There should be a drain plug on the bottom of the radiator, I believe the plug is white.
The 2003 Hyundai Sonata has 16 valves.
The 2003 Hyundai Sonata is a gas-powered vehicle.
The 2003 Hyundai Sonata has an inline 4 engine.
The 2003 Hyundai Sonata has a 5-speed manual.
On a 2003 Hyundai Sonata, the radiator drain is typically located at the bottom of the radiator on the driver's side. It is a small petcock or drain valve that can be turned to release coolant. Ensure the engine is cool before attempting to drain the radiator to avoid burns or injury. Always have a container ready to catch the coolant when you open the drain.
The height of the 2003 Hyundai Sonata is 4 ft. 8 in. (56 in.).
The 2003 Hyundai Sonata has double overhead cam (DOHC).
The 2003 Hyundai Sonata runs on regular unleaded.
The 2003 Hyundai Sonata is 15 ft. 6.9 in. (186.9 in.) long.
The curb weight of the 2003 Hyundai Sonata is 3181 lbs..
The 2003 Hyundai Sonata's turning circle is 34.4 ft..
You cannot use the 2004 Hyundai Sonata body parts on a 2003 Hyundai Sonata.