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1G Cracked coupler (t-case)

Posted by SharonTampons, Mar 17, 2019

  1. No not neva’

    100.0%
  2. Send it

    0 vote(s)
    0.0%
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  1. SharonTampons

    SharonTampons Proven Member

    33
    1
    Joined Nov 15, 2005
    orlando, Florida
    Noticed this after disassembling what I thought was a healthy transfer case. Is this a common defect?

    Location: t-case input coupler.
     

    Attached Files:

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  2. bastarddsm

    bastarddsm Supporting Vendor

    4,324
    908
    Joined Aug 26, 2003
    Mendota, Illinois
    Holy how in the f***. A+ for effort. Swap the coupler check pattern and preload, run it.
     

    Showcar Build 4K  1

    1991 Eagle Talon N/T
    9.805 @ 144.00 · 1G DSM
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  3. pauleyman

    pauleyman DSM Wiseman

    4,949
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    Joined Nov 19, 2011
    oklahoma city, Oklahoma
    Is this serious? Hell no dont run that
     

    Street Build 2K  1

    1997 Eagle Talon TSi AWD
    awd · manual · 2G DSM
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  4. ThunderChild

    ThunderChild Previously tametalon92

    1,705
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    Joined Jan 5, 2012
    Rathdrum, Idaho
    Dang. I feel like shock loading with alot of driveshaft or rear end slip would be a factor? But I'm not well versed in diag for things like that.

    Not having a t-case apart personally, is there a separate piece (coupler) from the crown/ring gear?
     

    Street Build 294  7

    1997 Mitsubishi Eclipse Spyder GST
    fwd · manual · 2G DSM

    Street Build 541  1

    1992 Eagle Talon TSi AWD
    manual · 1G DSM

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  5. SharonTampons

    SharonTampons Proven Member

    33
    1
    Joined Nov 15, 2005
    orlando, Florida
    LOL the poll was just for fun.

    I’m more curious if anyone has seen this type of failure before. Particularly on a t-case with “OK” spline wear and no slop in the bearings/shafts. I had it on a shelf forever thinking it was a good spare using traditional inspection methods.
     
  6. ThunderChild

    ThunderChild Previously tametalon92

    1,705
    378
    Joined Jan 5, 2012
    Rathdrum, Idaho
    Personally I wouldnt run that, it's just begging to break under a decent load.

    I can't think of anything past what I mentioned before, maybe @bastarddsm or @twicks69 would have a more detailed idea?
     

    Street Build 294  7

    1997 Mitsubishi Eclipse Spyder GST
    fwd · manual · 2G DSM

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    1992 Eagle Talon TSi AWD
    manual · 1G DSM

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    1992 Eagle Talon TSi AWD
    awd · manual · 1G DSM
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  7. twicks69

    twicks69 DSM Wiseman

    3,176
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    Joined Mar 12, 2004
    Milwaukee, Wisconsin
    toss it.
     

    Drag Race Build 6K  10  76

    1999 Mitsubishi Eclipse GSX
    9.499 @ 155.00 · 2G DSM
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