I try to put it in 2 hi but it will iick outbof gear and does the same thing in 4 low.my dash said service transfercase once but no codes.Is it supposed to run in the 4 wheel automatic mode? If not what would be the problem?
2004 chevy z71 my truck wants to run in auto 4wheelndrive all the time! on 2004 Chevrolet Silverado 1500
4x4 system can be scan tested with a full function scanner! Have a mechanic check it for codes and actual functions with such scanner. Too many possibilities to gess at it.