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Thread: 2006 jeep hemi engine failure

  1. #1
    Senior Member MASTER BUILDER
    Join Date
    Oct 2003
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    144

    2006 jeep hemi engine failure

    I have a customer who has a 06 jeep gran ch. with the hemi v8.
    brought it in for a diag. we had found two cyl. with massive damage to the head and piston.
    failure was the valve seat, it seems they just fell apart and into the two cyls. ( exhaust)
    anybody see this before ? What might be the isuue?
    damn shame on a pretty new car.
    ????????????????????????????????????

  2. #2
    Senior Member DYNO OPERATOR
    Join Date
    Mar 2009
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    Booneville,Ms
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    The only problem I see is it's a MOPAR product LOL JK!!! Throw a sbc in it and all will be good!! :lol: :lol: :lol:

    Ask Mopar1968 he's a Mopar fan he'll know what to do!!

  3. #3
    Senior Member DYNO OPERATOR
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    Aug 2005
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    Rifle Colorado
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    585
    We've seen several in Dodge trucks with Hemi's. I'm pretty sure it starts with valve spring breakage and gets worse from there.... do an internet search and see what turns up.

    Later,
    Johnny

  4. #4
    Senior Member RACING JUNKIE mopar1968's Avatar
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    Dec 2006
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    Abingdon,Virginia
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    3,579
    To be honest we haven't seen anything at the Dealership where i work, Does sound like valve spring failure, I do know there is a tech sheet out to Dealers about over revving and breaking valve springs. Burns unlike a chevy they do run long enough to break, A chevy don't make it out of the garage.
    Head's up the true drag race!!

  5. #5
    Senior Member DYNO OPERATOR
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    Mar 2009
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    Booneville,Ms
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    Quote Originally Posted by mopar1968
    To be honest we haven't seen anything at the Dealership where i work, Does sound like valve spring failure, I do know there is a tech sheet out to Dealers about over revving and breaking valve springs. Burns unlike a chevy they do run long enough to break, A chevy don't make it out of the garage.
    Chevy's only go near garages when there owners park them in the parking lot to go work/fix mopars and fords!!! LOL :lol: :lol: :lol: JK All cars have to go to a shop to get fixed sooner or later!!


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