Yes should be changed on all automatics
Bring to a shop that has the equiment to fully pump out the transmission and torque converter and re-fill system
The 2014 Buick Regal has a 6-speed automatic.
The 2004 Buick Regal has a 4-speed automatic.
The 2006 Buick LaCrosse has a 4-speed automatic.
The 2002 Buick Regal has a 4-speed automatic.
The 2005 Buick LaCrosse has a 4-speed automatic.
The 2009 Buick LaCrosse has a 4-speed automatic.
The 2001 Buick Regal has a 4-speed automatic.
The 2007 Buick LaCrosse has a 4-speed automatic.
The 2008 Buick LaCrosse has a 4-speed automatic.
The 2003 Buick Regal has a 4-speed automatic.
The 2013 Buick Verano has a 6-speed shiftable automatic.