The water pump on a 2000 Hyundai Sonata is driven by the timing belt.
Not sure what year your Sonata is but for an example the 2008 Hyundai Sonata Limited 2.4 L 4 or 3.3 L 6 cylinder engine doesn't use a timing belt.
Belt
Belt
Belt
Actually a TIMING CHAIN ( 2006 and newer 4 cylinder Hyundai 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.
In a 2006 Hyundai Sonata : The 2.4 litre four cylinder engine has a ( timing CHAIN )
It must be a timing CHAIN , because the Gates website ( they make timing belts etc . ) does not list a timing belt for the 3.3 liter V6 in a 2006 Hyundai Sonata
It must be a timing CHAIN because Gates ( they make timing belts etc. ) doesn't list a timing belt for the 3.3 liter V6 engine in a 2007 Hyundai Sonata
The 2.4 liter four cylinder engine in a 2007 Hyundai Sonata must have a timing CHAIN ( the Gates website , they make timing belts etcetera , does not list a timing belt for it )
4 cyl 2006 sonata has a chain