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Humming in 4wd

Discussion in 'Ford Trucks' started by LINY Rob, Dec 29, 2004.

  1. LINY Rob

    LINY Rob Senior Member
    Messages: 478

    First time I got to drive the truck in the snow, I seem to get a slight vibration and humming in 4wd.

    still have a warranty from the place I bought the truck from, I was going to check the fluid in the transfer case as well as the u-joints and all the mounts
    before I bother to bring it back to them.

    I grabbed the front driveshaft and I get about 1/2-3/4" of play in it, is that normal?
     
    Last edited: Dec 29, 2004
  2. LINY Rob

    LINY Rob Senior Member
    Messages: 478

    front pinion bearing, the driveshaft was moving up and down as well.

    didnt notice the up and down movement of the driveshaft until today when I crawled under there for one last look before I dropped it off.

    even though I wouldnt have to pay for the repair im glad it wasnt a transfer case.
     
  3. LINY Rob

    LINY Rob Senior Member
    Messages: 478

    turns out it was just a crush collar or seal or whatever they called it
     
  4. avalancheplow

    avalancheplow Senior Member
    Messages: 265

    Mine does the same thing. Good thing I still have a warranty.