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Broken 241 extension housing

Discussion in 'The Garage' started by 1979jimmy350, Dec 22, 2005.

  1. 1979jimmy350

    1979jimmy350 1/2 ton status

    Mar 24, 2004
    Likes Received:
    Ann Arbor Mi
    What would cause the extension housing to crack off a 241 transfers case? My buddy just changed the ujoints in his 91 because the rear ones failed after he changed them he drove it around the block and a bunch of noise came from the drive line and when he reomved the drive shaft the extension housing came off with it. I just don't want to put every thing back together for him and have it happen again. Luckly i had a extra extensionhouseing from a 233 transfer case i was suprised that they fit and were even the same gm part number
  2. btolenti

    btolenti 1/2 ton status

    Sep 28, 2003
    Likes Received:
    Gilroy, CA
    It sounds like when the u-joint initially went bad it might vibrated enough to crack the extension housing. It eventually failed after some use (coincidentally after the u-joints were changed)????

    Apparently this is common???


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