Timing BELT because I have changed once and mine was a 2003 so I am sure it is since I haven't heard of a timing chain car in Hyundai.
The 2002 Sonata has a timing belt. Timing chains were not introduced until 2006 Sonata.
No a 2002 Hyundai Sonata does not have two timing belts. There is only one timing belt in the car. The timing belt replacement kit will include another belt but it is the balance shaft belt not a second timing belt.
The 2002 Hyundai Sonata has 16 valves.
The 2002 Hyundai Sonata has an inline 4 engine.
The 2002 Hyundai Sonata has a 5-speed manual.
The 2002 Hyundai Sonata is a gas-powered vehicle.
Yes , the 2.4 liter 4 cylinder in a 2002 Hyundai Sonata is an interference engine ( according to the Gates website - they make timing belts etc . )
The 2002 Hyundai Sonata has double overhead cam (DOHC).
The 2002 Hyundai Sonata runs on regular unleaded.
The height of the 2002 Hyundai Sonata is 4 ft. 7.5 in. (55.5 in.).
The 2002 Hyundai Sonata is 15 ft. 5.4 in. (185.4 in.) long.
The 2002 Hyundai Sonata's turning circle is 34.4 ft..