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Four wheel drive question

Discussion in '2nd Gen. Tacomas (2005-2015)' started by rockinray, Apr 23, 2015.

  1. Apr 23, 2015 at 6:34 AM
    #1
    rockinray

    rockinray [OP] Well-Known Member

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    Just a question about four wheel drive. On my 09 Taco (2.7L SR5), when in four wheel drive (does not matter if Hi or Lo) when I am going slow and turn my wheels such as turning around or parking. It seems like the wheels are not turning free like the brakes are being applied and the truck does not want to move. Once the wheels are straightened out, it seems to correct itself. Is this normal or has anyone had this happen? It has always done this since it was new.

    I had a 1989 Toyota Xtra Cab and I don't recall if it did this type of thing or not but I would have to say no as there was no such thing as ABS and Traction control and stuff back then.
     
  2. Apr 23, 2015 at 6:36 AM
    #2
    TacomaMike37

    TacomaMike37 Well-Known Member

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    It's normal, and its not a good thing. Its your truck telling you to stop doing that.

    If the pavement is dry make sure you are only traveling straight.

    On sand, snow, wet roads, you can make turns as the system will not buckle up.

    Its tough on the 4X4 components when you are turning on dry pavement.
     
  3. Apr 23, 2015 at 6:42 AM
    #3
    Base Camp

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    This.
     
  4. Apr 23, 2015 at 7:11 AM
    #4
    DVexile

    DVexile Exiled to the East

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    What those guys said above. Stop doing that, you are hurting the transfer case and other parts of the drive train.

    You have what is called "part time 4WD" meaning that it is only meant to be used on low traction surfaces (dirt, gravel, snow, etc). The front and rear axles (really the differential pinion gears) must turn exactly the same number of times when in 4WD. When turning this is not true. On low traction surfaces the wheels slip a little to make up the difference. On pavement they don't and you apply lots of tension to parts not designed for it. The problem is the transfer case is forcing the front and rear to the same number of revolutions but the geometry of turning a vehicle violates that. Something has to give.

    In 2WD of course the front diff/axle isn't connected and can do whatever it wants.

    Some vehicles have "full time 4WD" or "all wheel drive (AWD)" and these are meant to be used on pavement as the front and rear can turn independently even in 4WD. You don't have that on your Tacoma.
     
    Last edited: Apr 23, 2015
  5. Apr 23, 2015 at 7:19 AM
    #5
    File IFR

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    Repeated abuse of binding could land you at the nearest transmission shop... with a ligher wallet.

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