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1999 F350 4x4

Discussion in 'Ford Trucks' started by Brickworks, Aug 23, 2009.

  1. Brickworks

    Brickworks Junior Member
    Messages: 5

    This is my first 4x4. How can i check to make sure that the 4 wheel drive is working properly. Ive locked the hubs drove it around etc. just a lil worried about it and dont no how to check it. thnks
  2. FordFisherman

    FordFisherman PlowSite.com Addict
    from 06611
    Messages: 1,613

    First, dont' put it in 4x4 on dry pavement. Take it off road somewhere and drive in 2 wheel, then engage the 4x4; you will be able to "feel" it vs. driving in 2 wheel. Listen for any odd clunks or chatter in the drivetrain. How many miles and have you done any fluid changes?
  3. KJ Cramer

    KJ Cramer Senior Member
    Messages: 481

    Like the above stated, don't drive on dry pavement with it locked in, it causes axle wrap. To test take it out on a gravel road or loose suface somewhere, lock it in, romp on the gas a little and see if all four wheels spin or at the very least you should launch forward alot quicker than just in 2 wheel drive on the same surface.
  4. MickiRig1

    MickiRig1 PlowSite Veteran
    Messages: 3,617

    Just a healthy up hill grade on grass is a good test. Try it in 2 wheel roll back to same starting place and try 4X4. You will notice little wheel spin and a smooth launch into forward motion. No grade to climb? Wet the grass down with a hose and do the test.
    Tight turns you will get wheel hop in 4X4. If you try the loose gravel / dirt test. Remember you may have only one wheel on each axle show's traction. This is because the wheel with the least traction gets the most power. This is because of open axles that are not locked or limited slip. When you use 4x4 as much as we do you will notice when it's not working. Sometimes TOO LATE.!