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[Shop-talk] Replacing a damaged helicoil

To: <shop-talk@autox.team.net>
Subject: [Shop-talk] Replacing a damaged helicoil
From: Jim Stone <jandkstone99@msn.com>
Date: Fri, 25 Feb 2011 18:12:17 -0600
The aluminum head on my Alpine was repaired at some point in the past with a
helicoil insert.  I am in the midst of replacing the intake manifold and the
coil threads seem to have been damaged (I believe the end of the coil is bent)
so I need to remove the old one and insert a new one.   I really do not want
to have to remove the head and am hoping I can just do with with the head
still installed.  I have never worked with helicoils before, but the process
seems simple enough.  However, there is not much online on removing them.
Does anyone here have any suggestions or advice?  I see that there is a
removal tool out there, but that seems like overkill for one coil.  Can I use
a screw extractor?  Bend the end of the coil more and unscrew it with a needle
nose pliers?  Any recommendations or suggestions will be appreciated.

Thanks.
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