4x4 won't engage

Discussion in 'GM Powertrain' started by 4x4troy, Aug 21, 2012.

  1. 4x4troy

    4x4troy New Member

    my front 4x4 is not working. what do i need to check?...first chevy 4x4. its a 95 suburban with manual tcase.
  2. rileyjr16

    rileyjr16 Epic Member 5+ Years 1000 Posts

    The acutator motor that locks up the front wheels probably has gone out unless its more serious than that.

    4x4 Hi and Lo will not engage? Does the indicator light up on the floor mounted shifter?
  3. 4x4troy

    4x4troy New Member

    no it does not. just aways shows 2wd.
  4. Pikey

    Pikey Moderator Staff Member 5+ Years ROTM Winner 5000 Posts

    I agree with riley, check out the front actuator. It just screws into the front diff. Unscrew it and then with the key on put in 4 wheel drive, see if it moves out, if the rod does not move then most likely that is your issue. If that is the issue, check out posi-lok http://www.4x4posi-lok.com/app_chevy-k.html . You will never have the issue again. I had one in my 95 and loved it.
  5. 4x4troy

    4x4troy New Member

    thanks going to look into that

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