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Knock,Knock,Knock,Knock

Discussion in '1969-1972 K5 Blazer | Truck | Suburban' started by ChevyDrivnRdneck, Dec 1, 2002.

  1. ChevyDrivnRdneck

    ChevyDrivnRdneck 1/2 ton status

    Joined:
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    Location:
    Modesto, Ca
    Only when I put my 71 K20 in 4wd does it make that noise from the front, my guess is front u-joints.......any other reasons for the light knock, it speeds up and slows down with the truck. /forums/images/graemlins/truck.gif /forums/images/graemlins/usaflag.gif
     
  2. RingMaster4x4

    RingMaster4x4 1/2 ton status Premium Member

    Joined:
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    Location:
    Bartlett, Texas
    My front CV-joint knocks.Have you checked your CV-joint up front?
     

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