it is located on the driver side firewall, it is the black round thing that the brake master cylinder is connected to (where you check the brake fluid level)
The 2009 Hyundai Sonata has double overhead cam (DOHC).
The 2005 Hyundai Sonata has double overhead cam (DOHC).
The 2002 Hyundai Elantra has double overhead cam (DOHC).
The 2010 Hyundai Accent has double overhead cam (DOHC).
The 2007 Hyundai Elantra has double overhead cam (DOHC).
The 2014 Hyundai Equus has double overhead cam (DOHC).
The 2006 Hyundai Elantra has double overhead cam (DOHC).
The 2012 Hyundai Veloster has double overhead cam (DOHC).
The 2013 Hyundai Equus has double overhead cam (DOHC).
The 2003 Hyundai Sonata has double overhead cam (DOHC).
The 2011 Hyundai Accent has double overhead cam (DOHC).
The 2007 Hyundai Azera has double overhead cam (DOHC).