How do you change water pump and timing belt and tensioner on 1998 Matiz SE Plus?

To change the water pump and timing belt on a 1998 Matiz SE Plus, start by disconnecting the battery and removing the engine cover. Drain the coolant, then remove the timing belt cover and the old timing belt, noting the belt routing. Replace the water pump by removing its bolts, cleaning the mounting surface, and installing the new pump with a new gasket. Finally, install the new timing belt and tensioner, ensuring proper tension and alignment before reassembling the components and refilling the coolant.