There are two screws attaching the assembly. The first is at the top just inside the corner edge of the hood area. The other one is located between the gap of the parking lamp and the turn signal. Use a screwdriver with a slender shaft.
Viscuous coupling in the transfer case could be going bad.
The 2011 Jeep Grand-Cherokee has 58.6 in. of front shoulder room.
The 2004 Jeep Grand-Cherokee has 39.7 in. of front head room.
The 2004 Jeep Grand-Cherokee has 56.5 in. of front hip room.
The 2004 Jeep Grand-Cherokee has 41.7 in. of front leg room.
Viscuous coupling in the transfer case could be going bad.
The front axle is not disengaged OR the front u-joints are starting to fail.
The 2009 Jeep Grand-Cherokee has 59.1 in. of front shoulder room.
The 2002 Jeep Grand-Cherokee has 56.5 in. of front hip room.
The 2011 Jeep Grand-Cherokee has 58.6 in. of front shoulder room.
The 2012 Jeep Grand-Cherokee has 39.9 in. of front head room.
The 2013 Jeep Grand-Cherokee has 57.0 in. of front hip room.
The 2004 Jeep Grand-Cherokee has 39.7 in. of front head room.
The 2007 Jeep Grand-Cherokee has 57.1 in. of front hip room.
The 2013 Jeep Grand-Cherokee has 39.9 in. of front head room.
The 2009 Jeep Grand-Cherokee has 41.7 in. of front leg room.
The 2011 Jeep Grand-Cherokee has 57.0 in. of front hip room.