How do you replace the timing belt on a 2002 Mazda Protege 5?

To replace the timing belt on a 2002 Mazda Protege 5, first ensure the engine is cool and disconnect the battery. Remove the necessary components, such as the accessory belts, crankshaft pulley, and timing belt covers to access the timing belt. Align the timing marks on the crankshaft and camshaft, then remove the old belt and install the new one, making sure it is properly tensioned. Finally, reassemble all removed parts, double-check alignment, and reconnect the battery.