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please some suggestions.

This is a discussion on please some suggestions. within the General Help forums, part of the LSx Technical Help Section category; I know this is a ls1 forum but i figure this might have happen to somebody here. Ok here is ...

  1. #1
    Member dav-02ws6-m6's Avatar
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    2002 trans am ws6

    please some suggestions.

    I know this is a ls1 forum but i figure this might have happen to somebody here. Ok here is the thing the tread of a motor mount bolt is almost completely gone on my sisters 03 tiburon to a point that when i pulled the bolt out some of the tread came out with the bolt. . What is there that i can do to fix it? it uses a 10 millimeter bolt

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    '02 WS.6 / '07 Suburban

    If it isn't too bad, you can run a thread chaser down it and then re-install the bolt using some anti-seize. Unfortunately, steel bolts and aluminum don't always play well together. Absent an easy repair, you need to probably drill and tap it to the next larger size, or heli-coil it. Can you get at it?

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    Former Mopar Man 2002ssslp's Avatar
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    02 Camaro SS, 04 GTO

    Do they still make heli coils ???
    My ride is a 2002 Camaro SS SLP #3296 with 30k, LTH, 3" Y, CME, Frost tune, K&N, ported TB, Blackwing lid, Bellows, MSD, Denso Iridium, and 85mm MAF, Bilsteins, Eibach springs, SLP strut brace, Adj. Panhard, TA Girdle, UMI, Pro 5.0, Nitto NT555
    My wife has a 2004 GTO with the rare SAP, 18" wheels, K&N Cold Air System, MSD, Ported TB, Frost tune, Denso Iridium, Flowmaster cat-back, 3200 Yank, 75k

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    I think NAPA carries them. Not sure about the other national chains.

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    Member dav-02ws6-m6's Avatar
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    2002 trans am ws6

    I checked at the auto parts and apparently the next seize bolt is the 12 millimeter which is pretty big compared to the 10 millimeter bolt i am afraid of producing a crack on the aluminum by drilling and re treading it. Yes i have some room to work around. How does the heli coil work?

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    You drill the hole out larger, tap it and then install a steel thread that looks a lot like a spring. The kit comes with the tap, installation tool, helicoil and instructions on the appropriate drill size. The parts stores will carry a small pack that may contain one or more helicoils - all the same size. Here is a link that will show you what they are: Helicoil | Helicoil Insert | Helicoil Inserts | Helicoil kit | Helicoil Thread Repair Kits | Heli-Coil | Helicoil India | Wire Thread Insert | Helicoil Manufacturers | Helicoil Suppler

  7. #7
    Member dav-02ws6-m6's Avatar
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    2002 trans am ws6

    I'm going to check it out today. Thanks for the help i truly appreciate it.

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    Member dav-02ws6-m6's Avatar
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    2002 trans am ws6

    Do i have to drill the hole before re treading it for the heli coil. If so what drill bit would i need to smooth the hole for a 10 m bolt?

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    The kit will tell you what drill size. Some kits even come with the drill bit included.

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    Former Mopar Man 2002ssslp's Avatar
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    It's easy. I use to do them all the time. With the supplied drill and tap you almost can't mess it up. Almost.
    pajeff02 likes this.

  11. #11
    Member dav-02ws6-m6's Avatar
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    2002 trans am ws6

    Thank you fellows, I manage to finish. I'm not going to lie it was one of the most stressful things i have done in a while. I didn't have enuff room to move around. Heck I had to use a pair of pliers to turn the drill bit but now everything looks straight. We'll see how long it last.

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    Former Mopar Man 2002ssslp's Avatar
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    Great job. If done correctly it should last forever.

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    Good job. Should be a permanent repair.

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    Member dav-02ws6-m6's Avatar
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    2002 trans am ws6

    Thanks.

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