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Both Exhaust Manifolds Leaking on 2014 6.4

Discussion in 'Heavy Duty' started by mtofell, Sep 9, 2019.

  1. mtofell

    mtofell Senior Member

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    Took my 2014 6.4 with 90K in for an oil change and asked them to listen when it's cold as it's been making some noise. Just got a call that both exhaust manifolds are leaking and need to be redone. The dealer acted stunned and said they had never seen it on the 6.4, only the 5.7 but I'm pretty sure I've read about several cases of the 6.4 on here. I have one of the older 6.4s at 5+ years so this could turn into a common thing as more of them age.

    Lifetime Maxcare covers it otherwise I'd be looking at $2200 so I guess the good news is my warranty just paid for itself. Anyway, just thought I'd make a post here in case others experience the same thing.
     
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  2. NewBlackDak

    NewBlackDak Senior Member

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    My driver’s is leaking(80K miles). It’s not bad enough to force me to replace it yet. I’ll be going ARH headers when it is.
    I don’t know why they wouldn’t expect it. It’s same parts and construction.


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  3. Ionicbrick

    Ionicbrick Senior Member

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    Interesting. I’ll be following this thread to see if others have had this issue.


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  4. RamminMopar

    RamminMopar Member

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    Are the ARH bulletproof?
     
  5. NewBlackDak

    NewBlackDak Senior Member

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    Can’t be worse than stock, right?


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  6. Iron Outlaw

    Iron Outlaw Senior Member

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    So is that $2500 for new manifolds or is that what they want to do gaskets?
     
  7. mtofell

    mtofell Senior Member

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    Not sure... they just said to "fix it". They did say it will take a couple days to get the parts but I suppose that could be the whole manifold or the gasket. I'll check when I pick it up and let you know.
     
  8. ICEMANFiZ

    ICEMANFiZ Junior Member

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    Mine been doing this for a year when it’s cold. If you put in drive/reverse it’s even louder. Maybe I should take into shop while I still have warranty myself...


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  9. Killerb

    Killerb Member

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    Such a common issue, glad warranty is working for you.
     
  10. 68PowerWagon

    68PowerWagon Senior Member

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    My 16 started doing it about 6 months ago, but when hot not cold. I think I am going to do as above stated & put ARH Headers on it when I get it fixed. Want to re-gear first, so hopefully it will be alright for another year.
     

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