One more rear end question

Discussion in 'Dodge Charger SRT Hellcat' started by usmc341, Jul 12, 2015.

  1. usmc341

    usmc341 Gold Member

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    When turning in a tight circle, I'm hearing a groaning sound. On my Shelby this was normal. The sound was made by the carbon fiber clutches in the diff. Don't know if the HC has the same set up. Anyone know?
     
  2. Dragon

    Dragon Gold Member

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    are you at the steering lock then its the power steering?
     
  3. usmc341

    usmc341 Gold Member

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    No it's rear end
     
  4. usmc341

    usmc341 Gold Member

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    On my Shelby putting friction modifier in the diff stopped it. I'm wondering if the tech forgot to put it in when he assembled it. I'm not sure if it even needs it in these cars but just speculating
     
  5. usmc341

    usmc341 Gold Member

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    Ok here's a new one. As you know i got a new pumpkin installed last week. So I figured the groan while turning could only be the wrong fluid, as the 240 LSD comes with special fluid containing friction modifier. (Thanks NX91Notch!) Well my uneducated guess was right.They refilled with correct fluid and no more groan. Nada. Zilch. I asked the tech and he said the pumpkin comes pre-filled from the factory. So apparently it was Dodge's fault. They filled it with the wrong fluid. A huge WTF. Just when you think you've seen it all.
     
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  6. NX91Notch

    NX91Notch Gold Member

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    ^^^^

    I have seen them shipped both ways....pre filled and empty. Always have to check. But if it was pre filled (which it sounds like it was) this was Dodge's fault from the factory with the new unit.
     
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  7. B5 Blue

    B5 Blue Platinum Member

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    So part # 68232948AA diff oil already contains friction modifier? No more 4 oz bottles of that great smelling stuff needed?
     
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  8. NX91Notch

    NX91Notch Gold Member

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    Correct.

    I think you can still get the little 4 oz bottle of that stinky shit but it is being phased out. But with that part number there it is already built into the fluid. No need for anymore.
     
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  9. B5 Blue

    B5 Blue Platinum Member

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    Thanx NX noted!
     
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  10. jph129

    jph129 Senior Hellcat Member

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