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The 2003 Hyundai Elantra has double overhead cam (DOHC).
It Uses R134 refridgerant.
Automatic - Hyundai SP3/SP4 Manual - SAE 75W/90
approx. 1.5-2.0 lbs. of R134a type refridgerant
The 2007 Hyundai Elantra has double overhead cam (DOHC).
The 2002 Hyundai Elantra has double overhead cam (DOHC).
The 2006 Hyundai Elantra has double overhead cam (DOHC).
The 2011 Hyundai Elantra has double overhead cam (DOHC).
The 2013 Hyundai Elantra has double overhead cam (DOHC).
The 2012 Hyundai Elantra has double overhead cam (DOHC).
The 2008 Hyundai Elantra has double overhead cam (DOHC).
The 2014 Hyundai Elantra has double overhead cam (DOHC).