2002-2005 Escalade 5.3L. 2002-2006 Escalade 6.0L. 2002-2006 Escalade EXT 6.0L. 2003-2006 Escalade ESV 6.0L. 2002-2006 Avalanche 1500 5.3L. 2002-2006 Avalanche 2500 8.1L. For Cadillac Remove the old coolant reservoir by disconnecting any attached hoses and fasteners.
