Stripped Plug

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Oct 11, 2011 | 07:47 PM

SimpleMan

Thread Starter

Junior Member

Joined: Apr 2011

Posts: 21

Likes: 1

From: Plymouth MI

Stripped Plug

So my spark plug hole is stripped in my 4.9. I've been told lock tight or something like helix to re thread it. Any ideas or experience in this type of thing?

Oct 11, 2011 | 08:08 PM

brucecadieux

Member

Joined: Sep 2011

Posts: 34

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You need a heli coil

http://www.emhart.com/brands/heli-coil

Oct 11, 2011 | 08:10 PM

BLS

Senior Member

Joined: Jan 2011

Posts: 266

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From: Spokane, WA

You might get away with using a spark plug hole tapping tool. You just screw it in like a spark plug and it cleans the threads up. If that doesn't work, HeliCoil.

Oct 11, 2011 | 08:11 PM

SimpleMan

Thread Starter

Junior Member

Joined: Apr 2011

Posts: 21

Likes: 1

From: Plymouth MI

Do i have to remove the head?

Oct 11, 2011 | 08:40 PM

kc0rey

Old Bastard

Joined: Oct 2009

Posts: 587

Likes: 2

From: Macomb, IL

No to the head removal.

Go see your local NAPA Parts House. They have a ton of fixes, most based around the Helicoil insert. He'll know just what you need and your kit will include the special tools.

Oct 11, 2011 | 11:02 PM

SimpleMan

Thread Starter

Junior Member

Joined: Apr 2011

Posts: 21

Likes: 1

From: Plymouth MI

Thanks guys

Oct 12, 2011 | 09:49 AM

jrsdad98

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Joined: Mar 2011

Posts: 31

Likes: 0

Be extra careful not to get filings down into the cylinder. Anytime you do tapping and/or drilling on the spark plug holes, that is a risk.
Good luck.

Stripped Plug

Stripped Plug

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