youre automatic air ride suspension went out it happens to alot of navigators/expeditions that came from the factory with rear air ride shocks
On a ( 2000 ) Lincoln Navigator the rear window defroster switch is located in the dash below the headlight switch
The 2007 Lincoln Navigator has 39.1 in. of rear leg room.
The 2008 Lincoln Navigator has 39.7 in. of rear head room.
The 2001 Lincoln Navigator has 39.8 in. of rear head room.
The 2002 Lincoln Navigator has 64.4 in. of rear shoulder room.
The 2005 Lincoln Navigator has 39.7 in. of rear head room.
The 2011 Lincoln Navigator has 63.7 in. of rear shoulder room.
The 2012 Lincoln Navigator has 39.1 in. of rear leg room.
The 2012 Lincoln Navigator has 63.7 in. of rear shoulder room.
The 2001 Lincoln Navigator has 64.4 in. of rear shoulder room.
The 2014 Lincoln Navigator has 63.7 in. of rear shoulder room.
The 2005 Lincoln Navigator has 38.7 in. of rear leg room.