The Explorer was introduced in 1991. There is no 1989 model.
The 2011 Ford Explorer has a 6-speed automatic.
The 2003 Ford Explorer has a 5-speed automatic.
The 2002 Ford Explorer has a 5-speed manual.
The 2004 Ford Explorer has a 5-speed automatic.
The 2010 Ford Explorer has a 5-speed automatic.
The 2009 Ford Explorer has a 5-speed automatic.
The 2005 Ford Explorer has a 5-speed automatic.
The 2008 Ford Explorer has a 5-speed automatic.
The 2007 Ford Explorer has a 5-speed automatic.
The 2001 Ford Explorer has a 5-speed automatic.
A 1998 Ford Explorer uses refrigerant 134a
The 2012 Ford Explorer has a 6-speed shiftable automatic.