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92 chevy vibrations in 4 hi?

Discussion in 'Chevy Trucks' started by the new boss 92, Jan 20, 2009.

  1. the new boss 92

    the new boss 92 2000 Club Member
    Messages: 2,989

    it only does it in 4 hi and i was wondering if it could be the front drive shaft or u-joints? what do you guys think?
  2. ahoron

    ahoron Senior Member
    from here
    Messages: 422

    Front driveshaft u-joints would be first thing I'd check. Does it do it at all speeds?
  3. scooled101

    scooled101 Senior Member
    from midwest
    Messages: 112

    well first how fast are you going in 4 hi?? is it vibrating in the wheel? its probably transfer case problem we have had this issue all to many times
    Last edited: Jan 20, 2009
  4. 2COR517

    2COR517 PlowSite Fanatic
    Messages: 7,115

    I just put new u-joints in the front shaft. Smooth as silk now. Save yourself some aggravation and do them all while you have the shaft out. They're cheap, and half the labor is getting the shaft out.
  5. the new boss 92

    the new boss 92 2000 Club Member
    Messages: 2,989

    no it vibrates through the floor. it does it going about 25-35 only when coasting and little throttle.
  6. CityGuy

    CityGuy PlowSite Fanatic
    Messages: 17,220

    sounds like u joints to me
  7. Lencodude

    Lencodude Senior Member
    Messages: 128

    Sound like the front U joints, also did you put it in 2 wd and see it you get the same vibration.