torque steer

Discussion in 'General Chevy & GM Tech Questions' started by hbfsbull, Jan 2, 2010.

  1. hbfsbull

    hbfsbull Member

    i noticed that when my truck is in auto 4wd and i accelarate hard the steering wheel pulls from left to right . any ideas on what causes this or how to fix it
  2. tbplus10

    tbplus10 Epic Member Staff Member 5+ Years 5000 Posts Platinum Contributor

    Sounds like traction control, or lack of traction control.
    I'd be more worried if it only pulled to one side.
  3. MrShorty

    MrShorty Epic Member 5+ Years 1000 Posts

    I'd have to find the page I copied from Mitchell to get specifics. In 4A, it uses a feature they call "torque anticipation." Under hard acceleration from a stop, it "anticipates" the possibility of the wheels slipping, and sends power to the front. The "jerking" your feeling could be from the front wheels slipping (are they spinning when it does this?). If you have traction control, that could also be contributing, as the brakes are applied to control the front spinning. All of these explanations depend on the conditions being right for the front end to spin. Mine doesn't do anything funny if the front wheels don't spin.

    Does it do it in 4H or only in 4A?
  4. vncj96

    vncj96 Epic Member 5+ Years 1000 Posts

    every truck will do this just like a front wheel drive car will if you are mashing it in 4wd, you shouldnt be accelerating that hard in 4wd anyway, it will fail quicker especially when using 4wd auto, you are essentially binding it up as the tires are momentarily spinning and then the computer is engaging the 4wd.
  5. hbfsbull

    hbfsbull Member

    it doesnt seem to be as bad in 4h . Im not mashing it just about quarter throttle . if its on snow and the wheels can slip it doesnt do it just on pavement when the wheels have traction

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