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Jerking when turning sharply

Discussion in 'GM Powertrain' started by darwin-t, Dec 31, 2012.

  1. darwin-t

    darwin-t New Member

    I have a '95 S10 with 4WD.

    I used 4WD for a couple of days on snow covered streets, put maybe 20 miles on it. I briefly switched into 4WD LOW, too, just to see if it worked

    I noticed that when I turn sharply and move slowly (like when I'm getting into or out of a parking space) I feel a substantial jerking motion. At first I thought my front wheels weren't pointing in the same direction, but they look fine.

    Now I suspect that one back wheel is sliding momentarily as it turns.

    I have it in 2WD now and it's still doing it.

    Any idea what it is?

    Thanks
     
  2. a.graham52

    a.graham52 Rockstar 100 Posts

    is it dry or clean pavement? not slippery in anyway? under normal circumstances a 4wd vehicle will bind up when making turns on dry pavement in 4wd. gm calls it "crow-hop" and is normal 99% of the time. however doing it in 2wd... if your front axle is still engaged (left and right axle shafts) it will still cause that hop.
     

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