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  1. #1
    Join Date
    Apr 2014
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    Default Expansion Nuts/Nutserts

    It seems the 2 rear bolts on the engine/transmission skidplate have both worked loose (lost 1 bolt, one nutsert, the other seems rather damaged). It also seems the expansion nuts/nutserts have gone the same way.

    Does anyone know where I can buy replacements as it does not seem to be a stock item readily available locally that I can find.

    Appreciate the assistance.

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    '05 Jeep Grand Cherokee 3.0 CRD Laredo (WK)

  2. #2
    Join Date
    Mar 2008
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    Default Re: Expansion Nuts/Nutserts

    If you can get your hand behind the skidplate, just use nylock nuts.
    Jakes Louw
    2012 Jeep Sahara Unlimited 3.6 V6
    Percivamus

  3. #3
    Join Date
    Apr 2014
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    Default Re: Expansion Nuts/Nutserts

    Quote Originally Posted by jelo View Post
    If you can get your hand behind the skidplate, just use nylock nuts.
    Unfortunately nylock nuts will not work as the crossmember that the rear bolts attach to is enclosed and you cannot get a spanner in to hold the nylock nut in place.
    '05 Jeep Grand Cherokee 3.0 CRD Laredo (WK)

  4. #4
    Join Date
    May 2016
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    Default Re: Expansion Nuts/Nutserts

    The stresses applied to the nuts are obviously too high, and a new insert will probably fail as well.
    I would fabricate a steel plate that spans the two bolts and the holes for the skid plate (the two existing bolts will probably have to be replaced with longer ones).
    You can then weld two nuts to the plate, top or bottom, depending what works out best - I would ream the 'broken' holes to accommodate nuts on the top side of the plate, to fit in the reamed holes.
    "Nothing in the world is more dangerous than sincere ignorance and conscientious stupidity" - Martin Luther king Jr

    2006 VW Touareg V10 (Sold)
    2002 Mitsubishi Pajero 3.2 Di-d SWB

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