On a 5.9L the thermostat is under the housing that the upper radiator hose hooks to on the engine.
Amor descarado - 2003 Herida 1-59 was released on: USA: 27 November 2003
Jimmy Kimmel Live - 2003 1-59 was released on: USA: 8 April 2003
Jimmy Kimmel Live - 2003 2-59 was released on: USA: 29 October 2003
Code Lyoko - 2003 The Secret 3-59 was released on: USA: 13 October 2006
Jimmy Kimmel Live - 2003 11-59 was released on: USA: 16 October 2013
Jimmy Kimmel Live - 2003 3-59 was released on: USA: 18 March 2004
Jimmy Kimmel Live - 2003 4-59 was released on: USA: 22 June 2005
Jimmy Kimmel Live - 2003 5-59 was released on: USA: 28 September 2007
Jimmy Kimmel Live - 2003 6-59 was released on: USA: 18 April 2008
Jimmy Kimmel Live - 2003 8-59 was released on: USA: 4 December 2009
Jeopardy - 1984 20-59 was released on: USA: 27 November 2003
Jimmy Kimmel Live - 2003 9-59 was released on: USA: 5 January 2011 USA: 5 January 2011