How do you change water pump on Toyota solara?

To change the water pump on a Toyota Solara, start by disconnecting the negative battery terminal and draining the coolant. Remove any components obstructing access to the water pump, including the serpentine belt and possibly the timing cover, depending on the engine model. Unbolt the old water pump, clean the mounting surface, and then install the new pump with a new gasket. Reassemble by reversing the disassembly steps, refill the coolant, and check for leaks.