There are a few thread repair products available...
I've never had a great love for the wound wire concept Heli-coil came up with....
In my shop I use a product call Keensert, that drive 4 sharp splines into the outer threaded hole which prevents the threaded insert from backing out.... I've never had a situation like yours with this product...
Here is a comparison of the three leaders...
Heli-Coil® | Keensert® | Keysert® | Acme | Comparing threaded inserts
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Metalman Well-Known MemberLifetime Supporter
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What year and model please. -
Love the video!
[ame="https://www.youtube.com/watch?v=PY93544H1V0"]Acme Keylocking Threaded Insert for Thread Repair vs Heli coil Inserts - YouTube[/ame] -
The hole made for the helicoil has now made it oversized for a Time-Sert to work. They do make a "Big-Sert" to address that. I've just bought the kit but have yet to correct my helicoil "repair".
Big-Sert tool - Amazon.com: Big-Sert OverSized Spark Plug kit M14x1.25 p/n 5141S: Automotive
Inserts - http://www.amazon.com/gp/product/B00IXQIQ9U