The grill if I recall correctly is one unit. What I mean by one unit is that the grill housing goes around the headlights / around the whole front of the vehicle. I have a 1998 Ford Expedition XLT. I ended up cutting my grill out of the housing and installing an aftermarket one in its place.
front driver's side, under the grill to the right
Drive into a tree it should come off
9mm hex key front and 7mm rear
When you open the hood you should see these four bolts where the grill is.
The 2004 Ford Expedition has 63.4 in. of front shoulder room.
The 2002 Ford Expedition has 41.1 in. of front leg room.
The 2005 Ford Expedition has 41.2 in. of front leg room.
The 2007 Ford Expedition has 60.2 in. of front hip room.
The 2014 Ford Expedition has 60.2 in. of front hip room.
The 2006 Ford Expedition has 39.7 in. of front head room.
The 2005 Ford Expedition has 63.0 in. of front hip room.