If they are the original ball joints they can't be lubed.
yes
The 2012 Nissan Xterra has rear wheel drive.
The 2013 Nissan Xterra has rear wheel drive.
The 2009 Nissan Xterra has rear wheel drive.
The 2006 Nissan Xterra has rear wheel drive.
The 2003 Nissan Xterra has rear wheel drive.
The 2011 Nissan Xterra has rear wheel drive.
The 2002 Nissan Xterra has rear wheel drive.
The 2005 Nissan Xterra has rear wheel drive.
The 2014 Nissan Xterra has rear wheel drive.
The 2004 Nissan Xterra has rear wheel drive.
The 2007 Nissan Xterra has rear wheel drive.