Old 04-05-2012
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How f***ed am I

I was just changing out some plugs on my ranger and I stripped one of the cylanders where the plug goes in. It still goes in but is a lose fit now, what should I do?
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Old 04-05-2012
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Heli-coil it.
You'll blow the plug right out if you don't
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Old 04-05-2012
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yep get a helicoil. it will possibly fix it.


if that doesnt work, your gonna need a new head. (not cheap)
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Old 04-05-2012
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helicoil is fine not that hard
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Old 04-06-2012
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thats why when i take my truck in to have the tranny flushed, the dealer is changing out the original spark plugs lol
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Old 04-06-2012
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this is why you start the threads by hand.
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Old 04-06-2012
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Quote:
Originally Posted by 06RangerXLT View Post
this is why you start the threads by hand.
And most importantly, if you pull the plugs out of a warm engine that has aluminum heads, don't reef on the ratchet when you're putting them back in. A light snug down is all.

Cold aluminum heads, medium snug down on the spark plugs.


On a cast iron head, don't get all fussy, just put them in and snug them down well.
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Old 04-07-2012
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the hole can be welded up and remachined... or a new head. i personaly have never buggered up spark plug threads... but i have buggered up a few other holes in my lifetime.
a "time-sert" would be my first choice as its cheaper. and "I" would take the head off to do it, it can be done while on the motor. time-serts and heli-coils require drilling and tapping, plus the "tang" on the end of the heli-coil needs popped off. this alot safer to do head in hand.
good luck grasshopper!
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