You need to replace the water pump. It is likely the pulley came off because the water pump bearing failed and siezed.
Remove and replace it.
Fuel pump is in the tank
The water pump on a 2002 Hyundai Accent is replaced by removing the engine accessories, disconnecting the radiator hoses, and unbolting the pump. A new gasket and pump can then be attached.
how to replace window washer pump on 2008 hyundai elantra
you have to remove the belts and water pump pulley the water pump is located behind the timing cover.
The water pump circulates the coolant throughout the engine. When a pump fails on a 1997 Hyundai the coolant will not circulate properly and cause the engine to overheat.
a certified mechanic can do this for $350
Under the back seat
It is under the backseat.
in the gas tank