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Snapped Spark Plug And Snapped Ezy Out In My Block

just kris

By just kris,
in General Automotive Discussion

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jiffo Mentor

jiffo

Posted
Posted

Nope you've really buggered that one.

Toss those crap easy-outs in the bin so you're never tempted to use them again.

There are stud removing tools specifically designed for the job but now you've that got a bit of hardened steel stuck down there, the head will have to come off.

They'll MIG weld to the remains of the plug and hopefully the broken plug complete with easy-out will come out.

Tidy up the spark plug threads and job done, apart from the cost.

FBRacing Rising Star

FBRacing

Posted
Posted

Speaking from personal experience the head will come off. No way around it. Like the guy above ^ said, always use anti-seize on your plugs. Those threads are getting exposed to some high heat explosions in the cylinders. They'll tend to want to weld themselves to the aluminum head.

jiffo Mentor

jiffo

Posted
Posted

Common reason for seized plugs is the plug not tight enough which allows combustion gases up around the threads.

Your plug threads should come out clean, not coated in carbon soot.

A match head dab of Never Seize on the thread should also be standard practice.

scotty nm35 Grand Master

scotty nm35

Posted
Posted

Anti seize works well, but try to stay away from Denso plugs or anything with stainless threads, they gall up threads even when installed correctly.

You can die grind the easy-out with a carbide burr, but it's a head off job. Can you borrow some tools and diy?

beemae30 Proficient

beemae30

Posted
Posted

Yeah your screwed. Head off no way around it, the only way to drill out an easy out is a carbide drill bit and that will make a mess inside your pot. That's if it doesn't destroy your thread/ head everything it the near radius.

portaz Mentor

portaz

Posted
Posted

Doesn't look good but if you are going to try get a professional mobile thread repair guy, I wonder if there is a possibility of spot welding something to it like the panel shops use? Don't mean to give false hope just a thought.

Scott

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