1984 toyota pickup 4×4 trouble?

Everything was running good, 4 wheel drive was working great. Got home, pulled the truck into the garage and parked it. Went out about 12 hours later, still in 4×4 and I could hear a noise what seems to be coming from Passenger side area. I drove this way for a few blocks and would not go away, so I kicked it out of 4×4 (manual) and sound went away. 4×4 works well, just this loud noise coming from it when engaged. Any idea what this noise could be. It also gets worse the faster I am traveling.

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2 Responses to 1984 toyota pickup 4×4 trouble?

  1. jack k November 20, 2010 at 12:51 pm #

    check fluid in transfer case first, and then probably replace with a rebuilt unit.Sorry for the short answer, but it could be one or any of several things that aren’t to easy to explain.

  2. loonatic72 November 20, 2010 at 12:51 pm #

    the hub or bearing is shot in that wheel